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  • AWARDED the Best Belt Tensioner for HEMI Engines

No More Belt Slip or Breakage
We’re sort of experts on serpentine belt problems on HEMI engines. We’ve broken five a day on more than one occasion.

On our 900+ horsepower MoparMax Maulin’ Magnum the extreme torque and power overwhelmed any OEM style tensioner we tried. We broke a bunch of tensioners too, as the power of the engine and the demands of racing subjected OEM style tensioners to flex, twist and bending forces.

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