7/16-14 x 3.000 12pt black oxide bolts

7/16-14 x 3.000 12pt black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

And there’s more

PROFESSIONAL SERIESAll Pro Series bolts are cold-forged to ensure molecular integrity

wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry ofstripping the head

It is primarily used in short track and drag racingapplications where inertia loads exceed the clamping capability of ARP2000

The studs are manufactured from 8740 chrome moly steel

It’s the fastener of choice

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 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

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

as well as hex or 12-point heads

If there is a permanent increase of

the shaft diameter is a larger diameter than the OEM unit