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Mobile Repair Magic

The PolyForce™ Belt Tensioner mobile repair kit contains everything you need to identify & easily assemble a brand new belt tensioner in minutes, wherever you go!  Minimal investment allows you to stock nearly every heavy duty tensioner in this small, portable toolbox kit.

Polyforce mobile repair kit

What’s included?

Included in the PolyForce™ Belt Tensioner mobile kit are:

14 Housing Assemblies
5 Arms (3 different)
6 Pulleys
Required Tools

pulleys, arms and housing

Simple Assembly

Kit Masters has made it easy, again. By simply assembling three components, you can build a complete, better-than-OEM quality belt tensioner. Watch our step-by-step instruction video to see just how easy it is.

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simple assembly

Premium Belt Tensioners

PolyForce Belt Tensioners’ unique, longer-lasting polymer torsion system sets them apart from the competition.  They are available in a modular system or as complete units.

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polyforce premium belt tensioners

2 year, 200,000 mile warranty

2 Year / 200,000 Mile Warranty

All PolyForce™ Belt Tensioners are backed by Kit Masters’ rock-solid 2 year / 200,000 mile warranty. That’s TWICE as long as the competitor’s warranty!