• Must be used with MSD 6, 7 or 8-Series Ignition
• Must be used with an MSD Ignition Control Supplied with small diameter cap with HEI style terminals and race rotor (will accept 121-8441 Cap-A-Dapt)
• Nylon pads ensure smooth operation of the advance weights
• Advance weight pins are staked and tig welded to the plate
• Mechanical advance assembly can be locked out for crank trigger systems
• Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
• Polished steel shaft is QPQ coated and guided by two sealed ball bearings
• Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
• Easy-to-adjust mechanical advance with supplied springs and stop bushings

Emissions Note:

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number D-40-39.

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