ARP 674-1009 Metric Thread Bolt Kit M12 x 1.50 x 80 12pt black oxide bolts ymm_32 An extra-large radius base offers

An extra-large radius base offers greater resistance to flex

Fits Following Engines:Chevrolet LS Gen III/IV Series

Precision rolled threads after heat treatment ensure accurate torque values and excellent fatigue resistance

Specifications Socket Size(s) 1/2 hex OAL 1 (Qty: 2) 1

The Evolution Line (Titanium) takes these cars to heightened levels of auditory excitement

ARP 674-1009 Metric Thread Bolt Kit M12 x 1.50 x 80 12pt black oxide bolts ymm_32 An extra-large radius base offersSpecifications Socket Size(s) 14mm 12pt UHL 80mm Thread Length 30mm Grip Length 50mm Thread Diameter Spacing M12 x 1. 50mm Grip Diameter 12mm Wrenching 14mm Head Height 11. 7mm Collar Diameter 21. 6mm