{"title":"Spark Plugs \u0026 Ignition Harnesses","description":"\u003cp\u003eAircraft spark plugs and ignition harness for piston engines. The collection holds Champion and Tempest plugs in massive-electrode and fine-wire versions, shielded types such as RHM38E and REM40E, NGK DCPR8E plugs with removable or solid terminal nut, and the Champion M4012R complete ignition harness.\u003c\/p\u003e\u003cp\u003ePlugs are listed by part number. Match the number to the engine manufacturer's approved plug list before ordering, and note the thread and shielding type of your engine.\u003c\/p\u003e","products":[{"product_id":"dcpr8e","title":"NGK DCPR8E Spark Plug, Solid Terminal Nut","description":"\u003cp\u003eNGK DCPR8E with NGK stock number 4179 is the resistor spark plug of type DCPR8E with a solid, non-removable terminal nut. The same plug type is also supplied with a removable terminal nut under stock number 4339.\u003c\/p\u003e\u003cp\u003eThe spark plug type for an engine follows the engine manufacturer’s current documentation; Rotax does not allow mixing spark plug types on one engine. Fit depends on the engine type and serial number.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":58182674612555,"sku":"4179","price":231.4,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/4179.jpg?v=1791630317"},{"product_id":"dcpr8e-1","title":"NGK DCPR8E Spark Plug, Removable Terminal Nut","description":"\u003cp\u003eNGK DCPR8E with NGK stock number 4339 is the resistor spark plug of type DCPR8E with a removable terminal nut, a 12 mm thread, a 16 mm hex, heat range 8 and a 0.7 mm (0.028 in) gap. The same plug type is also supplied with a solid, non-removable terminal nut under stock number 4179.\u003c\/p\u003e\u003cp\u003eThe spark plug type for an engine follows the engine manufacturer’s current documentation; Rotax does not allow mixing spark plug types on one engine. Fit depends on the engine type and serial number.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":58182687686987,"sku":"4339","price":231.4,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/112-4339.jpg?v=1791814572"},{"product_id":"champion-m4012r","title":"Champion M4012R Complete Ignition Harness, Red","description":"\u003ch2\u003eChampion M4012R\u003c\/h2\u003e\u003cp\u003ecomplete red Champion ignition harness — Part number M4012R.\u003c\/p\u003e\u003ch3\u003eHighlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ecomplete red Champion ignition harness\u003c\/li\u003e\n\u003cli\u003eExact identity: Champion M4012R\u003c\/li\u003e\n\u003cli\u003ePart number: M4012R\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExact identity\u003c\/h3\u003e\u003cp\u003eChampion M4012R — M4012R.\u003c\/p\u003e\u003ch3\u003ePurpose and selection\u003c\/h3\u003e\u003cp\u003ecomplete red Champion ignition harness\u003c\/p\u003e\u003ch3\u003eCompatibility and installation\u003c\/h3\u003e\u003cp\u003eVerify the exact part number, aircraft or equipment eligibility, approved installation data, connector and required interfaces before ordering.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187308269899,"sku":"M4012R","price":18807.6,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/017-M4012R.jpg?v=1792162025"},{"product_id":"reb37e","title":"Champion REB37E Massive-Electrode Spark Plug","description":"\u003cp\u003eChampion REB37E is an aviation spark plug with a two-electrode massive design and nickel-alloy electrodes, an 18 mm mounting thread, 13\/16 in (20.6 mm) reach and a 5\/8-24 harness thread (shielded). Its heat rating is 37 on the Champion scale, on which lower numbers denote colder plugs. The plug has a built-in resistor and a 7\/8 in hex; Champion Aerospace lists an electrode gap of 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eChampion’s application guide AV-14 lists the REB37E for Pratt \u0026amp; Whitney R-1830, R-2000, R-2800 and R-4360 radial engines, the Allison V-1710, the PZL ASz-621R and long-reach Lycoming installations such as the IO-320-C\/-F, TIO-360-A\/-B and TIO-540 series, among others. Champion bases these listings on FAA-approved data and notes that later service bulletins can change them; the plug list approved by the engine manufacturer decides. Fit depends on the engine model.