Small/Big Chevy, Small Diameter Housing, Magnetic Trigger, Mechanical Advance

MSD8570

D8570

CNC machined billet aluminium housing is 3/8" smaller in diameter and 7/8" shorter than conventional Chevy V8 distributors. Maintenance free magnetic pick-up 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. Special oil tract impr oves ributor and cam gear. 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 Supplied with small diameter HEI style distributor cap and rotor (will accept 8441 Cap-A-Dapt) Will not accept a vacuum advance canister This Distributor was designed for racers and street rodders that have space limitations due to firewall interference, blowers or oversized intake manifolds such as tunnel rams. Proven performance features include a high output magnetic pick-up and precision machined reluctor for accurate ignition triggering. A fully adjustable mechanical advance allows you to tailor the advance curve to your specific application. Topping it all off is our own small diameter cap. This is moulded out of durable Rynite material and comes with an optional wire retainer.