Add to Cart Quick view Lockout Kit for GM OE HEI Vac. Advance MSD IGNITION MSRP: Now: $27.17 Was: Spark Advance Lockout - Vacuum Advance - Plastic - Black - MSD GM OE HEI Distributor - Each MSD88364
Add to Cart Quick view Advance Lockout Plate - GM HEI Dist. PROFORM MSRP: Now: $13.99 Was: Vacuum Advance Lock Out - Plastic - GM HEI Distributors - Each PFM67022C
Add to Cart Quick view Adj Vacuum Advance Unit HEI GM Distributors ACCEL MSRP: Now: $43.50 Was: Vacuum Advance - Adjustable - GM HEI Distributors - Each ACL31035
Add to Cart Quick view Gm Hei Advance Kit MOROSO MSRP: Now: $19.99 Was: Mechanical Advance - Weights / Centerplate / 3 Spring Sets - GM HEI Distributors - Kit MOR72300
Add to Cart Quick view GM HEI Advance Curve Kit ALLSTAR PERFORMANCE MSRP: Now: $7.99 Was: Mechanical Advance - Bushing / Weights / 3 Sets of Springs - GM HEI V8 - Kit ALL81300