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187414208843,"sku":"REB37E","price":927.9,"currency_code":"CZK","in_stock":true}]},{"product_id":"rel37b","title":"Champion REL37B Shielded Spark Plug","description":"\u003ch2\u003eChampion REL37B\u003c\/h2\u003e\u003cp\u003eChampion shielded aviation spark plug — Part number REL37B.\u003c\/p\u003e\u003ch3\u003eHighlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChampion shielded aviation spark plug\u003c\/li\u003e\n\u003cli\u003eExact identity: Champion REL37B\u003c\/li\u003e\n\u003cli\u003ePart number: REL37B\u003c\/li\u003e\n\u003cli\u003e14 mm thread, 1\/2 in reach, 5\/8-24 shielding thread, twin standard electrode, specified gap 0.016–0.021 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExact identity\u003c\/h3\u003e\u003cp\u003eChampion REL37B — REL37B.\u003c\/p\u003e\u003ch3\u003ePurpose and selection\u003c\/h3\u003e\u003cp\u003eChampion shielded aviation spark plug\u003c\/p\u003e\u003ch3\u003eCompatibility and installation\u003c\/h3\u003e\u003cp\u003eVerify the exact part number, aircraft or equipment eligibility, approved installation data, connector and required interfaces before ordering.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187414438219,"sku":"REL37B","price":2320.7,"currency_code":"CZK","in_stock":true}]},{"product_id":"rem37by","title":"Champion REM37BY Shielded Aviation Spark Plug","description":"\u003cp\u003eChampion REM37BY — shielded massive-electrode aviation spark plug. Projected-core plug; select only for an engine explicitly approved for REM37BY.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e REM37BY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e shielded massive-electrode aviation spark plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engine-specific; verify Champion application guide and engine data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproval:\u003c\/strong\u003e FAA-approved application data required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore ordering or installation\u003c\/h3\u003e\u003cp\u003eMatch the exact part number and revision to the headset, engine, aircraft or avionics system and follow current approved manufacturer data.\u003c\/p\u003e\u003cp\u003eOne Champion REM37BY; no parent device, cable or installation hardware unless explicitly listed.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187414536523,"sku":"REM37BY","price":927.9,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/REM37BY.jpg?v=1791632151"},{"product_id":"rem38e","title":"Champion REM38E Massive-Electrode Spark Plug","description":"\u003cp\u003eChampion REM38E is an aviation spark plug with a two-electrode massive design and nickel-alloy electrodes, an 18 mm mounting thread, 1\/2 in (12.7 mm) reach and a 5\/8-24 harness thread (shielded). Its heat rating is 38 on the Champion scale, on which lower numbers denote colder plugs. The plug has a built-in resistor and a 7\/8 in hex; Champion Aerospace lists an electrode gap of 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eChampion’s application guide AV-14 lists the REM38E for short-reach (1\/2 in) cylinders of Continental IO-240, O-300, IO-360, TSIO-360 and IO-470 series and Lycoming O-340, O-360, O-540 and IO-540 series engines, among others. Champion bases these listings on FAA-approved data and notes that later service bulletins can change them; the plug list approved by the engine manufacturer decides.\u003c\/p\u003e\u003cp\u003eREM38S is the iridium fine-wire counterpart with the same thread, reach and heat rating, and RHM38E the version with a 3\/4-20 shielded thread. Champion's catalogue lists gap-setting and thread clean-out tools and the 18 mm outside gasket as separate items. Fit depends on the engine model.