ARP 207-3900 Head Bolt Kit for MITSUBISHI 4G63 ymm_71 Not compatible with genuine trailer

Not compatible with genuine trailer tow hitch

Hardened parallel-ground washers are included with each kit

3/16 Allen Finish: Black oxide

SCHEMATIC NEW VERSION

ARP 207-3900 Head Bolt Kit for MITSUBISHI 4G63 ymm_71 Not compatible with genuine trailerIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat