ARP 134-7401 Thermostat Housing Bolt Kit for CHEVROLET LS. 20mm UHL. 8740. 12pt ymm_18 Mandatory Tail Pipe Set TP-T/S/19/H

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

6L Duramax Diesel

Maximum Torque: 576

000psi UHL 1

ARP 134-7401 Thermostat Housing Bolt Kit for CHEVROLET LS. 20mm UHL. 8740. 12pt ymm_18 Mandatory Tail Pipe Set TP-T/S/19/HAvailable 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