Kit can used for many popular accessories (electric radiator cooling fan, fuel pump, power windows,... see moreKit can used for many popular accessories (electric radiator cooling fan, fuel pump, power windows, headlight enhancements, etc.) that require use of a relay for safe application of battery power at higher amp loads and/or controlled situational operation. Includes 40 amp relay, wiring , terminals, connectors, and fuse.
-3/8-18 NPTF-, all V8, Chevrolet small block, with factory gauges & aftermarket or 1981-up cylinder... see more-3/8-18 NPTF-, all V8, Chevrolet small block, with factory gauges & aftermarket or 1981-up cylinder heads which have a smaller sending unit hole (correct resistance and connection, produces accurate gauge display)