ARP 627-5750 SAE Bolt Kit 1/2-13 x 5.750 12pt black oxide bolts ymm_10 t is for good reason

t is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants

No free air sensor calibration required - ever

The AEM 21-802C Cold Air Intake System is designed to increase engine horsepower and torque by replacing the restrictive factory airbox with a performance-optimized intake layout

Outstanding performance even in dusty racing conditions

ARP 627-5750 SAE Bolt Kit 1/2-13 x 5.750 12pt black oxide bolts ymm_10 t is for good reasonSpecifications Socket Size(s) 9 16 12pt UHL 5. 750 Thread Length 1. 250 Grip Length 4. 500 Thread Diameter Pitch 1 2 13 Grip Diameter 1 2 Wrenching 9 16 Head Height 0. 450 Collar Diameter 0. 850