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187414569291,"sku":"REM38E","price":927.9,"currency_code":"CZK","in_stock":true}]},{"product_id":"rem38s","title":"Champion REM38S Fine-Wire Spark Plug","description":"\u003cp\u003eChampion REM38S is an aviation spark plug with a single iridium fine-wire centre electrode (Champion Iridium “S” type), an 18 mm mounting thread, 1\/2 in reach and a 5\/8-24 harness thread (shielded). Its heat rating is 38 on the Champion scale, on which lower numbers denote colder plugs. The plug has a built-in resistor and a 7\/8 in hex; Champion Aerospace lists an electrode gap of 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eChampion’s application guide AV-14 lists the REM38S for short-reach (1\/2 in) cylinders of Continental O-200, O-300, IO-360, TSIO-360 and O-470 series and Lycoming O-235, O-290, O-320, O-360 and O-540 series engines, among others. Champion bases these listings on FAA-approved data and notes that later service bulletins can change them; the plug list approved by the engine manufacturer decides. Champion Technical Bulletin 16-001 and the AV6-R service manual cover rotation for polarity every 100 hours, abrasive cleaning at no more than 60 psi and re-gapping with the CT-457 tool. Fit depends on the engine model.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187414634827,"sku":"REM38S","price":3830.3,"currency_code":"CZK","in_stock":true}]},{"product_id":"rem40e","title":"Champion REM40E Shielded Aviation Spark Plug","description":"\u003ch2\u003eChampion REM40E\u003c\/h2\u003e\u003cp\u003eChampion shielded aviation spark plug — Part number REM40E.\u003c\/p\u003e\u003ch3\u003eHighlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChampion shielded aviation spark plug\u003c\/li\u003e\n\u003cli\u003eExact identity: Champion REM40E\u003c\/li\u003e\n\u003cli\u003ePart number: REM40E\u003c\/li\u003e\n\u003cli\u003e18 mm thread, 1\/2 in reach, 5\/8-24 shielding thread, two-prong standard electrode, specified gap 0.016–0.021 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExact identity\u003c\/h3\u003e\u003cp\u003eChampion REM40E — REM40E.\u003c\/p\u003e\u003ch3\u003ePurpose and selection\u003c\/h3\u003e\u003cp\u003eChampion shielded aviation spark plug\u003c\/p\u003e\u003ch3\u003eCompatibility and installation\u003c\/h3\u003e\u003cp\u003eVerify the exact part number, aircraft or equipment eligibility, approved installation data, connector and required interfaces before ordering.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187414700363,"sku":"REM40E","price":986.3,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/REM40E.jpg?v=1791715381"},{"product_id":"rhb32e","title":"Champion RHB32E Shielded Massive-Electrode Spark Plug","description":"\u003cp\u003eChampion RHB32E — shielded massive-electrode aviation spark plug. 5\/8-24 shielded plug listed for specified high-performance Continental engine applications.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e RHB32E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e shielded massive-electrode aviation spark plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engine-specific; verify Champion application guide and engine data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproval:\u003c\/strong\u003e FAA-approved application data required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore ordering or installation\u003c\/h3\u003e\u003cp\u003eMatch the exact part number and revision to the headset, engine, aircraft or avionics system and follow current approved manufacturer data.\u003c\/p\u003e\u003cp\u003eOne Champion RHB32E; no parent device, cable or installation hardware unless explicitly listed.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187434393931,"sku":"RHB32E","price":927.9,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/RHB32E.jpg?v=1791715383"},{"product_id":"rhb32s","title":"Champion RHB32S Fine-Wire Spark Plug","description":"\u003cp\u003eChampion RHB32S is an aviation spark plug with a single iridium fine-wire centre electrode (Champion Iridium “S” type), an 18 mm mounting thread, 13\/16 in reach and a 3\/4-20 harness thread (shielded, all-weather type). Its heat rating is 32 on the Champion scale, on which lower numbers denote colder plugs. The plug has a built-in resistor and a 7\/8 in hex; Champion Aerospace lists an electrode gap of 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eChampion’s