Get Peace of Mind With the Summit Racing Protection Plan!

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Underdrive, Serpentine, V-Belt & More Pulley Kits & Systems

Underdrive, Serpentine, V-Belt & More Pulley Kits & Systems

No matter what engine configuration and water pump size you have powering your vehicle, Summit Racing carries a top-quality performance pulley kit for your application,...

No matter what engine configuration and water pump size you have powering your vehicle, Summit Racing carries a top-quality performance pulley kit for your application, including serpentine, v-belt and underdrive pulleys. Find pulley kits for both clockwise and counterclockwise rotation and compatible with whatever your crankshaft pulley bolt-hole count is. Summit Racing has pulley kits from March Performance, Chevrolet Performance, Billet Specialties, Vintage Air, Roush Performance, Trick Flow Specialties, BBK, and more. Get yours now!

No matter what engine configuration and water pump size you have powering your vehicle, Summit Racing carries a top-quality performance pulley kit for your application, including serpentine, v-belt and underdrive pulleys. Find pulley kits for both clockwise and counterclockwise rotation and compatible with whatever your crankshaft pulley bolt-hole count is. Summit Racing has pulley kits from March Performance, Chevrolet Performance, Billet Specialties, Vintage Air, Roush Performance, Trick Flow Specialties, BBK, and more. Get yours now!

Part Groups

Results 1 - 12 of 12

Steeda Underdrive Pulleys

Steeda underdrive pulleys help you achieve more horsepower and torque—along with better gas mileage! These serpentine-style units reduce the parasitic accessory drag on your engine, slowing the speed on parts like the alternator, water pump, and crankshaft by about 25 percent. The well-built pulleys are manufactured from one-piece nodular iron, with special injection-molded rubber to limit vibrations and perform in high temperature areas. Most of Steeda's underdrive pulleys are designed for fitment in various Ford Mustang models. Order the kit tailored for your specific car, then enjoy the newfound power and fuel efficiency you've been losing with older stock components.

4.5 out of 5 stars ( 10 )

$294.95

$364.95

Summit Racing™ Underdrive Aluminum Pulley Kits

These Summit Racing™ underdrive pulley kits are designed to replace your crank-driven pulleys with an underdrive system. Not only can you gain horsepower, but you'll also get better gas mileage. They feature precision-balanced pulleys made from high quality-grade aluminum.

3.5 out of 5 stars ( 8 )

$90.99

Trick Flow® Track Max® Underdrive Harmonic Damper and Pulley Kits for Ford 4.6L

Get more power to go to the wheels and protect your accessories from high-speed burnout with Trick Flow® Track Max® underdrive harmonic damper and pulley kits for Ford 4.6L. The kits include everything you need--an underdrive crankshaft damper and pulley assembly, black powdercoated steel pulleys for the water pump and alternator, and new crankshaft and alternator bracket bolts.

5.0 out of 5 stars ( 7 )

$232.99

$299.99

BBK Underdrive Pulley Kits

BBK Performance underdrive pulley kits are built from aircraft-quality, computer-machined steel or aluminum alloy. By reducing the speed of the accessories, these underdrive pulleys free up an average of 8 to 15 hp, while retaining full cooling and charging characteristics. Most pulley kits can be bolted on in less than 30 minutes.

4.68 out of 5 stars ( 62 )

$199.99

$279.99

JET Underdrive Pulley Kits

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 kit. The number and type of pulleys will vary per application.

3.57 out of 5 stars ( 14 )

$176.99

$472.46

Dinan Underdrive Pulley Kits

Dinan underdrive pulley kits are designed to increase power by reducing the parasitic drag on your engine from spinning the alternator, water pump, and AC compressor. They accomplish this by slowing down the speed of these accessory drives that rob your engine's power. Dinan has done extensive hot-weather testing, so you can be assured that your engine is safe. The Dinan underdrive pulley is made of aircraft-quality 6061 alloy, anodized black, and engraved. Plus, they do not modify your harmonic damper as some underdrive pulley kits do, which can be harmful to your engine.

