72mm Tillotson Block (extra webbing, bracing, and thicker material is built into the casting producing a superior block to any other) Bore : 72mm / 2.835" Crank : 55mm / 2.165" 265 Lift Tillotson Racing Cam (wide power band, great for mini bikes and yard-karts, equipped with compression release) Forged Rod with bearings Forged, Lightweight Racing Piston Tillotson Race Head (Large Ports) 27mm Intake Valve 25mm Exhaust Valve 26lb Valve Springs Heavy Duty Retainers with Automotive style keepers 22mm Aftermarket Mikuni Carburetor (jetting and tuning will be close but some adjustment may be required) Tillotson Racing Coil ARC Billet Flywheel Governor Removed
