5/16" ARP 2000 (Note: Additional cost for ARP upgrade L19 bolts)

Material: forged 4340 plane chrome moly steel quality for racing

Weight tolerance: balanced to +/- 1 gram in the

Torque：26ft≈35NM

DIMENSIONS:

Center to center length: 164mm/6.457in

Diameter of the big end: 56.8mm/2.236in

Diameter of the small end: 20mm/0.787in

Width of large end: 19.9mm/0.783in

Small end width: 19.9mm/0.783in