Performance Engine Pulleys

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    • (0 reviews)
      # sp124861
      Hi-Tech™ Roller Race Timing Set by COMP Cams®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      High quality at an affordable priceExpertly made from premium materials
      $56.93 - $1,574.68
    • (0 reviews)
      # sp103965
      Tensioner Upgrade Kit by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $271.85 - $275.05
    • (0 reviews)
      # sp85443
      Raw Aluminum Pulley Kit by March Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $168.76
    • (0 reviews)
      # sp16115
      Lower Pulley Bolt Kit by ARP®. To provide the reliability required in racing and high performance street applications, ARP offers these premium grade nominally rated 180,000 psi fasteners to securely attach the water pump and lower...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $27.98
    • (0 reviews)
      # sp94931
      Underdrive Pulley Kit by Dinan®. Always looking for new ways to add power, Dinan has developed this underdrive pulley. This pulley is a smaller diameter than stock, designed to eliminate parasitic drag from accessories by running them...
      +11 HP @ 8400 RPM / +7 lb/ft @ 8400 RPMEliminates parasitic drag from accessories
      $369.77 - $391.40
    • (0 reviews)
      # sp83409
      ARP Pulley Nut by PPE®. Replacement Pulley Nut to be used with the PPE Dual Fueler Kit. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
      Thoughtfully designed to match your diesel engine needsMade to help enhance the performance of your vehicle
      $17.99
    • (0 reviews)
      # sp19218
      Lightweight Pulley Kit by GFB®. Designed utilizing the latest technology, this product by Go Fast Bits features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $147.28 - $301.91
    • (0 reviews)
      # mpn358495580
      Accessory Drive Kit by Holley®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Made with precision and quality in mindBuilt to last
      $1,345.95
    • (0 reviews)
      # sp40003
      Performance Engine Pulley by Holley®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Made with precision and quality in mindBuilt to last
      $58.68
    • (0 reviews)
      # sp9072
      Power Pulley by aFe®. Free up some hidden horsepower with the aFe Power Pulley! The Power Pulley replaces your factory crankshaft pulley. It underdrives your engine's accessories to reduce the parasitic loss, increasing horsepower to...
      Increases horsepower and torqueDoes not modify factory harmonics or damping
      $379.05 - $474.05
    • (0 reviews)
      # sp9903
      Crank Pulley by BTP®. Get more out of your engine with this premium part! It ensures long-lasting durability and provides significant increases for your engine performance. Thanks to great design and precision engineering, this part...
      Designed for the most power and maximum performanceRight for your vehicle and lifestyle
      +1
      $18.20 - $71.04
    • (2 reviews)
      # sp9910
      Power Steering Pulley by BTP®. Get more out of your engine with this premium part! It ensures long-lasting durability and provides significant increases for your engine performance. Thanks to great design and precision engineering, this...
      Designed for the most power and maximum performanceRight for your vehicle and lifestyle
      $24.62 - $46.43
    • (0 reviews)
      # sp9916
      Pulley Nose by BTP®. Get more out of your engine with this premium part! It ensures long-lasting durability and provides significant increases for your engine performance. Thanks to great design and precision engineering, this part...
      Designed for the most power and maximum performanceRight for your vehicle and lifestyle
      $15.29 - $18.30
    • (1 review)
      # sp139423
      Pulley Set by BTP®. Get more out of your engine with this premium part! It ensures long-lasting durability and provides significant increases for your engine performance. Thanks to great design and precision engineering, this part...
      Designed for the most power and maximum performanceRight for your vehicle and lifestyle
      $198.34 - $204.52
    • (0 reviews)
      # sp125180
      Crankshaft Pulley Shim Kit by Canton Racing®. Get the most out of your racing experience with Canton Racing. Manufactured using only premium materials and advanced technologies, this product will provide you with the quality and power...
      High quality at an affordable priceExpertly made from premium materials
      $16.00
    • (0 reviews)
      # sp139215
      Supercharger Pulley by ALTA Performance®. Constructed of light weight 6061T6 aluminum, the ALTA SC pulley body decreases rotational inertia of the supercharger adding response to your engine. Holes are cross drilled through the pulley...
      Lightweight aluminum construction for adding response to your engineStainless steel clamp-on coupler
      $117.00
    • (0 reviews)
      # mpn458147983
      Tensioner Stop by ALTA Performance®. Simple! At some point in your MINI's life, the serpentine belt that drives the Supercharger and AC, will fail. When it fails, the OEM belt tensioner mechanism plunges into the crank pulley,...
      Prevents the damage of the tensioner and crank pulleyUnique design for easy installation
      $21.60
    • (1 review)
      # sp9052
      Power-Plus Series™ Crankshaft Pulley by BBK® Gain 8-15 horsepower in just 30 minutes by bolting on this Underdrive Pulley Kit. It directly replaces your factory pulley, won’t affect your charging or cooling system, and your existing...
      Reduces accessory drag for increased power to the rear wheelsBolt-on replacement for factory pulley, won’t affect charging or cooling system
      $79.99
    • (0 reviews)
      # sp2394
      Power-Plus™ Underdrive Pulley System by BBK Performance®. Made from aircraft quality machined steel or aluminum alloy these BBK under drive front accessory pulley kits are one of the easiest ways to free up an average 8-15 horsepower...
      Reduces accessory drag for increased power to the rear wheelsIncludes, crank, water pump, and alternator pulleys
      $119.99 - $249.99
    • (0 reviews)
      # sp139282
      Air Conditioning Eliminator Kit by Ford Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Designed to help you get the most out of your vehiclePerfect for use in high-performance environments
      $71.36 - $115.30
    • (0 reviews)
      # sp139283
      Billet Pulley Set by Ford Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Designed to help you get the most out of your vehiclePerfect for use in high-performance environments
      $251.31 - $270.96
    • (0 reviews)
      # sp139287
      Crankshaft Pulley Spacer by Ford Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      Designed to help you get the most out of your vehiclePerfect for use in high-performance environments
      $48.83 - $51.67
    • (0 reviews)
      # mpn584185969
      Off-Road Idler Bracket Kit by Ford Performance®. Competition air pump idler bracket for off-road use only, where air pump is not necessary. This idler is a direct bolt-on replacement for stock air pumps and uses a standard serpentine...
      Designed to help you get the most out of your vehiclePerfect for use in high-performance environments
      $116.80
    • (0 reviews)
      # sp130503
      Billet Aluminum Crankshaft Pulley by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $40.89 - $45.30
    • (0 reviews)
      # sp130515
      Crankshaft Pulley by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      +1
      $20.55 - $79.22
    • (0 reviews)
      # sp130517
      Direct Drive Pulley Set by Racing Power Company®. Billet Aluminum CNC machined. 1:1 pump/crank speed ratio. Double groove, 5.50" diameter on both pulleys. Comes with belts and 5/8" or 3/4" pump shaft adapter. This top-grade product is...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $110.21 - $123.99
    • (0 reviews)
      # sp130527
      Fox-Body Serpentine Pulleys Set by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $129.20 - $253.53
    • (0 reviews)
      # sp130528
      Fox-Body Serpentine Steering Pulleys by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $51.78 - $56.08
    • (0 reviews)
      # sp130531
      Gilmer Drive Pulley Set by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $186.72 - $211.36
    • (0 reviews)
      # sp130548
      Serpentine Pulleys Set by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $100.04 - $421.03




