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 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 designs

Specifications:

• Steel
• Number of Grooves-0,10, 0
• Contact Surface- Smooth/Backside, V-Ribbed Grooved, Smooth/Backside
• Belt/Sprocket Width- 40, 40.5, 32 mm
• Bearing Inside Diameter- 30, 30, 17 mm
• Bearing Outside Diameter- 75, 74, 70 mm