ARP 135-3701 Head Bolt Kit for CHEVROLET Big Block 12pt ymm_23 435˝ Diameter - Pitch 1/2-20

435˝ Diameter - Pitch 1/2-20 Wheel Stud Hole Size - Cast Iron/Steel Hub 0

One machined billet injector with integral check valve to prevent unintended flow

THE 22 CHANNEL CAN SENSOR MODULE EXPLAINED

The sound has been tuned to deliver a fulfilling acoustic statement every time the car fires to life

000˝ Thread Size 3/8˝

ARP 135-3701 Head Bolt Kit for CHEVROLET Big Block 12pt ymm_23 435˝ Diameter - Pitch 1/2-20It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat