Extreme Duty Flexplate - SFI SBF 157T - Int. Bal.

The PRW Industries Extreme Duty Flexplate - SFI SBF 157T with internal balance is a premium-grade flexplate engineered for high-performance Small Block Ford engines running aftermarket crankshafts. This 157-tooth steel flexplate delivers the durability and precision required in competitive and street-performance applications where stock components fall short of reliability demands.

Built to SFI 29.1 specification, this internally balanced flexplate is manufactured from durable steel and rated for extreme duty use. The 157-tooth count ensures proper engagement with modern starter motors while the internal balance design integrates counterweight functionality directly into the component, reducing overall rotating mass and improving responsiveness. The flexplate's robust construction accommodates the higher loads and sustained RPM environments common in modified engines, transmission swaps, and forced-induction builds. Its design specifically supports aftermarket Small Block Ford crankshafts, making it essential for engine builders and enthusiasts executing comprehensive drivetrain upgrades.

This component serves engine builders, performance shops, and serious DIY enthusiasts upgrading Small Block Ford platforms. Whether assembling a street performance engine, a competition build, or a complete powertrain replacement, this SFI-certified flexplate eliminates concerns about stock component limitations. The internally balanced configuration appeals to builders prioritizing weight reduction and precise balance in high-RPM applications where drivetrain harmonics directly affect engine durability and performance consistency.

SFI certification provides documented safety compliance for racing and high-performance road use. PRW Industries positions this flexplate as the choice for builders who demand verified quality and real-world tested reliability in extreme-duty environments where component failure poses significant risk to engine integrity and vehicle safety.