application guide AV-14 lists the RHB32S for long-reach (13\/16 in) cylinders of Continental IO-470, GIO-470, TSIO-470, TSIO-520, IO-550 and TSIO-550 series and Lycoming HIO-360-E, TIVO-540, LTIO-540, TIO-541 and long-reach IO-720 series engines, among others. Champion bases these listings on FAA-approved data and notes that later service bulletins can change them; the plug list approved by the engine manufacturer decides. Champion Technical Bulletin 16-001 and the AV6-R service manual cover rotation for polarity every 100 hours, abrasive cleaning at no more than 60 psi and re-gapping with the CT-457 tool. Fit depends on the engine model.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187434492235,"sku":"RHB32S","price":3830.3,"currency_code":"CZK","in_stock":true}]},{"product_id":"rhb36s","title":"Champion RHB36S Fine-Wire Spark Plug","description":"\u003cp\u003eChampion RHB36S is an aviation spark plug with a single iridium fine-wire centre electrode (Champion Iridium “S” type), an 18 mm mounting thread, 13\/16 in reach and a 3\/4-20 harness thread (shielded, all-weather type). Its heat rating is 36 on the Champion scale, on which lower numbers denote colder plugs. The plug has a built-in resistor and a 7\/8 in hex; Champion Aerospace lists an electrode gap of 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eChampion’s application guide AV-14 lists the RHB36S for long-reach (13\/16 in) cylinders of Continental IO-470, IO-520, GTSIO-520, IO-550 and TSIO-550 series and Lycoming TO-360, TIO-360, TIO-540 and long-reach IO-540 and IO-720 series engines, among others. Champion bases these listings on FAA-approved data and notes that later service bulletins can change them; the plug list approved by the engine manufacturer decides. Champion Technical Bulletin 16-001 and the AV6-R service manual cover rotation for polarity every 100 hours, abrasive cleaning at no more than 60 psi and re-gapping with the CT-457 tool. Fit depends on the engine model.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187434623307,"sku":"RHB36S","price":3830.3,"currency_code":"CZK","in_stock":true}]},{"product_id":"rhb37e","title":"Champion RHB37E Massive-Electrode Spark Plug","description":"\u003cp\u003eChampion RHB37E is an aviation spark plug with a two-electrode massive design and nickel-alloy electrodes, an 18 mm mounting thread, 13\/16 in (20.6 mm) reach and a 3\/4-20 harness thread (shielded, all-weather type). Its heat rating is 37 on the Champion scale, on which lower numbers denote colder plugs. The plug has a built-in resistor and a 7\/8 in hex; Champion Aerospace lists an electrode gap of 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eChampion’s application guide AV-14 lists the RHB37E for Pratt \u0026amp; Whitney R-1830, R-2000, R-2800 and R-4360 radial engines, the Allison V-1710, the PZL ASz-621R and long-reach Lycoming installations such as the IO-320-C\/-F, TIO-360-A\/-B and TIO-540 series, among others. Champion bases these listings on FAA-approved data and notes that later service bulletins can change them; the plug list approved by the engine manufacturer decides. Fit depends on the engine model.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187434656075,"sku":"RHB37E","price":927.9,"currency_code":"CZK","in_stock":true}]},{"product_id":"rhm38e","title":"Champion RHM38E Shielded Aviation Spark Plug","description":"\u003ch2\u003eChampion RHM38E\u003c\/h2\u003e\u003cp\u003eChampion shielded aviation spark plug — Part number RHM38E.\u003c\/p\u003e\u003ch3\u003eHighlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChampion shielded aviation spark plug\u003c\/li\u003e\n\u003cli\u003eExact identity: Champion RHM38E\u003c\/li\u003e\n\u003cli\u003ePart number: RHM38E\u003c\/li\u003e\n\u003cli\u003e18 mm thread, 1\/2 in reach, 3\/4-20 shielding thread, two-prong standard electrode, specified gap 0.016–0.021 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExact identity\u003c\/h3\u003e\u003cp\u003eChampion RHM38E — RHM38E.