Ball and Socket Flange Exhaust Header Reducers These Speedmaster valve springs are

These Speedmaster valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines

Speedmaster offers these HEI Upgrade kits for your stock distributor

It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs

These bolts are forged from aerospace alloy and heat-treated prior to thread rolling and machining

They are heat-treated prior to thread rolling and machining and are rated at a whopping 190

Ball and Socket Flange Exhaust Header Reducers These Speedmaster valve springs arePut together your own custom exhaust system with these Speedmaster collector reducers. Reducer assemblies allow you to connect various sized exhaust tubing to your header, minimizing fabrication.