ARP 641-3000 SAE Bolt Kit 5/16-18 x 3.000 12pt black oxide bolts ymm_59 812 x (ID x OD

812 x (ID x OD x Thickness)

If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in – you knew from the beginning that the rocker geometry was going to be inconsistent all over the place

this product was designed to upgrade the Akrapovič system for further tuning

Cam Drive Specialty Kit

5 in (64 mm)

ARP 641-3000 SAE Bolt Kit 5/16-18 x 3.000 12pt black oxide bolts ymm_59 812 x (ID x ODSpecifications Socket Size(s) 3 8 12pt UHL 3. 000 Thread Length 1. 000 Grip Length 2. 000 Thread Diameter Pitch 5 16 18 Grip Diameter 5 16 Wrenching 3 8 Head Height 0. 300 Collar Diameter 0. 620