Chevy SBC 350 7.250" Internal SFI-Rated Fluid Damper Harmonic Balancer They are designed to ensure

They are designed to ensure belt retention at high rpm

These Speedmaster aluminum pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs

The Speedmaster 9" solid pinion bearing spacer kit is designed to retain the pinion depth settings for greater strength and reliability

The Speedmaster Billet Command Centre sump kit uses the stock low-pressure

don't forget to get the correct transmission yoke for your application

Chevy SBC 350 7.250" Internal SFI-Rated Fluid Damper Harmonic Balancer They are designed to ensureSpeedmaster harmonic balancers are crafted from high quality steel and feature a tuned elastomer for optimal engine performance. They include a strong bonding process, easy to read timing marks, and an advanced design to absorb engine vibrations, extending the life of the crankshaft and bearings for enhanced power and torque.