Briggs & Stratton 206 Engine Hand-built in Milwaukee, WI. using tooling and dies specifically for racing for unparalleled repeatability. Factory sealed short-block with ground cam and controlled piston pop-up (reducing compression variance) Simplified IKF/WKA rule set designed to maintain a stock configuration right down to the factory shipped carburetor jets. This is NOT todays standard Animal rule set. HIGHLIGHTED FEATURES: * Dual Ball-Bearing, RACING Reinforced Cylinder * Squeeze-Cast, T-7 Treated, Racing Rod * Ground Cam w/ Compression Release * High-Silicon Valve Springs * PVL Digital Ignition System * Racing Only Intake Port * Walbr Round - Slide Carburetor * Dana Fire-Ring Head Gasket (Animal Only) * Racing Crankshaft w/ Induction-Hardened Crankpin * Federal Mogul Cam Ground, Barrel-Faced Piston * Chrome-Faced, Racing Ring Package * Nitrited Dished Exhaust Valve * Automotive 3-Piece Valve Retainer System * Beefy Rocker Arm Stud Nuts * Carbon Steel Crankshaft w/induction hardened crankpin We also offer engine Prep / set up & tuning for $100.00 Extra