SBF 331 Rotating Assembly Ext. Balance

The SCAT Enterprises SBF 331 Rotating Assembly External Balance is designed for serious small-block Ford engine builders who demand maximum reliability in high-performance applications. This complete rotating assembly serves as the foundation for stroker and high-rpm builds, ensuring that factory components are not a limiting factor. Whether you're constructing a street machine, track car, or competition engine, this assembly simplifies the process by eliminating the need for custom harmonic balancer and flexplate modifications.

The external balance of this assembly means that counterweights are integrated into the crankshaft, harmonic balancer, and flexplate as a matched set, providing superior durability at elevated engine speeds. SCAT Enterprises utilizes premium forged steel components that are engineered to withstand aggressive power levels and sustained rpm ranges, pushing the limits of stock designs. The 331 cubic-inch displacement is an excellent choice for both forced-induction builds and naturally aspirated performance engines, delivering strong low-end torque while maintaining top-end capability.

Engine builders and performance shops trust SCAT's externally balanced assemblies for their competition engines, knowing they are receiving precision-engineered components that are ready to perform. This rotating assembly includes the crankshaft, connecting rods, and pistons, providing everything necessary to replace your engine's heart with proven parts. With SCAT's reputation for quality, you can be confident in the performance and reliability of your build.