Ball and Socket Flange Exhaust Header Reducers Speedmaster offers these HEI Upgrade

Speedmaster offers these HEI Upgrade kits for your stock distributor

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

They also feature a 5 axis CNC machined rear cover

When rebuilding high performance or heavy-duty transmissions

which is molded over and vulcanized to a rigid steel frame

Ball and Socket Flange Exhaust Header Reducers Speedmaster offers these HEI UpgradePut 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.