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Phathead Racing is proud to offer high quality CNC machined from billet, performance 2-stroke heads at the very best prices. We offer a complete line of high performance heads for all the popular 2-Stroke motorcycles and Yamaha Banshees. These heads increase cooling, horsepower, and allow you change compression ratio for increased performance. If you choose to run race fuel, 105+ octane, our higher compression combustion chambers will deliver an amazing amount of low and mid range horsepower. Our interchangeable combustion chambers are easy to modify and economical to replace making custom modifications inexpensive to try. We have a complete inventory of Wiseco pistons to fit big bore and flat top conversion kits.

For big bore kit modifications, machine shop services, or tuning recommendations. See




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