tachometer-filter-sn20 BatteriesandAccessories 7 L V8 2007 Dodge

7 L V8 2007 Dodge Ram 3500 SLT 345/5

3 V8 1961 - 1964 Plymouth Fury 413/6

These style clamps replace U-bolts and clamps

Pontiac Parisienne (1972-1974

4 V8 1955 Pontiac Star Chief 287/4

tachometer-filter-sn20 BatteriesandAccessories 7 L V8 2007 DodgeOverview: 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