ARP 134-7401 Thermostat Housing Bolt Kit for CHEVROLET LS. 20mm UHL. 8740. 12pt ymm_18 6L Duramax Diesel

6L Duramax Diesel

eliminating OPFs/GPFs

Mandatory Tail Pipe Set TP-T/S/19/H must be ordered separately

000˝ Thread Diameter-Pitch 1/4-20 Grip Diameter 1/4˝ Wrenching 5/16˝ Head Height 0

000psi UHL 1

ARP 134-7401 Thermostat Housing Bolt Kit for CHEVROLET LS. 20mm UHL. 8740. 12pt ymm_18 6L Duramax DieselAvailable 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