ARP 621-3250 SAE Bolt Kit 1/4-20 x 3.250 hex SS bolts ymm_31 the three mufflers – two

the three mufflers – two side and one central – are configured in a unique way

Harmonic Damper Washer Kit

heat-treated prior to thread rolling and machining

Convert analog

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

ARP 621-3250 SAE Bolt Kit 1/4-20 x 3.250 hex SS bolts ymm_31 the three mufflers – twoSpecifications Socket Size(s) 5 16 hex UHL 3. 250 Thread Length 1. 000 Grip Length 2. 250 Thread Diameter Pitch 1 4 20 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515