Hop Up Kit, 460cc (10-Bolt) Engines Our Price: $1,284.00 Engine Kit, 218cc for Non-Hemi Predator Our Price: $256.00 Engine Kit, 218cc for Hemi Predator Our Price: $256.00 Hop Up Kit, GX200 & 6.5 OHV Clone, Stage 1 Our Price: $52.31 Header, BSP Pipe with RLV Mini 91 Our Price: $55.37 Header, RLV NRR5438, GX200, Mini Bike Down-Draft Style, Minimum Qty of 24 Our Price: $31.49