MMX 15% Underdrive Hellcat Dampener/Balancer Shell
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MMX is proud to announce our new 15% underdrive accessory drive balancer shell for ATI and MMX Harmonic Balancers/Dampeners!
Use less engine power to turn your alternator, A/C compressor, water pump, and power steering pump with this 15% reduction ACC drive shell! This is a direct fit onto existing ATI STD, 10% and MMX 7% Hellcat Balancers/Dampeners