Hop Up Kit, GX200 & 6.5 OHV Clone, Stage 2 Our Price: $245.00 Flywheel, Billet, 6626, 212 Predator Hemi, Kohler 212 Our Price: $120.00 Engine Kit, 263cc for Tillotson 76mm Block, Stroker Kit Our Price: $273.00 Engine Kit, 236cc for Tillotson 72mm Block, Stroker Kit Our Price: $229.00 Engine Kit, GX390/420, 440cc, +.200 Cast Crank, 90mm Cast Piston Our Price: $313.00 Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 2 Our Price: $186.00