Magnetic Pickup Ignition Tachometer Adapter 8920 Manufactured with lightweight aluminum technology

Manufactured with lightweight aluminum technology

They feature a sleek chrome finish with an aluminum housing and have a 100 amp capacity and wired exactly like your stock  alternator for a simple swap

This hood scoop hat is one of the best in the fuel and alcohol classes

along with a mechanical lifter cam

Magnetic Pickup Ignition Tachometer Adapter 8920 Manufactured with lightweight aluminum technologyIf you are using the magnetic pickup input (green and violet wires) to trigger your Speedmaster Ignition, you will need one of these tach adapters. These units will correct the operation of most voltage triggered tachometers that do not work directly off of the tach output terminal of your unit. Replaces MSD 8920