underdrive pulley system - colorado starter homes new c470 west

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underdrive pulley system?

Sep 30, 2009 by FAZZIO | Posted in Maintenance & Repairs

what is it/does it do? is it a stock engine part?

Smaller crank pulley with larger accessory pulleys

It reduces torque required by accessories on crank and "under-drives" the accessories.

Aftermarket parts.

alex_713 | Sep 30, 2009

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