ARP fasteners Thermostat Housing Bolt Kit, 12-Point Head Black Oxide AR134-7401

Thermostat Housing Bolt Kit, 12-Point Head Black Oxide

fits GM LS Series 20mm UHL

AR134-7401

134-7401

THERMOSTAT HOUSING BOLTSNobody likes water leaks. And here’s ARP’s contribution to the solution. These premium grade bolts are engineered to properly engage the manifold threads and resist loosening. They’re application-specific, and come in your choice of black oxide finished chrome moly or rust-proof stainless steel, with handy 12-point or standard hex heads. Washers included.