Universal - Use with Holley or MSD EFI Systems 1966-buick-skylark-esi2956076 438 in ID - 1

438 in ID - 1

Brake Rotor Adapter - Dynamic Rotor Mount to 8 x 7

Throttle Stop - Adjustable - Steel - Zinc Oxide - Holley 4150 Carburetors - Kit

Electric Cooling Fan - PWM HO RAD - 17 in Fan - Puller - 2400 CFM - 12V - Curved Blade - 22

Universal - Use with Holley or MSD EFI Systems 1966-buick-skylark-esi2956076 438 in ID - 1The MSD Smart Coil is a direct replacement for the popular IGN 1A coil. Here's the difference; it produces more spark energy while consuming less power without sacrificing voltage output. This means you get hotter spark at the plug to burn the maximum amount of fuel in each cylinder while using less power from your electrical system.