6.2L HEMI Hellcat Overdriven Dampener/ Balancer - 7 Percent by MMX

Weight:6.0 lbs
**Please check local and State laws for emissions compliance before purchasing this product**
*Accesory Drive Size  
Please send the MMX 15% Accessory Underdrive Pulley , Add $49.95
Please send the STD Non underdrive (Stock size) Accessory Drive Pulley

Base Price: $799.95
Customized Price: $799.95

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MMX is proud to announce our new 7% Overdriven Lower DAMPENER for Hellcat, Trackhawk, Redeye, and Demon Applications! 


  • NO TIMING COVER GRINDING! Unlike other Lower Dampeners this product fits with no grinding to the timing cover or timing cover bolts! 
  • No Tuning Required! Bolt on without PCM unlock or tuning! 
  • Real Vibration Dampening. Unlike other offerings, this is a true vibration dampener. This Dampener uses parts from one of the leading harmonic dampener manufactures in the world! 
  • No Pinning Required when used with OE Clutched Upper Pulley!
What's Included: 

  • MMX Overdriven Lower Dampener with Single Key Hub (If the end user decides they want to pin the crankshaft)
  • Gates RPM Belt 
  • Crank Lock to for install of Dampener 
  • New Crankshaft Bolt 

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