Briggs & Stratton World Formula Racing Engines

Dominate the tracks with Briggs & Stratton World Formula racing engines! These complete engine packages balance the latest in design and technology—providing racers with a consistent, low-maintenance, and low-cost platform in which to sharpen their driving skills and chassis setup. Briggs & Stratton World Formula racing engine specs and features: * Primary use: Karting, Microstocks, Faskarts, Junior Sprint, Short Course Trophy Karts, and Quarter Midgets * Engine is hand-built and tested in their skunk-works * Reinforced, cast iron sleeved, dual ball bearing racing cylinder * Single cast, custom aluminum alloy cylinder head with kidney bean combustion chamber, custom seat/guide material, and CNC-machined intake D-port * 2024 billet aluminum rod with reinforced I-beam * Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear * Cam ground, barrel faced, eutectic alloy domed piston with 3-piece ring set with chrome faced top ring * .308 max. lift ground cam with stellite-faced lobes and built-in mechanical compression release * Dual high silicon valve springs * High-grade stainless steel dished valves with nitrited exhaust * Three-piece automotive style keepers and reinforced rocker arm and lock ball * PVL Digital ignition with built in rev limiter Show Less