1/4-20 x 3.500 12pt black oxide bolts

1/4-20 x 3.500 12pt black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

premiumgrade aerospace chrome moly steel

Drive pins are rated 190

these super-alloys are found in many jet engine and aerospace applications where heat and stress attack the life of critical components

It is the most accurate wayto determine the correct pre-load in the rod bolt

thread pitch to thread pitch

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

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

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

All Pro Series bolts are cold-forged to ensure molecular integrity

They are available in several different strength materials to safely handle applications from performance street to all-out competition

to prevent galling and promote more consistent torque loading

Camshaft positioning is critical on overhead cam engines and ARP makes sure that the cam towers are properly secured through use of these durable bolts and studs