3-Bolt Flange Exhaust Header Reducers They're designed with performance in

They're designed with performance in mind

Turbo 400 Billet Aluminum Forward Drum & Billet Input Shaft (with Modified Lube Circuit) The torque converter lube holes have been removed from the shaft to deliver superior strength

They are designed to fit a variety of applications

Those Speedmaster headers feature 3/8 in

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

3-Bolt Flange Exhaust Header Reducers They're designed with performance inPut 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.