\u003c\/p\u003e\u003ch3\u003ePurpose and selection\u003c\/h3\u003e\u003cp\u003eChampion shielded aviation spark plug\u003c\/p\u003e\u003ch3\u003eCompatibility and installation\u003c\/h3\u003e\u003cp\u003eVerify the exact part number, aircraft or equipment eligibility, approved installation data, connector and required interfaces before ordering.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187434787147,"sku":"RHM38E","price":927.9,"currency_code":"CZK","in_stock":true}]},{"product_id":"rhm38s","title":"Champion RHM38S Fine-Wire Spark Plug","description":"\u003cp\u003eChampion RHM38S is an aviation spark plug with a single iridium fine-wire centre electrode (Champion Iridium “S” type), an 18 mm mounting thread, 1\/2 in reach and a 3\/4-20 harness thread (shielded, all-weather type). Its heat rating is 38 on the Champion scale, on which lower numbers denote colder plugs. The plug has a built-in resistor and a 7\/8 in hex; Champion Aerospace lists an electrode gap of 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eChampion’s application guide AV-14 lists the RHM38S for short-reach (1\/2 in) cylinders of Continental O-200, O-300, IO-360, TSIO-360 and O-470 series and Lycoming O-235, O-290, O-320, O-360 and O-540 series engines, among others. Champion bases these listings on FAA-approved data and notes that later service bulletins can change them; the plug list approved by the engine manufacturer decides. Champion Technical Bulletin 16-001 and the AV6-R service manual cover rotation for polarity every 100 hours, abrasive cleaning at no more than 60 psi and re-gapping with the CT-457 tool. Fit depends on the engine model.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187434885451,"sku":"RHM38S","price":3830.3,"currency_code":"CZK","in_stock":true}]},{"product_id":"rhm40e","title":"Champion RHM40E Shielded Massive-Electrode Spark Plug","description":"\u003cp\u003eChampion RHM40E — shielded massive-electrode aviation spark plug. 3\/4-20 shielded plug listed for specified Continental engine applications.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e RHM40E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e shielded massive-electrode aviation spark plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engine-specific; verify Champion application guide and engine data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproval:\u003c\/strong\u003e FAA-approved application data required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore ordering or installation\u003c\/h3\u003e\u003cp\u003eMatch the exact part number and revision to the headset, engine, aircraft or avionics system and follow current approved manufacturer data.\u003c\/p\u003e\u003cp\u003eOne Champion RHM40E; no parent device, cable or installation hardware unless explicitly listed.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":58187434918219,"sku":"RHM40E","price":927.9,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/RHM40E.jpg?v=1791632152"},{"product_id":"urem37by","title":"Tempest UREM37BY Massive-Electrode Spark Plug","description":"\u003cp\u003eTempest UREM37BY is an FAA-PMA aviation spark plug with a massive electrode, 18 mm mounting thread, 1\/2 in reach and a 5\/8-24 harness connector thread (3\/4 in wrench on the B-nut). Its heat rating is 37. The centre electrode has a copper core co-extruded inside a nickel-alloy sleeve, and the plug has a high-alumina ceramic insulator, a glass centre seal with integral resistor and a projected gap. It is gapped at the factory to 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the UREM37BY for short-reach cylinders of Continental C-85, C-90, O-200, O-300 and Lycoming O-235, O-290, O-320, IO-320, O-360, IO-360 engines, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is installed with a new copper gasket (Tempest UM-674) and tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477451083,"sku":"UREM37BY","price":967.5,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/UREM37BY.jpg?v=1790632920"},{"product_id":"urem38e","title":"Tempest UREM38E Massive-Electrode Spark Plug","description":"\u003cp\u003eTempest UREM38E is an FAA-PMA aviation spark plug with a massive electrode, 18 mm mounting thread, 1\/2 in reach and a 5\/8-24 harness connector