Chevy SBC 350 6.250" Internal SFI-Rated Fluid Damper Harmonic Balancer Minor machining may be required

Minor machining may be required on some applications

An engine with a 4340 billet steel crankshaft will rev faster and cleaner due to the different harmonics produced from the high grade material

solid steel construction

Do you need a replacement master cylinder for your braking system

These mounting blocks keep your starter secured and properly adjusted

Chevy SBC 350 6.250" Internal SFI-Rated Fluid Damper Harmonic Balancer Minor machining may be requiredSpeedmaster 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.