Hop Up Kit, 420 Predator OHV & 13/15hp Clone, Stage 4 Our Price: $1,149.00 Header, RLV NRR5438; GX160, GX200, 6.5 OHV Clone, & 212 Predator; Mini Bike Down-Draft Style Our Price: $34.99 Stud Kit, Side Cover with Solid Dowels: GX200, 6.5 OHV Clone, & 212 Predator Our Price: $19.57 Hop Up Kit, 212 Predator OHV (Non-Hemi), Stage 1 Our Price: $56.93 Engine Kit, GX390/420, 440cc, +.200 Cast Crank, 90mm Cast Piston Our Price: $313.00 Hop Up Kit, 212 Predator Hemi, Stage 4 Our Price: $494.00