Underdrive Crankshaft Pulley Ford Duratec 146mm Trigger
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20% off first order
$339.00
Color
Black
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Description
For Ford Duratec and Mazda MZR Engines, an underdrive pulley is used to reduce accessory drive belt, water pump, and alternator speeds.
On competition engines, excessive alternator speed wastes power, and water pumps can cavitate at high s...