Engine Kit, 202cc, 2.186 (+.060) Stroker, 2.68 Bore, Clone Crank & Piston Our Price: $226.00 Header, RLV NRR5438, GX200, Mini Bike Down-Draft Style, Minimum Qty of 24 Our Price: $31.49 Hop Up Kit, 208cc DuroMax, Stage 1 Our Price: $56.72 Engine Kit, 236cc for Tillotson 72mm Block, Stroker Kit Our Price: $229.00 Engine Kit, 180cc, GX160 + .160", Stroker Kit Our Price: $297.00 Engine Kit, 214cc, 2.225 (+.060) Stroker, 2.756 Bore Our Price: $245.00