ARP 434-3202 Water Pump & Thermostat Housing Bolt Kit for Chevrolet LS Gen III/IV. ARP Stainless. 12pt ymm_21 LCI and M4 (G83) Competition

LCI and  M4 (G83) Competition models

calibrated resistor in the sensor’s connector body

six-point hex bolts stand up to repeated adjustments and feature an integral washer flange for greater load distribution

but only if the threads are rolled after heat-treatment

Precision rolled J-form threads for increased strength

ARP 434-3202 Water Pump & Thermostat Housing Bolt Kit for Chevrolet LS Gen III/IV. ARP Stainless. 12pt ymm_21 LCI and M4 (G83) CompetitionAvailable in a variety of sizes to suit your needs, all ARP 12 point nuts are constructed from 8740 chrome moly steel or ARP 300 Series stainless steel material, and meet ARPs highest standards of quality. Rated at 180, 000 psi tensile strength, ARP 12 point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements. All 8740 chrome moly steel nuts are black