RS-4 STAINLESS/ALUMINUM FULL SYSTEM: The work that went into developing the RS-4 muffler design paid big dividends in 2010 with Ryan Dungey winning the AMA 450 Supercross and Motocross Championship series as a rookie in the same year, and again in 20..
NO Discounts Exhaust Camshaft This cam is intended to be used as a set with the #2220-2IN intake cam. This set will provide improved torque at all RPM, much improved peak torque and increased peak horsepower. KX250F 11-16..
Hot Cams Stage 2: Dual cam engine. Intake and exhaust cams sold separately. Good mid range to top end increase with low end equal to stock under 6,800 RPM. Cam uses stock auto-decompression mechanism. Uses stock valve springs.RMZ250 16-18 Exhaust..