JET Underdrive Pulley Kits

3.75 out of 5 stars 12 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 )

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

JET Underdrive Pulley Kits 90105

Pulleys, Serpentine, Steel, Black, Chevy, Small Block/90 Degree V6, Pair

Part Number: JET-90105

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits 90143

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

Part Number: JET-90143

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Estimated Ship Date: Monday 12/1/2025

JET Underdrive Pulley Kits 90104

Pulley Set, Serpentine, Steel, Black, Chevy, GMC, 7.4L/454, Set

Part Number: JET-90104

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits 90500

Pulley Set, Serpentine, Steel, Black, Dodge, Pickup, 3.9/5.2/5.8L, Set

Part Number: JET-90500

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits for 2000-2001 NEON - 90121

Crankshaft Pulley, Performance Ratio, Serpentine, Steel, Black, Dodge, Plymouth, Neon, Each

Part Number: JET-90121

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

JET Underdrive Pulley Kits for 1991-1998 240SX - 90139

Crankshaft Pulley, Underdrive, Billet Steel, Black, Nissan, 240SX, Each

Part Number: JET-90139

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

JET Underdrive Pulley Kits 90103

Pulley Set, Serpentine, Steel, Black, Ford, Mercury, SUV, Pickup, Passenger Car, 4.9, 5.0, 5.8L, L6, V8, Set

Part Number: JET-90103

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits 90108

Pulley Set, Serpentine, Steel, Black, Chevy, Pontiac, S-Series, 2.8L, V6, Set

Part Number: JET-90108

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Crankshaft Pulley, Performance Ratio, Serpentine, Steel, Black, Each

Part Number: JET-90114

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits for 1990-1994 BERETTA, 1994 GRAND AM - 90115

Crankshaft Pulley, Performance Ratio, Serpentine, Steel, Black, Chevy, Pontiac, 2.3, 3.8L, Each

Part Number: JET-90115

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits for 1996-2001 CAVALIER - 90118

Crankshaft Pulley, Performance Ratio, Serpentine, Steel, Black, Each

Part Number: JET-90118

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits for 1995-1999 CONTOUR - 90122

Crankshaft Pulley, Performance Ratio, Serpentine, Steel, Black, Each

Part Number: JET-90122

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits for 1993 GRAND AM, 1992-1996 GRAND PRIX - 90124

Pulley Set, Serpentine, Steel, Black, Pontiac, 2.3/3.3/3.4L, Set

Part Number: JET-90124

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits for 1996-2000 S10, SONOMA - 90126

Crankshaft Pulley, Serpentine, Steel, Black, Chevy, GMC, Pickup, 2.2L, Each

Part Number: JET-90126

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits for 1993-1997 CAMARO, 1994-1996 CAPRICE, 1993-1996 FIREBIRD - 90140

Pulley Set, Serpentine, Steel, Black, Chevy, Pontiac, 5.7L, Set

Part Number: JET-90140

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

JET Underdrive Pulley Kits for 1995-1997 COUGAR, 1994-1998 MUSTANG, 1990-1997 THUNDERBIRD - 90149

Pulley Set, Serpentine, Steel, Black, Ford, Mercury, 3.8L, Set

Part Number: JET-90149

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

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