67 WARNING: Cancer and Reproductive Harm - www P65Warnings ca gov s l California Residents WARNING: Cancer www P65Warnings ca gov Application Material Hex Nuts Hex Nuts U/C Studs 12-Point Nuts 12-Point Nuts U/C Studs FORD, MODULAR 4.6L & 5.4L 2V/4V 8740 156-4101 s 156-4301 s 4.6L & 5.4L 2V/4V ARP2000 256-4001 s 256-4201 s 4.6L & 5.4L 3V ARP2000 256-4002 s 256-4202 s FORD, 4, 5 AND 6-CYLINDER 1600cc, Escort M10 8740 151-4203 s 1.6L EcoBoost ARP2000 251-4302 s 2.0L (YB) DOHC Cosworth Sierra/Escort M12 8740 251-4701 s 2.0L Zetec 8740 251-4702 s 2000cc Pinto 8740 151-4201 s 2300cc Pinto 8740 151-4202 s 151-4702 s 2.3L Duratec (2003 & later) 8740 151-4204 s 2.3L EcoBoost 8740 151-4301 s 2.3L EcoBoost CA625+ 251-4303 s 2.5L Duratec V6 8740 253-4701 s 2.7L EcoBoost 8740 153-4302 s 2.5L (B5254) DOHC 5-cylinder ARP2000 251-4703 s 3.5L EcoBoost 8740 153-4303 s 3.8L V6 Super Coupe T-bird 8740 153-4001 s 153-4203 s 4.0L SOHC V6 8740 253-3701 s 4.0L (XR6) inline 6 M12 10/2023 changed from 0.875˝ OD washer to 0.995˝ OD cat’s paw washer * ARP2000 252-4302 s 4.0L (XR6) inline 6 M14 to 1/2” diameter step stud conversion 10/2023 changed from 0.875˝ OD washer to 1.00˝ OD washer * ARP2000 252-4301 s 4.5L SVO inline valve V6, head #M6049-H380 8740 253-4102 s 253-4302 s Model A 201 cid, 4-cylinder - 8740 studs, polished ARP Stainless acorn nuts and washers 8740 151-4002 s 240-300 cid inline 6 8740 152-4001 s 152-4201 s GENERAL MOTORS 2.2L Ecotec 8740 231-4701 s HOLDEN Commodore V6 (7/16˝ diameter) 8740 205-4002 s 308 cid with 12 bolt head (early) carbureted (7/16˝ diameter) 8740 205-4001 s 205-4601 s 308 cid with 12 bolt head (early) carbureted (7/16˝ diameter - 1/2˝ longer than stock) 8740 205-4602 s 308 cid with 10 bolt head (late) EFI (7/16˝ diameter) 8740 205-4201 s 308 cid with 10 bolt head (1/2˝ diameter) 8740 234-4201 s * if your kit has the smaller OD washers, please call us at +1 800-826-3045 to receive the larger OD washers HEAD STUDS
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