JET Underdrive Pulley Kits

3.57 out of 5 stars 14 Customer Reviews

JET underdrive pulley sets reclaim lost horsepower and mileage by reducing the drag placed on the engine to drive the accessories, such as the air conditioning, pow

JET underdrive pulley sets reclaim lost horsepower and mileage by reducing the drag placed on the engine to drive the accessories, such as the air conditioning, power steering, and water pump. The pulleys slow down these accessories to allow the engine to turn with less effort without any adverse effect on the operation of A/C, power steering, charging, or cooling systems. Installation consists of simple bolt-on replacement of the stock pulleys. Kits include pulleys, hardware, complete instructions, and part number for new serpentine belt as most kits will require use of smaller size belt. Belt is not included with k

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JET Underdrive Pulley Kits for 1992-1998 RANGER - 90156

Pulley Set, Serpentine, Steel, Black, Ford, 3.0L, Set

Part Number: JET-90156

3.0 out of 5 stars ( 1 )

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JET Underdrive Pulley Kits 90143

Pulley Set, Serpentine, Steel, Black, Chevy, Small Block, Set of 3

Part Number: JET-90143

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JET Underdrive Pulley Kits for 1990-1993 BERETTA, CORSICA - 90114