ARP - Thermostat Housing Bolt Kit - 12pt. LS1/LS2

The ARP Thermostat Housing Bolt Kit is a reliable choice for GM LS-Series engines, specifically tailored for LS1 and LS2 models. This kit includes a pair of bolts with M6 x 1.0 male threads, each 20 mm long, featuring a 12-point head. Manufactured from Chromoly with a durable Black Oxide finish, these bolts ensure maximum strength and longevity in demanding environments. Ideal for automotive enthusiasts needing precision and quality for engine assembly.