Ford SB 289 302 351 351C Windsor 157 Tooth DNA® Billet Black Oxide SFI Flywheel They are designed to ensure

They are designed to ensure belt retention at high rpm

improved meshing to reduce tooth jump

true-roller chains teamed up with billet steel crank and cam sprockets

The Speedmaster water pump pulley shim kits contain one 1mm spacer

Ford SB 289 302 351 351C Windsor 157 Tooth DNA® Billet Black Oxide SFI Flywheel They are designed to ensureSpeedmaster 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.