Big Block Chevy 8 Crank Trigger Wheel, Black - 86213 awd 7 V8 1974 - 1977

7 V8 1974 - 1977 Chevrolet Vega 140/2

4 V8 1966 - 1969 Chevrolet K20 Pickup 327/5

7 V8 1960 - 1967 Chevrolet C30 Pickup 283/4

Part Number: J2079

5 Heat Shield Attached No Oxygen Sensor Location Pre and Post Converter Outlet Attachment Bolt-On Outlet Diameter 2

Big Block Chevy 8 Crank Trigger Wheel, Black - 86213 awd 7 V8 1974 - 1977Overview: For a long time, racers have known that one of the best things to do to an engine to improve its performance is to stabilize the ignition timing. The MSD Flying Magnet Crank Trigger systems do exactly that by using four magnets embedded in an aluminum wheel. Although similar in appearance to other crank triggers, the MSD Flying Magnet design works on a different principle. Most crank triggers have a wheel, with steel studs sticking out,