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1975-1979 Fiat X-1/9
5 V8 1967 Pontiac Firebird 326/5
5 L4 1977 - 1978 Pontiac Bonneville 403/6
Chevrolet K5 Blazer (1976)
8L L4 2009 - 2011 Toyota Matrix Base 110/1
tachometer-filter-sn20 dinan 1975-1979 Fiat X-1/9Overview: Classic Instruments Tachometer Filter Tachometer Filter The SN20 is a low pass filter. This filter allows signals of valid tachometer frequencies to pass through to the gauge while blocking high frequency interference. This filter would be helpful if you have interference on the tachometer's signal which is causing erratic behavior on your tachometer. Specs: Application Universal Bezel Included No Brand Classic Instruments Emission Code 6