Not Yet Reviewed

$419.95

Go Fast Bits Lightweight Underdrive Pulley Kits

Go Fast Bits lightweight underdrive pulley kits are made from aircraft-grade 6061 T-6 aluminum, anodized black for a stealthy appearance with superior wear resistance, and lightened to offer faster acceleration through significant weight reduction. GFB pulley kits are designed to improve acceleration by reducing the rotational mass (inertia) on the crankshaft as well as parasitic loads from the driven accessories. The effect is similar to a lighter flywheel, and the engine feels livelier and more willing to rev. Concerned about possible adverse effects of lightweight pulleys and underdriving? Rest assured GFB has done their homework. The underdrive ratios have been optimized to ensure there are no adverse effects on the performance of the accessories, and while it is true that some engine types do suffer harmonic issues from lightweight pulleys, GFB steers clear of those. Go Fast Bits kits are thoroughly application tested and do not cause engine damage in the short or long term.

Not Yet Reviewed

$328.50

Summit Racing™ Bracket Racer SFI Damper and Pulley Kits

Our Summit Racing™ bracket racer SFI damper and pulley kits will upgrade your stock harmonic damper and increase your engine's performance. The integral harmonic damper and crank pulleys are built from high-strength carbon steel with an injection-molded and bonded elastomer, have been spin tested to 12,500 rpm, and carry an SFI 18.1 rating. The 25 percent underdriven kits also include powdercoated accessory pulleys (varies by application) to complete your engine's performance upgrade.

4.81 out of 5 stars ( 37 )

$244.99

$279.99

March Performance Chevy Small Block Serpentine Drive Kits

March Performance Chevy small block serpentine drive kits simply mount onto the front of your water pump and manifold. These pulley kits are for people with single-carbureted engines, who want to high-mount the A/C and alternator. The pulleys are precision CNC-machined from solid billet 6061 T-6 aluminum and have a maintenance-free, clear powdercoated finish. These high tensile strength pulleys will not fracture like common cast pulleys, since they were made for much longer wear. Their street rod ratio increases water flow and fan speed, which will help during critical low-speed driving.

4.5 out of 5 stars ( 18 )

$1,122.99

March Performance Ford Windsor Serpentine Kits

March Performance Ford Windsor serpentine kits are made to fit perfectly and handle high-torque and vibration. Matching serpentine pulleys are precision CNC-machined from 6061 T-6 aluminum and have a maintenance-free, clear powdercoated finish. These high-tensile strength pulleys will not fracture like common cast pulleys, since they are made for much longer wear. The high-wear areas are hard coated to "65" Rockwell (harder than steel)! Their street rod ratio increases water flow and fan speed, which is recommended for daily drivers. These kits are available for both standard and reverse-rotation water pumps and have an A/C option.

3.9 out of 5 stars ( 21 )

$738.99

March Performance Serpentine Pulleys and Pulley Sets

March's serpentine pulleys are available in a 25 percent underdrive to free up extra horsepower or a high water flow ratio to help increase cooling in those hot-running street rods. They're machined on precision CNC equipment and come in steel or aluminum. The steel pulleys are machined from tough billet steel for strength and are given a high-gloss, black powdercoated finish. The aluminum pulleys are machined from 6061-T6 billet aluminum and are given a polished finish for good looks.

4.56 out of 5 stars ( 16 )

$68.99

$1,056.99

March Performance Late GM Power and Amp Series Pulley Kits

March Performance Late GM Power and Amp Series pulleys are designed to give superb performance, while maintaining perfect electrical charging, even at idle. They create about 11 hp at the rear wheels by reducing accessory drag. These pulley kits are ideal for vehicles with high amperage needs, such as towing or heavy stop-and-go driving.

4.83 out of 5 stars ( 6 )

$120.99

$274.99

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