-H.E.I.-, V8, big block, manual trans., with warning lights Note: Modified for use with a... see more-H.E.I.-, V8, big block, manual trans., with warning lights Note: Modified for use with a GM H.E.I. distributor. Requires use of #17355 T.C.S. switch extension
-3/8-18 NPTF-, V8, Chevrolet small block, with factory gauges & aftermarket or 1981-up cylinder heads... see more-3/8-18 NPTF-, 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)