POWERBOND PRODUCT. ALL POWERBOND PRODUCT ARE MADE LOCALLY IN AUSTRALIA. HOLDEN COMMODORE VT VX VY VZ LS1 LS2 V8. 1 X 25% UNDERDRIVE RACE BALANCE. All serpentine belt engines benefit from under-driving the accessory pulleys to reduce parasitic power losses from the alternator, air conditioning, water pump and power steering at high engine RPMs.
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