The longest lasting belt tensioners in the industry. Engineered to exceed demanding OEM requirements.  In laboratory tests,  Green Stripe® DriveAlign® heavy-duty tensioners lasted up to three times longer than competitive aftermarket tensioners. So, pretty much the Superman of drive tensioners. .

• Patented Design - provides superior belt alignment and tension for improved drive efficiency and life
• Patented Damping Mechanism - provides maximum stability, reducing vibration and increasing the life of belt, tensioner and other accessory drive components
• Twin rows of bearings carry more load and last up to three times longer than two individual bearings
• Includes chrome-silicone torsion spring for less flex-fatigue than flat-wire design

Application Summary: Autocar, International, Kenworth, Peterbilt