Header, RLV NRR5438, GX200, Mini Bike Down-Draft Style, Minimum Qty of 24 Engine Kit, GX390/420, 420cc, +.200 Billet Crank, 88mm Forged Piston
Stud Kit, Head: GX200, 6.5 OHV Clone, & 212 Predator Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 1
Engine Kit, 180cc, GX160 + .160", Stroker Kit Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 2