Briggs & Stratton Animal Crate Engines

Performance by design, Animal crate engines by Briggs & Stratton are one of their most popular racing engines--a hidden asset for your next snowcross or kart race. Each Animal racing engine is assembled by master small engine technicians and tested in their skunk-works in Milwaukee, WI. Briggs & Stratton Animal crate engines feature: * Primary use: karting * Dual ball bearing, racing-reinforced cylinder * Squeeze-cast, T-7 treated racing rod * Ground cam with compression release * High-silicon valve springs * PVL digital ignition system * Racing-only intake port * Walbro round (slide carburetor) * Dana Fire-Ring head gasket * Racing crankshaft with induction-hardened crankpin * Federal Mogul cam ground, barrel-faced piston * Chrome-faced, racing-only ring package * Nitrited dished exhaust valve * Automotive 3-piece valve retainer system * Beefy rocker arm stud nuts Show Less