SBF To P/G Ultra-Bell 157 Tooth

The J-W Performance SBF To P/G Ultra-Bell 157 Tooth bellhousing is a precision-engineered aluminum component designed for Small Block Ford engines paired with Powerglide transmissions. This bellhousing features a 157-tooth flexplate configuration and meets SFI 30.1 safety specifications, making it essential for high-performance street, strip, and drag racing applications where transmission compatibility and structural integrity are non-negotiable.

Constructed from aluminum with a natural finish, the Ultra-Bell design minimizes weight while maintaining the rigidity required for reliable engine-to-transmission coupling under sustained load. The 157-tooth flexplate specification ensures proper engagement with Powerglide torque converters, critical for consistent power transfer and avoiding converter slip. SFI 30.1 certification verifies that the bellhousing meets current safety standards for drag racing and high-horsepower applications, protecting the driver and spectators in the event of catastrophic failure.

This bellhousing is built for racers and performance enthusiasts running Small Block Ford power plants with Powerglide automatic transmissions. Whether you're building a dedicated drag car, off-road competition vehicle, or street machine requiring serious torque management, the Ultra-Bell adapter provides the precision fit and certified safety margin.