Engine Kit, 180cc, GX160 + .160", Stroker Kit Our Price: $297.00 Flywheel, Billet, 6626, 212 Predator Hemi, Kohler 212 Our Price: $120.00 Engine Kit, GX390/420, 420cc, +.200 Billet Crank, 88mm Forged Piston Our Price: $923.00 Header, RLV 3-Stage Pipe (Large), Thick Flange, For Open & Modified GX200, 6.5 OHV, and 212 Predator Our Price: $48.90 Hop Up Kit, 224cc Predator, Stage 1 Our Price: $59.33 Engine Kit, 214cc, 2.225 (+.060) Stroker, 2.756 Bore Our Price: $245.00