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| Make | Model | Years | Fitment Notes |
| Buick | Skylark | 1978 | original 1/2 x 14 N.P.T.F., Century & Regal, V6 231 (A code) C.I., with factory gauges (correct resistance and connection, produces accurate gauge display) |
| Buick | Skylark | 1980 | original 1/2 x 14 N.P.T.F., Century & Regal, V8, Pontiac 265 & 301 C.I, with factory gauges (correct resistance and connection, produces accurate gauge display) |
| Buick | Skylark | 1979 | original 1/2 x 14 N.P.T.F., Century & Regal, V8, Pontiac 301 C.I., with factory gauges (correct resistance and connection, produces accurate gauge display) |
| Pontiac | Firebird | 1980 | original 1/2 x 14 N.P.T.F., V8, Pontiac 265 & 301 C.I., with factory gauges/Rally Gauges (correct resistance and connection, produces accurate gauge display) |
| Pontiac | Firebird | 1979 | original 1/2 x 14 N.P.T.F., V8, Pontiac 301 & 400 C.I., with factory gauges/Rally Gauges (correct resistance and connection, produces accurate gauge display) |