Thump RRR Racing Shelby GT500 Heavy Duty Belt Tensioner

-Comes standard with a 63mm Idler

-Uses a stonger then stock 10.8 strength bolt for mounting

No more belt problems, dented hoods or wasting money on stock tensioners

• Test your car for high performance with peace of mind
• No more broken belt tensioners
• Comes standard with a 63mm Idler
• Uses a stronger than stock 10.8 strength bolt for mounting
• Heavy Duty Construction - 50% Thicker than stock tensioners
• Allows for the option of using an 10 Rib set up or an 8 rib set up
• Keeps the belt from moving, slipping increasing it's lifetime
• Highly recommended for cars with manual transmission