QuadBoss® Aluminum Sprague Carriers replace the weak factory unit with a more reliable aluminum version. One-year manufacturer's warranty against breakage CNC-machined from 6061 aluminum

QuadBoss® Valve Cover Gaskets are made from superior materials, designed to match O.E.M. valve cover specifications preventing leaks and lasting longer, compared to the stock covers. High...

The QuadBoss® Water Pump Mechanical Seals are direct O.E.M. replacements at a fraction of the cost. Features high-quality seal face material that performs better, combined with corrosion and...

The QuadBoss® Water Pump Rebuild Kits are designed as direct OEM replacements, they include all necessary components to restore proper coolant circulation, helping maintain optimal engine...

QuadBoss® Drive Belts are a direct O.E.M. replacement, engineered and designed from specially formulated rubber compounds and aramid cord, offering improved performance, strength, durability and...

QuadBoss® Spark Plug Wires are the perfect choice to replace worn-out, broken wires that have been exposed to harsh conditions. Ideal for replacing cracked, worn, or damaged factory wires exposed...

QuadBoss® Thermostats are a direct O.E. replacement that meets or exceeds factory specs. Installs and operates exactly like the factory unit. Helps maintain optimal engine operating temperature ...

Replace two side-by-side bearings with one double-wide angular contact bearing to increase capacity and life by 30%. Kits for all late 450cc sport ATVs. Replaces two standard bearings with one...

These CDI Boxes are designed to unleash the power and enhance overall performance. Includes duplication circuits for maximum reliability, increased RPM redline and altered ignition advance curves to...

Kit includes all face screws, tank bolts, face gasket, tank gasket, diaphragm, O-rings, wave washer, and miscellaneous components necessary to rebuild on fuel tap. Non-rebuildable, riveted Honda...