Chevy SBC 350 2Pc Rms 168 Tooth 11" Internal Balance Heavy Duty Flexplate Get all of the performance

Get all of the performance that your engine can produce with these durable pushrods designed especially for high-lift cams

and the reverse lockout mechanism eliminates the chance of transmission damage from accidentally shifting into reverse

While the GM 8

Although the GM heads are good pieces

This feature is sometimes called an air gap design

Chevy SBC 350 2Pc Rms 168 Tooth 11" Internal Balance Heavy Duty Flexplate Get all of the performanceSpeedmaster flexplates make excellent upgrades to your stock design. They feature extra thick steel that's double welded to the ring gear for added strength. Speedmaster flexplates will withstand the extreme power and rpm of today's engines.