Automatic Belt Tensioner Goodyear 55431 crew-cab 7 V8 1997 - 2007

7 V8 1997 - 2007 Ford F-150 281/4

Inlets & Outlet Ports: -8 AN O-Ring Boss

5L/V8 1963 - 1964 Dodge 440 3

Chevrolet C20 Pickup (1966-1971)

This optimized design yields up to an incredible 10HP and 15 lb-ft of torque even without any additional modifications

Automatic Belt Tensioner Goodyear 55431 crew-cab 7 V8 1997 - 2007Overview: Goodyear Belts tensioner and pulley product line has been designed to provide complete support for an engines belt drive. Modern engines belt drives are very reliable and work tirelessly transferring power from an engines crankshaft to all the important accessories that keep a vehicle running and driving as smoothly and comfortably down the road. High mileage engines tend to lose efficiency from worn ball bearings, improper tension, and