thread (3\/4 in wrench on the B-nut). Its heat rating is 38. The centre electrode has a copper core co-extruded inside a nickel-alloy sleeve, and the plug has a high-alumina ceramic insulator and a glass centre seal with integral resistor. It is gapped at the factory to 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the UREM38E for short-reach cylinders of Continental O-300, IO-360, TSIO-360, Continental Titan and Lycoming O-235, O-290, O-320, IO-320, O-360, IO-360, O-540, IO-540 engines, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is installed with a new copper gasket (Tempest UM-674) and tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477483851,"sku":"UREM38E","price":967.5,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/UREM38E.jpg?v=1790632924"},{"product_id":"urem38s","title":"Tempest UREM38S Fine-Wire Spark Plug","description":"\u003cp\u003eTempest UREM38S is an FAA-PMA aviation spark plug with an iridium fine-wire centre electrode, 18 mm mounting thread, 1\/2 in reach and a 5\/8-24 harness connector thread (3\/4 in wrench on the B-nut). Its heat rating is 38. The plug has a glass centre seal with integral resistor, a high-alumina ceramic insulator and a projected gap, and is gapped at the factory to 0.017–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the UREM38S for short-reach cylinders of Continental O-200, O-300, IO-360 and O-470 series, Continental Titan engines and Lycoming O-235, O-320, O-360, IO-360 and short-reach O-540\/IO-540 series, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477516619,"sku":"UREM38S","price":4045.1,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/UREM38S.jpg?v=1790632927"},{"product_id":"urem40e","title":"Tempest UREM40E Massive-Electrode Spark Plug","description":"\u003cp\u003eTempest UREM40E is an FAA-PMA aviation spark plug with a massive electrode, 18 mm mounting thread, 1\/2 in reach and a 5\/8-24 harness connector thread (3\/4 in wrench on the B-nut). Its heat rating is 40. The centre electrode has a copper core co-extruded inside a nickel-alloy sleeve, and the plug has a high-alumina ceramic insulator and a glass centre seal with integral resistor. It is gapped at the factory to 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the UREM40E for short-reach cylinders of Continental C-85, C-90, O-200, O-300, Continental Titan, Lycoming O-235, O-290, O-320, O-360, IO-360, O-540, IO-540, Superior O-360, Jacobs R-755 and Warner Scarab engines, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is installed with a new copper gasket (Tempest UM-674) and tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477549387,"sku":"UREM40E","price":967.5,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/UREM40E.jpg?v=1790632930"},{"product_id":"urhb32e","title":"Tempest URHB32E Massive-Electrode Spark Plug","description":"\u003cp\u003eTempest URHB32E is an FAA-PMA aviation spark plug with a massive electrode, 18 mm mounting thread, 13\/16 in reach and a 3\/4-20 harness connector thread (7\/8 in wrench on the B-nut). Its heat rating is 32. The centre electrode has a copper core co-extruded inside a nickel-alloy sleeve, and the plug has a high-alumina ceramic insulator and a glass centre seal with integral resistor. It is gapped at the factory to 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the URHB32E for long-reach cylinders of Continental IO-520, TSIO-520, IO-550, TSIO-550, Lycoming TO-360, TIO-360, IO-540, TIO-540, TIO-541, IO-720 and Franklin 4A-235, 6A-350 engines, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is installed with a new copper gasket (Tempest UM-674) and tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477582155,"sku":"URHB32E","price":967.5,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/URHB32E.jpg?v=1790632933"},{"product_id":"urhb37e","title":"Tempest URHB37E Massive-Electrode Spark Plug","description":"\u003cp\u003eTempest URHB37E is an FAA-PMA aviation spark plug with a massive electrode, 18 mm mounting thread, 13\/16 in reach and a 3\/4-20 harness connector thread (7\/8 in wrench on the B-nut). Its heat rating is 37. The centre electrode has a copper core