Briggs & Stratton 206 crate engines are factory-sealed long blocks with ground cams and controlled piston pop-up (reducing compression variance). These budget-friendly mills feature a simplified IKF/WKA rule set designed to maintain a stock configuration, right down to the factory-shipped carburetor jets. Simply put: the 206 engines even the playing field so that drivers can focus on the important task at hand--winning the race!Briggs & Stratton 206 crate engine features and specs:* Primary use: Karting, Microstocks, Jr. Drag Racing* Engines are assembled by hand in Milwaukee, WI using tooling and dies specifically designed for racing for unparalleled repeatability* Reinforced, cast iron sleeved, dual ball bearing racing cylinder* Single cast, custom aluminum alloy cylinder head with high-flow intake port, custom seat/guide material* Squeeze cast, T-7 heat-treated aluminum rod with reinforced I-beam* Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear* Cam ground, barrel-faced, eutectic alloy piston with 3-piece ring set with chrome faced top ring* .255 max. lift ground cam with nitrited lobes and built-in mechanical compression release* High-silicon, racing-engineered valve springs* High-grade stainless steel dished valves with nitrited exhaust* 3-piece, automotive-style keepers and reinforced rocker arm and lock ball* PVL digital ignition with built-in 6,100 rpm rev limiter* PVL steel hub, cast aluminum flywheel* Briggs & Stratton tooled 22mm round slide, fully adjustable jet carburetor* Custom graph oil composition head gasket
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