Chevy SBC 350 400 BBC 454 2PC RMS 11" 168 Tooth DNA Billet Black Oxide SFI Flywheel On the outside we've added

On the outside we've added a heavy-duty

block for added strength

Speedmaster aluminum timing covers offer a strong

The air flowing under the plenum provides a cooler charge for the incoming air with less heat transfer from the engine

street-rod applications and more

Chevy SBC 350 400 BBC 454 2PC RMS 11" 168 Tooth DNA Billet Black Oxide SFI Flywheel On the outside we've addedSpeedmaster billet steel flywheels are fully CNC machined from a high tensile aircraft material billet steel. The high carbon steel material is incredibly strong and can withstand the rigors of the most extreme engines, drivers, and road conditions. Grab one of these Speedmaster billet steel flywheels for the durability and performance that you demand.