    In the accessory drive system, the crankshaft drives the water pump, alternator, power steering pump, A/C compressor and other accessories via an arrangement of pulleys mounted to each component and one or more drive belts. While the amount varies according to vehicle, all accessories use up horsepower – power that could be applied to your drive wheels. But there are ways to reduce your accessories’ power consumption without negatively affecting function.

    You can gain horsepower by reducing the weight of your pulleys and by changing their diameter. We offer aluminum pulleys that are much lighter than the original equipment pulleys, without any reduction in strength. These pulleys are direct replacements and require no modifications for installation. Their light weight not only results in a horsepower increase, but the reduced rotational mass also improves throttle response.

    Reducing the diameter of the crankshaft drive pulley or increasing the diameter of the driven accessory pulley underdrives the accessory, slowing its rotational speed and reducing the amount of horsepower it draws. However, the size of the pulleys must be carefully calculated so your accessories continue to operate properly. Everyone wants more horsepower, but not with adverse side effects like reduced power steering assist, an alternator that doesn’t charge the battery, or an overheated engine. Our pulley kits have been extensively tested to deliver maximum horsepower with no loss of accessory functionality.

    Using underdrive pulleys to reduce accessory drag is an easy and inexpensive way to gain as much as 15 horsepower! Each kit is engineered for the specific application, ensuring straightforward installation. Most kits are designed to use the existing serpentine belt, but a belt is supplied if a different length is required. Most lightweight and underdrive pulleys are machined from high grade aluminum alloy, some with an attractive chrome or anodized finish, so if not for the horsepower increase, you’ll want them just for an engine appearance upgrade.

    The accessories on modern vehicles are generally driven by a single serpentine belt, but older performance vehicles used multiple V-belts, and even if tensioned properly, centrifugal force would often cause these belts to jump during high RPM shifts. Then as now, the answer to this problem is a deep groove pulley, but you don’t have to spend a lot of time and money searching for an original part that may have been discontinued long ago. We can supply you with pulleys that feature deep, precision machined grooves for secure belt retention even at extreme RPM changes, and some are underdriven so you gain horsepower as well.

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    Belts & Pulleys Reviews

    Average rating:    5 - 24 reviews
    5 of 5
    Awesome!
    First of all I'd like to say the employees at CARiD are top notch! Instead of just sending what was ordered they took the time to call me to verify options on my car that would change the belt size. This type of proactive customer service is just one reason why I buy all my parts from CARiD. The product packing was great, and the contents were not loose in the box. I was able to install all the parts in about 2 hours. The results are like night and day. The car went from peak 11 psi to peak 15 psi, and with the thermostat I'm not experiencing any cooling issues. I recommend CARiD to everyone. The prices are very competitive, and the in stock selection is just insane. Fast ship times, great prices, and awesome customer service really makes ordering parts an easier experience. Thanks CARiD.
    Posted by James (Riviera Beach, FL) / July 22, 20172003 Mini Cooper
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