world formula engine package briggs & stratton

RACING SPECIFICS Dual ball bearing block Electric start Specially cam ground, barrel-faced, moly coated domed piston Chrome-faced top ring Dual valve springs 3-piece automotive-style keepers Dished valves Nitrided exhaust valve Cast aluminum manifold with rubber mounting flange Racing designed combustion chamber ? air filter D-shape intake port Premier? clutch with quick change sprocket set (16-17 tooth) Billet aluminum rod Walbro? round slide carburetor GENERAL SPECS Model/Type: 124435 8101-01 Displacement: 12.48 Cu. in -- 200 cc Slant, 30 degree Overhead Valve Design Dual ball bearing Cylinder Dura-Bore ? Cast Iron Cylinder Sleeve Bore: 2.6875/2.6885 in. Stroke: 2.2 in. Compression Ratio: 9.7 to 1 Factory Timing: 28 degrees BTDC Recommended Oil capacity: 20 ounces