3/8" ARP 2000 (Note: Extra cost for ARP upgrade L19 bolts)

Material: forged 4340 plane chrome moly steel quality for racing

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

DIMENSIONS:

Center to center distance: 164mm

Large end diameter: 56.8mm

Small end diameter: 20mm

Large end width: 19.9mm

Small end width: 19.9mm