Advance Weight Kit - MSD Pro Billet Dist.

Distributor Weights - Spark Advance - Pro-Billet - MSD Mechanical Advance Distributors - Kit

Chevy Vacuum Advance

Vacuum Canister - MSD Distributors Using a Vacuum Advance Mechanism - Each

H.E.I. Adv Curve Kit

Mechanical Advance - Bushing / 3 Sets of Springs - GM HEI Distributors - Kit

Gm Hei Advance Kit

Mechanical Advance - Weights / Centerplate / 3 Spring Sets - GM HEI Distributors - Kit

GM HEI Advance Curve Kit

Mechanical Advance - Bushing / Weights / 3 Sets of Springs - GM HEI V8 - Kit