Street Bike Connecting Rods and Parts

A worn or damaged connecting rod compromises power delivery, reliability, and engine longevity on your YZ85. The PROX Connecting Rod Kit delivers OEM-quality construction with all necessary components included, eliminating the need to source parts...

A connecting rod is the critical link between your crankshaft and piston—and its integrity directly impacts engine reliability and power delivery. The PROX Connecting Rod Kit for Yamaha YZ450F delivers OEM-quality construction with a complete assembly...

A connecting rod is critical to engine longevity and reliability—it transfers combustion force from the piston to the crankshaft, and any wear or damage directly impacts performance and engine life. The PROX Connecting Rod Kit for Kawasaki KX450 delivers...

A connecting rod is critical to your engine's reliability—it transfers combustion force from the piston to the crankshaft while enduring extreme RPM and load cycles. The PROX Connecting Rod Kit for KTM 350SX delivers OEM-quality precision engineering in...

A connecting rod failure can end your race day—or worse, your engine. The PROX Connecting Rod Kit for KTM 450SX delivers the reliability and precision you need when you're pushing peak RPMs in the most demanding conditions. This complete assembly arrives...

The connecting rod is mission-critical to engine reliability—it transfers combustion force from the piston to the crankshaft, and any weakness here will cost you races and repair bills. PROX's complete kit eliminates the guesswork by supplying everything...

A connecting rod kit is the critical link between your crankshaft and piston—any weakness here directly impacts power delivery, engine longevity, and reliability under extreme conditions. The PROX 03.6366 comes complete and ready to install, eliminating...