A magnetic pick-up triggers your MSD Ignition Control accurately at any rpm. Above this pick-up the mechanical advance assembly is positioned so it can be adjusted without disassembling the distributor. In addition, the specially ground advance cam is tig-welded to the 9/16" hardened shaft and the weight pins are staked and TIG-welded to the advance plate.

Product Features:

• CNC machined billet aluminum housing and billet aluminum base
• Will not accept a vacuum advance or MSD Cap-A-Dapt
• Supplied with an HEI style distributor cap and rotor
• Must be used with an MSD Ignition Control
• Mechanical advance assembly can be locked out for crank trigger systems
• Nylon pads ensure smooth operation of the advance weights
• Advance weight pins are staked and tig welded to the plate
• 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 a sealed ball bearing
• 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
• No CARB Exemption Order Number