ARP 646-1500 SAE Bolt Kit 1/2-13 X 1.500 hex SS bolts ymm_16 Specifically designed to interface with

Specifically designed to interface with AEM engine management systems

Expedition 1997-2009

and it gives the rear of the car a more aggressive and sporty feel

ARP Ultra-Torque® fastener assembly lubricant has been specifically designed to reduce tension pre-load scatter and eliminate the need to cycle high performance engine fasteners before final installation

Knurl Diameter: 0

ARP 646-1500 SAE Bolt Kit 1/2-13 X 1.500 hex SS bolts ymm_16 Specifically designed to interface withSpecifications Socket Size(s) 9 16 hex UHL 1. 500 Thread Length 1. 250 Grip Length 0. 250 Thread Diameter Pitch 1 2 13 Grip Diameter 1 2 Wrenching 9 16 Head Height 0. 450 Collar Diameter 0. 850