Red Shift Dual Piston Cam Chain Tensioners are a must-have for all Twin Cam® performance applications! Red Shift Dual Piston Cam Tensioners are a direct bolt-in replacement for the stock single-piston hydraulic cam chain tensioners. The dual piston design dramatically improves chain stability and valve train control for both the front and rear cylinders, and is a noticeable upgrade even on an unmodified engine. The benefits of the system include improved throttle response, increased horsepower and torque, reduced valve train noise and extended lifespan of all of the valve train components. Patent pending #13/017.821.

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