co-extruded inside a nickel-alloy sleeve, and the plug has a high-alumina ceramic insulator and a glass centre seal with integral resistor. It is gapped at the factory to 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the URHB37E for long-reach cylinders of Lycoming IO-320, IO-360, IO-390, TO-360, TIO-360, IO-540, TIO-540, IO-580, IO-720, Franklin 6V-335, PZL-3S, ASZ-62IR and Wright R-1820 engines, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is installed with a new copper gasket (Tempest UM-674) and tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477680459,"sku":"URHB37E","price":967.5,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/URHB37E.jpg?v=1790591143"},{"product_id":"urhm38e","title":"Tempest URHM38E Massive-Electrode Spark Plug","description":"\u003cp\u003eTempest URHM38E is an FAA-PMA aviation spark plug with a massive electrode, 18 mm mounting thread, 1\/2 in reach and a 3\/4-20 harness connector thread (7\/8 in wrench on the B-nut). Its heat rating is 38. The centre electrode has a copper core co-extruded inside a nickel-alloy sleeve, and the plug has a high-alumina ceramic insulator and a glass centre seal with integral resistor. It is gapped at the factory to 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the URHM38E for short-reach cylinders of Continental O-300, IO-360, TSIO-360, Continental Titan and Lycoming O-235, O-290, O-320, IO-320, O-360, IO-360, O-540, IO-540 engines, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is installed with a new copper gasket (Tempest UM-674) and tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477713227,"sku":"URHM38E","price":967.5,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/URHM38E.jpg?v=1790591155"},{"product_id":"urhm38s","title":"Tempest URHM38S Fine-Wire Spark Plug","description":"\u003cp\u003eTempest URHM38S is an FAA-PMA aviation spark plug with an iridium fine-wire centre electrode, 18 mm mounting thread, 1\/2 in reach and a 3\/4-20 harness connector thread (7\/8 in wrench on the B-nut). Its heat rating is 38. The plug has a glass centre seal with integral resistor, a high-alumina ceramic insulator and a projected gap, and is gapped at the factory to 0.017–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the URHM38S for short-reach cylinders of Continental O-200, O-300, IO-360 and O-470 series, Continental Titan engines and Lycoming O-235, O-320, O-360, IO-360 and short-reach O-540\/IO-540 series, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477745995,"sku":"URHM38S","price":4045.1,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/URHM38S.jpg?v=1790591168"},{"product_id":"urhm40e","title":"Tempest URHM40E Massive-Electrode Spark Plug","description":"\u003cp\u003eTempest URHM40E is an FAA-PMA aviation spark plug with a massive electrode, 18 mm mounting thread, 1\/2 in reach and a 3\/4-20 harness connector thread (7\/8 in wrench on the B-nut). Its heat rating is 40. The centre electrode has a copper core co-extruded inside a nickel-alloy sleeve, and the plug has a high-alumina ceramic insulator and a glass centre seal with integral resistor. It is gapped at the factory to 0.016–0.021 in.\u003c\/p\u003e\u003cp\u003eThe Tempest application chart lists the URHM40E for short-reach cylinders of Continental C-85, C-90, O-200, O-300, Continental Titan, Lycoming O-235, O-290, O-320, O-360, IO-360, O-540, IO-540, Jacobs R-755 and Warner Scarab engines, among others. Tempest refers to the engine or airframe parts listing and approved data for the final choice of plug. The plug is installed with a new copper gasket (Tempest UM-674) and tightened to the torque the engine manufacturer specifies. Fit depends on the engine model.\u003c\/p\u003e","brand":"Tempest","offers":[{"title":"Default Title","offer_id":58187477778763,"sku":"URHM40E","price":967.5,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/files\/URHM40E.jpg?v=1790591182"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/1063\/3803\/collections\/UREM37BY.jpg?v=1791640656","url":"https:\/\/shop.airteam.eu\/collections\/parts-spark-plugs.oembed?page=2","provider":"AIR TEAM","version":"1.0","type":"link"}