-3/8-18 NPTF-, Century & Regal, V8, Chevrolet small block, with factory gauges & aftermarket or... see more-3/8-18 NPTF-, Century & Regal, 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)
Flaming River or 1977 & later GM column to stock Dash Harness, Skylark Note: Adapts... see moreFlaming River or 1977 & later GM column to stock Dash Harness, Skylark Note: Adapts horn, directionals, 4 way flashers, & ignition key warning of column to stock 1975-76 dash connector
simple plug-in conversion allows use of a CS130-D (serpentine belt, internal fan) series internally regulated... see moresimple plug-in conversion allows use of a CS130-D (serpentine belt, internal fan) series internally regulated alternator in place of the original SI series internally regulated alternator