Details
KRC Chevrolet CT525 LS -4 AN Water Bypass Adapters (Pair).
The KRC -4 AN Water Bypass fittings are used with KRC Hose Kit PN# KRC 1520300 (Sold Separately). The KRC system reroutes water flow to even out water temps at the back of the cylinder head and engine block.
Requires KRC 15375000 & KRC 15200300 (Sold Separately)