ARP 621-3000 SAE Bolt Kit 1/4-20 x 3.000 hex SS bolts ymm_49 and it weighs in over

and it weighs in over 43% lighter than the standard stock version

ARP 12-point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements

- Diameter cross-section 89 mm (3

A large number of connecting rod manufacturers have chosen ARP bolts as standard equipment

An optional Akrapovic Sound Kit is also available

ARP 621-3000 SAE Bolt Kit 1/4-20 x 3.000 hex SS bolts ymm_49 and it weighs in overSpecifications Socket Size(s) 5 16 hex UHL 3. 000 Thread Length 1. 000 Grip Length 2. 000 Thread Diameter Pitch 1 4 20 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515