7-Inch 12-1X Crank Trigger Kit, SBC, Hall Effect 556-171 washer-fluid-caps Optional fitment with 275/30-19 is

Optional fitment with 275/30-19 is possible but adjustments to bodywork will be required

7 V8 1971 - 1976 Pontiac Grand Safari 400/6

3 V6 1992 GMC Jimmy 262/4

4 V8 1958 - 1959 GMC PM151 336/5

7-Inch 12-1X Crank Trigger Kit, SBC, Hall Effect 556-171 washer-fluid-caps Optional fitment with 275/30-19 isFor Small Block Chevrolet Features: Most accurate way to trigger your electronic fuel injection (EFI), can be installed as 12 1 or 12x1 Powerful magnets embedded in a 3 8 inch thick billet 6061 T6 aluminum trigger wheel1 3 wire Hall Effect Sensor that is not easily susceptible to EMI RFI Interference1 Engine specific kits include a direct bolt on billet aluminum pick up bracket1 Rigid mounting that will not flex and cause timing fluctuation1 Easy to