Vortex Racing Steel Front Countershaft Sprocket - 15T / 520 Pitch (Part Number: 3288-15)

Optimize your motorcycle's drivetrain efficiency and throttle responsiveness with the precision-engineered Vortex Racing Steel Front Countershaft Sprocket. Machined to incredibly tight tolerances from high-carbon chromoly steel alloy, this 15-tooth sprocket delivers exceptional structural integrity, perfect concentricity, and long-lasting durability under demanding street and track conditions. [1, 2, 3]

Vortex implements advanced induction hardening across its steel sprocket lineup to significantly reduce surface friction and prevent tooth hooked wear. Additionally, the sprocket features an specialized Vortex Nickel plating coating to fend off rust, corrosion, and environmental degradation. To maximize acceleration performance, strategically drilled lightening holes reduce parasitic rotating mass without sacrificing structural core strength. Whether you are performing a standard OE replacement or executing a lightweight 520 performance chain conversion, this sprocket ensures smooth, quiet power transmission straight to the rear wheel. [1, 2, 3, 4, 5, 6]

This front drive sprocket features a specialized spline footprint engineered primarily for Kawasaki Ninja sport bike transmissions. It serves as a direct fit or part of a 520 pitch conversion kit for the following applications: [1, 2, 3]