Champion Sparkplugs Piston Engine Application CHart Engine Model Shielded Unshielded Shielded 5/8" - 24 3/4" - 20 5/8" - 24 3/4" - 20 Allison V1710 Consult Champion Aviation Products Regarding this Application Franklin Engine Co. 2A4 Series REJ38 2A-120-A,B RHB32E RHB36S 4A4 Series REJ38 4AC Series REJ38 4A-235-B RHB32E RHB36S Sport 4, 4A, 4A1, 4B, 4R RHB32E RHB36S 6AC, 6AL, 6AG, 6A4, 6V4 Series REJ38 6A4-200, 6V4-200 REL378 6V6-245 REL378 6A8-215 REJ38 6A-335-A, 6V335-A, B REL378 6A-335-B, 6AS-335-A RHB32E RHB36S 6V335-A1A, A1B REB37E RHB37E RHB36S RHB36S 6VS-335-A, -B REB37E REB32E RHB37E RHB32E REB36S REB36S 6A-350-C1, C2, D, D1 RHB32E RHB36S 6V-350-A, -B RHB32E RHB36S GROB 2500 D1/E1 REN30S Jacobs Aircraft Engine Co. L-4, L-5 & L-6 Series R-755 REM40E RHM40E REM38S RHM38S R-755, R-755SM REM38E Kenroyce-Rearwin All Models REM40E RHM40E M41E Kinner All Models M41E Lambert All Models M41E Leblond All Models M41E Menasco All models excep D4 M41E Pratt & Whitney R-985 (Wasp Jr.), R-1340 (Wasp) REM37BY* REM40E RHM40E M41E REM38S RHM38S R-1830 (Twin Wasp C) + for Severe Service REB37E REB32E+ RHB37E RHB32E+ REB36S RHB36S RHB32S+ R-2000 (Twin Wasp D) REB37E RHB37E REB36S RHB36S R-2800 (Double Wasp) ++ Rear Position front row only REB37E REB32E RHB37E RHB32E RHB29E++ REB36S RHB36S RHB32S R-4360 (Wasp Major) REB37E RHB37E REB36S RHB36S PEZETEL (WSK) ASZ-621R, PZL-3S REB37E RB37E REB36S RHB36S Ranger All 18mm Short Reach REM40E RHM40E M41E REM38S RHM38S Rolls Royce - Merlin, Griffon Consult Champion Aviation Products Regarding this Application Teledyne Continental Motors A-65, A-75 REM40E RHM40E M41E REM38S RHM38S C75, C-85, C-90, C-115, C-125 REM40E RHM40E M41E REM38S RHM38S E-165, E-185, E-225 (14mm Bushing) REJ38 0-200-A, -B, -C REM40E RHM40E M41E REM38S RHM38S G0-300-A, -B, -C, -D, -E, -F 0-300-A, -B, -C, -D, -E, C-145 REM40E REM38E RHM40E RHM38E M41E REM38S RHM38S I0-356-A, -B REM40E REM38E RHM40E RHM38E REM38S RHM38S I0-360-A, -AB, -C, -CB, -D, -E, -G, -GB, -H, -HB, -J, -JB, -K, -KB REM38E RHM38E REM38S RHM38S I0-360-B REM40E RHM40E REM38S RHM38S TSIO-360-A, -AB, -C, -D, -DB, -E , -EB, -F, -FB, -G, -GB, -H, -HB, -JB, -K, -KB, -LB, -MB LTSI0-360-E, -EB, -K, -KB REM38E RHM38E REM38S RHM38S 0-470-2 REM38E RHM38E REM38S RHM38S 0-470-4, -11, -13, -13A, -15 REM40E RHM40E REM38S RHM38S 0-470-A, -E, -J, -K, -L, -R, -S REM40E RHM40E REM38S RHM38S 0-470-B, -G, -H, -N, -P REM40E REM38E RHM40E RHM38E REM38S RHM38S 0-470-U, -U RHB32E RHB36S RHB32S I0-470-C, -G, -P, -R, -T REM40E REM38E RHM40E RHM38E REM38S RHM38S I0-470-J, -K REM40E RHM40E REM38S RHM38S I0-470-D, -E, -F, -H, -L, -M -N, -S, -U, -V, -V0, -L0 RHB32E RHB36S RHB32S GI0-470-A RHB32E RHB36S RHB32S LI0-470-A REM40E REM38E RHM40E RHM38E REM38S RHM38S TSI0-470-B, -C, -D RHB32E RHB36S RHB32S I0-520-A, -B, -BA, -BB, -C, -CB -D, -E, -F, -J, -K, -L, -M, -MB, -N, -NB RHB32E RHB36S RHB32S TSI0-520-A, -B, -BB, -BE, -C, -CE, -DB, -E, -EB, -F, -G, -H, -J, -JB, -K, -KB, -L, -M, -N, -NB, -P, -R, -T, -U, -UB, -V, -VB, -WB, -AE, -AF LTSI0-520-AE RHB32E RHB32S RHB36S GTSI0-520-C, -D, -E, -F, -G, -H, -K, -L, -M, -N RHB32E RHB32S RHB36S TSI0-550-A, -B, -C RHB32E IO-550-A, -B, -C RHB32E RHB36S RHB32S TSI0L-550-A, -B RHU32E RHU32S 6-285-B, -BA, -C, -CA, 6-320-A, -B RHU27E W-670 REM40E RHM40E M41E REM38S RHM38S R9A REB37E RHB37E REB36S RHB36S Textron Lycoming 0-145, G0-145 M41E 0-235-C, -E, -H REM40E REM38E REM37BY* RHM40E M41E REM38S RHM38S 0-235-F, -G, -J REM38S 0-235-K, -L, -M, -N, -P REM40E REM38E REM37BY* RHM40E RHM38E REM38S RHM38S 0-290 Series REM40E RHM40E M41E REM38S RHM38S 0-320-A, -C, -E REM40E REM37BY* RHM40E M41E REM38S RHM38S 0-320-B, -D, -H AI0-320, LI0-320-B I0-320-B, -C, -D, AEI)-320, -A, -B, -C, -D REM40E REM38E REM37BY* RHM40E RHM38E REM38S RHM38s * Use REM37BY when encountering lead fouling **FAA-PMA Pending Continue to Next Page