3/8-16 X 2.750 hex black oxide bolts

3/8-16 X 2.750 hex black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

Given the growth in extreme diesel competition and street add-ons

Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading

Our special purpose washers are constructed from either premium chrome moly with a black oxide finish or polished ARP stainless steel and are hardened and parallel-ground

ARP Pro Series head bolt kits are application specific and designed to deliver superior strength typically associated with competition engines

000 psi and precision machined for optimum thread engagement

This helps prevent blown head gaskets

These premium grade bolt and stud kits are engineered to properly engage the engine block threads and resist loosening

000 psi gems

Far superior to any other main bolts available for use in competition engines

You’ve probably heard many a horror story about someone losing an engine when the oil pump fell off into the pan because of a broken bolt

All kits come complete with hardened parallel-ground washers and high quality nuts

impervious to corrosion