We highly recommend shipping with FedEx,
We will not be responsible for any packages sent USPS
MOST ORDERS SHIP OUT SAME DAY IF PLACED BY 2PM EST.



Header, RLV NRR5438, GX200, GX160, 6.5 Chinese OHV, & 212 Predator, Mini - Bike Down Draft Style Engine Kit, GX390/420, 420 cc kit, +.200 Billet Crank, 88mm Forged Piston
Same as a RLV 5438 but bent so that it kicks out to the right side. Allows it to fit most Mini Bikes.

420cc Engine kit for GX390s with Forged Crankshaft and Forged Piston

Engine, Racing, Super Stock, Honda GX390 Hop Up Kit - GX240, GX270, 9/11hp OHV, & 301, Stage 1
Big Block specially prepared for mild racing and for off-road applications that need more power than our Factory Stock offers

Basic kit for improving the performance of GX270 & 270/301cc OHVs. Simple to install, you can expect significant performance increases

Engine Kit, GX390, 420cc , +.200 Cast Crank, 88mm Cast Flattop Engine Kit, 180cc, GX160 + .160", Stroker Kit
420cc Engine kit for GX390s with stock bore. Includes rotating assembly

180cc Stroker Kit : (+.160") for GX160s. Bolt in kit