Gasket Kit/Engine Set, GX120 UT2: Genuine Honda Our Price: $31.29 Hop Up Kit, GX390 & 13/15hp OHV, Stage 3 Our Price: $407.00 Hop Up Kit, GX200 & 6.5 OHV Clone, Stage 2 Our Price: $245.00 Hop Up Kit, 224cc Predator, Stage 1 Our Price: $61.49 Engine Kit, GX270, 292cc (+.160) Stroker, Q (1" Shaft) Our Price: $367.00 Hop Up Kit, 212 Predator OHV (Non-Hemi), Stage 3 Our Price: $356.00