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 Belt Tensioners


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90 Day Guarantee

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90 DAY Replacement Guarantee

If you bend or break our Belt Tensioner.


As the manufacturer, we take special pride in the quality and performance of our Billet Aluminum Belt Tensioners.


We want you to feel secure when investing in our Billet Aluminum Belt Tensioners and also to be confident that you are buying the strongest and best Billet Aluminum Belt Tensioner in the market today.


The 90 Day Replacement Guarantee is simply what it says:

 If you bend or break our belt tensioner we will replace it at no cost to you.

Proof of purchase and return of original product are required.



Please return to:


Thump RRR Racing LLC

1275 Bloomfield Ave. #8-63
Fairfield, NJ 07004