For Chevy LS engine 30 Degree Swivel thermostat housing water neck – Copper finish Aluminum
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
On May 3, 2023 at 15:00:37 PDT, seller added the following information: