Spark Plug Champion RV15YC4

Model: 110 - 4, 153 CID

140 FROM 3826283 - 4, 181 CID

3.0 HATA UP TO 0F353100 - 4, 181 CID

165 FROM 2771484 - 6, 194, 230 & 292 CID

185 - V6, 229 CID

175, 185, 205 - V6, 262 CID

4.3L MPI - V6, 262 CID

4.3L UP TO 0F802999 - V6, 262 CID

4.3LX FROM 0F802999 - V6, 262 CID

888 FROM 4169597 CULATAS - 14mm FORD V8

233 CULATAS 14mm HEADS - FORD V8

255 FROM 4175499 CUALTAS 14mm - FORD V8

250 FROM 4768000 - V8 283, 327, 305, 350 CID

255 - V8 283, 327, 305, 350 CID

280, 300 Tempest, 320 EFI - V8 283, 327, 305, 350 CID

330, 330 (B-W), 370, 400, 400 Cyclone - V8 427, 454 & 482 CID
420, HP425, 440 Cyclone, HP450 - V8 427, 454 & 482 CID
454 Mag Alpha, Bravo, EFI/MP/MPI - V8 427, 454 & 482 CID

7.4L Alpha, 7.4L Bravo - V8 427, 454 & 482 CID
7.4L TR OB771113-OC407646 - V8 427, 454 & 482 CID

7.4LX EFI, 7.4LX MPI - V8 427, 454 & 482 CID
HP465, HP500 (502 CID), HP500 EFI - V8 502, 540 & 572 CID

502 MAG (CARB.), EFI/MA/MPI - V8 502, 540 & 572 CID