ARI is proud to be your supplier of the popular Pitster Pro pit bikes. These top quality minis are a favorite among pit bike riders, pit bike racers, and recreational enthusiasts alike. At home, on the track, in the pits or as pit bike transportation, you will be glad that you purchased the best. Whether you choose the X2, X4, or X4R, you will be getting a pit bike that you can be proud of. We also carry a great selection of OEM pit bike parts for your Pitster pit bike, as well as aftermarket performance upgrades.

If you are in need of a complete engine for your pit bike, we carry a great selection of complete crate motors that include YX, GPX, Lifan, and our ARI “Works” engines. All of these pit bike engines are designed to bolt in to your XR50, XR70, CRF50, CRF70, as well as most imports pit bikes such as Pitster Pro, Sikk MX, SSR, Thumpstar, OGM, Brand X minis, SDG, Motovert and many more. You can choose from motors such as the GPX125, GPX140, GPX150, GPX160, Lifan 150 as well as our custom built big bore Works pit bike motors.

When building your own high performance pit bike race engine, ARI is the place to get the pit bike parts you need. We keep a huge selection of engine mods in stock and are more than happy to special order items for our customers as well. We keep pit bike big bore kits and stroker kits for your Honda crf50, crf70, Kawasaki klx 110, Suzuki drz110, Yamaha ttr50, ttr90, and most other popular pit bikes. 88cc bore kits, 95cc bore kits, 108 stoker kits and more are available. Check out our high quality 170cc big bore kit for the klx110 pit bike, that requires NO case boring. We also carry Big Valve race heads, the TB V2 roller rocker head, and the ARI full roller “works head”. High performance carburetors include the popular Mikuni VM26, Keihin 20mm, Mikuni 22mm, TB 28mm, etc. Our VM26 is not the Chinese Mikuni that you will find being sold on the street corner out of the back of someone’s pickup truck. This is the real Japanese Mikuni VM26. We also have other carbs in stock like Molkt, and Sheng Wey. Along with these high performance carburetors, we also have the matching high performance intake kits that allow you to get the most from your intake system. Keep the air flowing with a K&N style air filter, UNI filter, or a TB dual layer foam filter.

When in need of a great set of forks for your klx 110 pit bike we can supply you with a new set of Marzocchi Shivers or save you some cash on the nearly identical ARI KLX 110 front end kit.