Details
KRC Thermostat Housing Spacer 1" Thick W/ (2) 3/8" Female Pipe Thread Holes for CT525 LS Chevrolet engines. NP in the part number excludes anodize and comes with a CNC Machined Aluminum finish.
The KRC 1" Thermostat Housing Spacer is machined to accept a thermostat above the (2) 3/8" Female Pipe Threads. This plumbing feature allows the engine to reach operating temperatures faster.
The KRC Hose Kit PN# KRC 1520300 is sold separately rerouting water flow to even out water temps at the back of the cylinder head and engine block. For a complete package you will need to add PN# KRC 15200000 Bypass Block Off -4AN O-ring Fittings for CT525 LS engines. (Sold Separately).