7000 and 8000 Series Male Std Distributor Cap - Red it has a square bore

it has a square bore carb flange instead of a spread bore

This is a Speedmaster CS130 Delco style alternator with the mounting ear straight up and down

Speedmaster billet aluminum valve bodies are engineered to be a state-of-the-art replacement for your original valve body

The Speedmaster valve locks will fit any Speedmaster 10 degree retainer and are recommended for all race applications due to their superior strength

Speedmaster timing tabs are precision-manufactured and bolt on using your existing timing cover bolts

7000 and 8000 Series Male Std Distributor Cap - Red it has a square boreEnsure that you have the finest distributor cap available by using one of these Speedmaster distributor caps. They're designed with performance in mind, are molded from a high quality, voltage insulating material, and use low resistance terminals for maximum conductivity .