Features:

• Smaller diameter CNC machined billet aluminum housing and billet aluminum base clears aftermarket heads and valve covers
• No CARB Exemption Order Number
• 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
• Must be used with an MSD Ignition Control
• Supplied with small diameter cap with HEI style terminals and race rotor (will accept 8441 Cap-A-Dapt)
• 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
• Polished steel shaft is QPQ coated and guided by two sealed ball bearings
• Nylon pads ensure smooth operation of the advance weights

About MSD

Shop MSD ignition boxes, coils, distributors, spark plug wires, crank triggers, RPM controls, starters, and electrical components for street and racing applications at Holley.

• Magnetic Pickup for all MSD Billet Distributors

  Replacement magnetic pickup

  Part# 84661

  $51.95

  Qty: 

  Add To Cart
• MSD Race Rotor

  Pro-Billet Distributors

  Part# 8467

  $18.34

  Qty: 

  Add To Cart
• Black Distributor Cap for PN 8570, 8545, 8546

  Small Diameter Distributor Cap

  Part# 84313

  $70.09

  Qty: 

  Add To Cart
• Red Distributor Cap

  Red Cap fits PN 8570, PN 8545 and PN 8546.

  Part# 8431

  $70.09

  Qty: 

  Add To Cart

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle

C.A.R.B. EO #D-40-39