Update your HEI to MSD performance! 1981-avanti-ii-esi6783792 610 in Long - Stainless

610 in Long - Stainless - Big Block Chevy - Each

Fitting - Bulkhead Tee - 3 AN Male x 3 AN Male x 3 AN Male Bulkhead - Aluminum - Black Anodized - Each

Speed Sending Unit - GPS - 10-30V - Universal - Each

Brake Rotor - Sport - Front - Directional / Drilled / Slotted - 11

Update your HEI to MSD performance! 1981-avanti-ii-esi6783792 610 in Long - StainlessThe Ultimate HEI Kit has everthing you need to make your early model GM HEI Distributor a great performance distributor! The kit is supplied with MSD's HEAT Digital 8. 5 amp performance Module (PN 83647). By matching the Coil specifications with the module, MSD is able to produce maximum spark output.