Advance weight pins are staked and tig welded to the plate Special oil tract improves lubrication to the distributor and cam gear CNC machined billet aluminum housing and billet aluminum base

Supplied with a 8.5 amp, single spark, inductive discharge ignition module, MSD PN 83647, and MSD HEI Coil, PN 8225 Nylon pads ensure smooth operation of the advance weights Supplied with brass terminal distributor cap and rotor

A complete performance HEI distributor upgrade for Chevy V8 engines Polished steel shaft is QPQ coated and guided by a sealed ball bearing CARB E.O. Approved Easy-to-adjust mechanical advance with supplied springs and stop bushings