Aluminum Chevy LS engine 30 Degree Swivel thermostat housing water neck - Copper
O-ring is not needed. Requires 2004-up (2.25 in. diameter) thermostat. Fits LM7, LM9, LS1, LS2, LS6, and truck water pumps with 2.970 in. bolt spacing. Does not fit LS3
Aluminum Chevy LS engine 30 Degree Swivel thermostat housing water neck - Copper
O-ring is not needed. Requires 2004-up (2.25 in. diameter) thermostat. Fits LM7, LM9, LS1, LS2, LS6, and truck water pumps with 2.970 in. bolt spacing. Does not fit LS3