1/4-20 X 3.750 hex black oxide bolts

1/4-20 X 3.750 hex black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

while expensive

each stud is centerless ground to makeit as close to perfectly concentric as possible

while the bolt kits come with washers

000 psi tensilestrength material and proprietary (ARP2000®) 220

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

Kits come complete with flat washers

We highly recommend using a stretch gauge when installingrod bolts and other fasteners where it is possible to measure thelength of the bolt after tightening

Our kits come in 8470 or polished ARP Stainless and cover spacers up to 3

000 psi rateddamper bolt that can accept a standard 1/2

ARP’s Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190

Complete with washers

Developed for racers who leave nothing to chance