ARP BB Ford 390-428 FE Series 12pt main bolt kit 155-5421 Ignition Leads Manufacturer's Part Number: EAGB690-1

Manufacturer's Part Number: EAGB690-1

Part Number: FE1683

Stealth Ride Part Number: ARP-254-4703

* Available with or without DeatschWerks fuel pumpsBrand: DeatschWerks

ARP BB Ford 390-428 FE Series 12pt main bolt kit 155-5421 Ignition Leads Manufacturer's Part Number: EAGB690-1ARP BB Ford 390 428 FE Series 12pt main bolt kit (155 5421) ARP Main Stud Kits 155 5421 ARP main stud kits help eliminate main cap walk fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat treated in house to 190,000 psi tensile strength rating. The precision J form threads are rolled after heat treat for much stronger threads than the competition. Kits come complete with hardened parallel