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SPARK PLUGS QUICK REFERENCE R - Resistor Erosion Protection. What size is the spark plug lead nut? E - 5/8"-24 plug lead nut size (uses 3/4" wrench) or H - 3/4"-20 plug lead nut size (uses 7/8" wrench) What length is the reach of the plug? M - 1/2" plug reach (short) or B - 13/16" plug reach (long) This is the length of the threaded part of the spark plug that screws into the cylinder. What is the heat range needed of the plug? Cold 26 - Hot 50. 40 - heat range of plug Common heat ranges 32, 36, 37, 38, 40. Normally, a hot plug is used in a cold engine (low horsepower), and a cold plug is used in a hot engine (high horsepower.) E or BY - Massive electrode type or S - Fine wire electrode type Any combination of massive and fine wire plugs can be mixed as long as they are approved for your engine. E plugs are standard two electrode massive. BY plugs have nickel twin electrodes and a projected core nose. They are used in engines to prevent lead fouling. Fine wire electrodes have iridium wire welded to electrode tips and last much longer than massive electrode plugs.		Part Number Explanation Example: REM40E
"How To Install Aircraft Spark Plugs" MOST COMMON CHAMPION SPARK PLUG APPLICATION

PARTS BY CATEGORY Air Filters Aircraft Cleaners Airframe Supplies, Sealants and Lubes Alternators & Belts Batteries Beech Airframe Parts Brake Parts Cessna Airframe Parts Cirrus Aircraft Parts Corrosion Treatments Electrical Engine Gaskets Engine Mounts Engine Parts Fuel Injection & Primer System Parts Fuel & Oil Additives Fuel & Oil Drain Valves Hardware Instrument Filters Instruments & Parts Landing Gear Parts & Seal Kits Lighting Magnetos Oil, Lubes & Grease Oil Filters Paint Piper Airframe Parts Spark Plugs Starters Tires & Tubes Tools & Pilot Supplies Vacuum Pumps Voltage Regulators Wheel Bearings Window Cleaners	Engine Model	Standard Massive Electrode-Shielded 5/8"-24			-----	Standard Massive Electrode-Shielded 3/4"-20
	TELEDYNE CONTINENTAL MOTORS
	A-65, A-75	REM40E	View Price	Buy		RHM40E	View Price	Buy
	C-75, C-75, C-90, C-115, C-125	REM40E	View Price	Buy		RHM40E	View Price	Buy
	C-145	REM38E	View Price	Buy		RHM38E	View Price	Buy
	E-165, E-185, E-225	REM40E	View Price	Buy		RHM40E	View Price	Buy
	O-200-A, -B, -C	REM37BY	View Price	Buy		RHM40E	View Price	Buy
	O-200-A, -B, -C	REM40E	View Price	Buy
	IO-240	REM38E	View Price	Buy		RHM38E	View Price	Buy
	GO-300-A, -B, -C, -D, -E, -F	REM40E	View Price	Buy		RHM40E	View Price	Buy
	O-300-A, -B, -C, -D, -E	REM38E	View Price	Buy		RHM38E	View Price	Buy
	IO-360-A, -AB, -C, -CB, -D, -E, -G, -GB, -H, -HB, -J, -JB, -K, -KB	REM38E	View Price	Buy		RHM38E	View Price	Buy
	IO-360-B	REM40E	View Price	Buy		RHM40E	View Price	Buy
	TSIO-360-A, -AB, -B, -C, -CB, -D, -DB, -E, -EB, -F, -FB, -G, -GB, -H, -HB, -JG, -K, -KB, -LB, -MB, LTSIO-360-E, -EB, -K, -KB	REM38E	View Price	Buy		RHM38E	View Price	Buy
	O-470-A, -E, -J, -K, -L, -R, -S	REM40E	View Price	Buy		RHM40E	View Price	Buy
	O-470B, -G, -H, -M, -N, -P	REM38E	View Price	Buy		RHM38E	View Price	Buy
	O-470-T, -U					RHB32E	View Price	Buy
	IO-470-C, -G, -P, -R, -T	REM38E	View Price	Buy		RHM38E	View Price	Buy
	IO-470-J, -K	REM40E	View Price	Buy		RHM40E	View Price	Buy
	IO-470-D, -E, -F, -H, -L, -M, -N, -S, -U, -V, -VO, -LO					RHB32E	View Price	Buy
	IO-520-A, -B, -BA, -BB, -C, -CB, -D, -E, -F, -J, -K, -L, -M, -MB, -N, -NB					RHB32E	View Price	Buy
	TSIO-520-A, -B, -BB, -BE, -C, -CE, -D, -DB, -E, -EB, -F, -G, -H, -J, -JB, -K, -KB, -L, -M, -N, -NB, -P, -R, -T, -U, -UB, -V, -VB, -WB, -AE, -AF, LTSIO-520-AE					RHB32E	View Price	Buy
	GTSIO-520-C, -D, -E, -F, -G, -H, -K, -L, -M, -N					RHB32E	View Price	Buy
	TSIO-550-A, -B, -C					RHB32E	View Price	Buy
	IO-550-A, -B, -C, -D, -E, -F, -G, -L, -N, -P, -R					RHB32E	View Price	Buy
	TEXTRON LYCOMING
	O-235-C, -E, -H	REM37BY	View Price	Buy		RHM40E	View Price	Buy
	O-235-F, -G, -J Fine Wire Electrode-Shielded 5/8"-24 ----REM38S
	O-235-K, -L, -M, -N, -P	REM37BY	View Price	Buy		RHM38E	View Price	Buy
	O-320-A, -C, -E	REM37BY	View Price	Buy		RHM40E	View Price	Buy
	O-320-B, -D, -H	REM40E	View Price	Buy
	AIO-320, LIO-320-B, IO-320-B, -C, -D, AEIO-320-A, -B, -C, -D	REM38E	View Price	Buy		RHM40E	View Price	Buy
	IO-320-A, -B, -D, -E	REM40E	View Price	Buy
	AEIO-320-E	REM37BY	View Price	Buy		RHM40E	View Price	Buy
	IO-320-C, -F, LIO-320-C (Long Reach)	REB37E	View Price	Buy		RHB37E	View Price	Buy
	O-340-A	REM38E	View Price	Buy		RHM38E	View Price	Buy
	O-340-B	REM40E	View Price	Buy		RHM40E	View Price	Buy
	O-360-A, -C, -E, -F	REM38E	View Price	Buy		RHM40E	View Price	Buy
	IO-360-B, -E, -F, -H, -L	REM38E	View Price	Buy		RHM40E	View Price	Buy
	AEIO-360-B, -C, -H, HO-360-A	REM37BY	View Price	Buy		RHM38E	View Price	Buy
	O-360-B, -D	REM37BY	View Price	Buy		RHM40E	View Price	Buy
	IO-360-A, -C, -D, -J, LIO-360-E	REM37BY	View Price	Buy		RHM38E	View Price	Buy
	LO-360-A1G6D, O-360-E1A6D	REM40E	View Price	Buy
	LO-360-E1A6D	REM38E	View Price	Buy		RHM40E	View Price	Buy
	LO-360-C	REM37BY	View Price	Buy		RHM38E	View Price	Buy
	IO-360-A, IO-360-C1F	REB37E	View Price	Buy		RHB37E	View Price	Buy
	AIO-360-A	REM38E	View Price	Buy
	LIO-360-C, AEIO-360-A	REM37BY	View Price	Buy		RHM38E	View Price	Buy
	TO-360-A1A6D, TO-360-C1A6D, TO-360-E, TO-360-F1A6D, LTO-360-A1A6D, LTO-360-E	REB37E	View Price	Buy		RHB32E	View Price	Buy
	GO-480-B, -D, -F	REM38E	View Price	Buy		RHM38E	View Price	Buy
	GO-480-C, -G (Short Reach)	REM38E	View Price	Buy		RHM38E	View Price	Buy
	O-540-A, -D, -E, -F, -G, -H, -J, -J3A5	REM38E	View Price	Buy		RHM38E	View Price	Buy
	O-540-B	REM40E	View Price	Buy		RHM40E	View Price	Buy
	IO-540-A, -B, -E, -G, -K, -L, -M, -P, -S, -U (Short Reach)	REM38E	View Price	Buy		RHM38E	View Price	Buy
	IO-540-C, -D, -J, -N, -T, -V	REM40E	View Price	Buy		RHM40E	View Price	Buy
	AEIO-540-D, -L	REM38E	View Price	Buy		RHM38E	View Price	Buy
	IO-540-AA, -E, -G, -J, -K, -M, -P, -R, -S, -U	REB37E	View Price	Buy		RHB37E	View Price	Buy
	O-540-L3C5D, M1B5D (Long Reach)	REB32E	View Price	Buy		RHB32E	View Price	Buy
	TIO-540-A, -C, -E, -F, -G, -H, -J, -K, -N, -R, -S, -T	REB37E	View Price	Buy		RHB37E	View Price	Buy
	TIO-541-A, -E	REB32E	View Price	Buy		RHB32E	View Price	Buy

SPARK PLUGS AVAILABLE IN FOUR (4) PACKS