MSD8570 - MSD PRO-BILLET DISTRIBUTOR SMALL DIAMETER FOR CHEV SMALL & BIG BLOCK

Features:

• CNC machined billet aluminum housing is 3/8” smaller in diameter and 7/8” shorter than conventional Chevy V-8 distributors with the “points” type cap
• Supplied with small diameter HEI style distributor cap and rotor (will accept 8441 Cap-A-Dapt)
• Will not accept a vacuum advance canister
• No CARB Exemption Order Number
• O-ring seals can be added to modified blocks to improve oil pressure control•Must be used with an MSD 6, 7, 8, or 10 Series Ignition
• Special oil tract improves lubrication to the distributor and cam gear
• 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
• Adjustable slip collar mounting flange for engines with modified deck heights
• Polished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushing
• Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
• Advance weight pins are staked and tig welded to the plate
• Nylon pads ensure smooth operation of the advance weights
• Mechanical advance assembly can be locked out for crank trigger systems