Engine Kit, GX390, 414cc, +.160 Honda Crank, 88mm Cast Flat-Top Our Price: $485.00 Hop Up Kit, 212 Predator Hemi, Stage 2 Our Price: $247.00 Engine Kit, GX270, 292cc (+.160) Stroker, Q (1" Shaft) Our Price: $367.00 Hop Up Kit; GX340 to GX390, 420 Predator, & 13/15hp OHV; Stage 1 Our Price: $44.91 Gasket Kit/Engine Set, GX120 UT2: Genuine Honda Our Price: $31.29 Engine Kit, 202cc, 2.186 (+.060) Stroker, 2.68 Bore, Honda Crank & Piston Our Price: $291.00