MSD Distributor Cap - HEI Style Terminals - Brass Terminals - Screw Down - Red - Non-Vented - MSD Pro-Billet Distributors - Small Block Chevy 37017XK 4-3/4 Bolt Pattern

4-3/4 Bolt Pattern

14 in Drilled / Slotted

1977-1981 Pontiac Bonneville

I Clutch Series

these ignition modules can drive both OEM and high performance ignition coils

MSD Distributor Cap - HEI Style Terminals - Brass Terminals - Screw Down - Red - Non-Vented - MSD Pro-Billet Distributors - Small Block Chevy 37017XK 4-3/4 Bolt PatternIf you have an MSD 85701 Pro Billet distributor we have the replacement cap and rotor to keep it tuned up. Molded from material that provides superior strength for reliability, these high quality replacement parts also have excellent dielectric properties to prevent crossfire and arcing. Low resistance terminals in the cap and a low resistance rotor tang ensure maximum spark transfer to the plug wires and plugs. Features: Replacement for 85701