1/4-20 x 4.000 12pt SS bolts

1/4-20 x 4.000 12pt SS boltsMaterial: Stainless Steel Finish: Polished Material 2: Finish 2: Origin: USA

while the compact head is easily accessed

the harmonic damper absorbs incredible amounts of kinetic energy

Studs and bolts come either black oxide chrome moly or polished ARP Stainless

High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

the bolt should be replaced immediately

A hollow core serves to reduce the reciprocating mass

It’s the fastener of choice

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing

so it seats evenly and applies pressure on a full 360° circle

All critical shear points feature a large radius for improved reliability and maximum load carrying capacity

Ford GM 10- & 12-bolt rear ends to the beefy Strange differentials found in Top Fuel and Funny Car applications

Special connecting rod washers are available