• BBK 15550 Underdrive Performance Pulley Kit - CNC Machined Aluminum 8-Rib for Ford F Series Truck, Expedition 4.6L, 5.4L - 3 Piece

    BBK Aluminum 8-Rib Under drive Pulley Kit for Ford F-Series/Expedition 4.6L/5.4L - 3 Piece is made from aircraft quality aluminum alloy. These BBK under drive front accessory pulley kits are one of the easiest ways to free up an average of 8-15 horsepower in under 30 minutes. These BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics.

    • Brand: BBK Performance
    • ASIN: B000CITD12
    • UPC: 197975155504

  • JET 90108 Performance Underdrive Pulley Kit

    JET Performance under drive Pulley Kit offers easy horsepower and torque increases for your vehicle. It provides an exclusive full range tuning of the air/fuel ratio, ignition advance and various other parameters. Each tune is track and dyno tested to ensure the most possible horsepower from each application without effecting drivability or fuel economy. The JET power-shift chips combines all the benefits of the stage 2 performance chip with improved shift firmness and improved shift points.

    • Brand: Jet Performance
    • ASIN: B0069ZBU7C
    • UPC: 064330013376

  • JET 90106 Performance Underdrive Pulley Kit

    JET Performance under drive Pulley Kit offers easy horsepower and torque increases for your vehicle. It provides an exclusive full range tuning of the air/fuel ratio, ignition advance and various other parameters. Each tune is track and dyno tested to ensure the most possible horsepower from each application without effecting drivability or fuel economy. The stage 1 chips are designed for using lower octane fuels. The stage 2 chips are designed for using 89 or higher octane, improved air intake system, improved exhaust and will work well with a 180 degree t-stat. The stage 2 will also work well with aftermarket mass air sensors, tbi spacers, etc.

    • Brand: Jet Performance
    • ASIN: B003BNC7SG
    • UPC: 064330013352

  • JET 90126 Performance Underdrive Pulley

    JET Performance under drive Pulley offers easy horsepower and torque increases for your vehicle. It provides an exclusive full range tuning of the air/fuel ratio, ignition advance and various other parameters. Each tune is track and dyno tested to ensure the most possible horsepower from each application without effecting drivability or fuel economy. The stage 1 chips are designed for using lower octane fuels. The stage 2 chips are designed for using 89 or higher octane, improved air intake system, improved exhaust and will work well with a 180 degree t-stat. The stage 2 will also work well with aftermarket mass air sensors, tbi spacers, etc.

    • Brand: Jet Performance
    • ASIN: B001CHA8LQ
    • UPC: 064330034326

  • BBK 1553 Underdrive Pulley Kit for Ford Mustang 5.0L - 3 Piece Lightweight CNC Machined Aluminum Kit

    BBK Aluminum Under drive Pulley Kit for Ford Mustang 5.0L - 3 Piece features BBK under drive front accessory pulley kits. They are one of the easiest ways to free up an average 8-15 horsepower in under 30 minutes. These BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics.

    • Brand: BBK Performance
    • ASIN: B000CITD0S
    • UPC: 197975015532

  • DFJ Performance Underdrive Pulley Kit Mitsubishi Lancer Evolution EVO VII VIII IX 7 8 9

    DFJ pulleys have been designed for budget minded racers without sacrificing quality or reliability. Made from the highest quality 6061 aluminum billet. Lightweight design means your engine spools up faster for better acceleration. Increase both horsepower and torque throughout the rev-band. Lifetime warranty. Notes: Underdrive factory belt layout; Includes crank, alternator, and water pump pulleys. Fits: 96-97 Mitsubishi Lancer Evo IV 2.0L DOHC 16V Turbo AWD Auto,Manual CN9A 4G63T; 98-99 Mitsubishi Lancer Evo V 2.0L DOHC 16V Turbo AWD Auto,Manual CP9A 4G63T; 99-00 Mitsubishi Lancer Evo VI 2.0L DOHC 16V Turbo AWD Auto,Manual CP9A 4G63T; 01-02 Mitsubishi Lancer Evo VII 2.0L DOHC 16V Turbo AWD Auto,Manual CT9A 4G63T; 03-05 Mitsubishi Lancer Evo VIII, Evo VIII MR 2.0L DOHC 16V Turbo AWD Auto,Manual CT9A 4G63T; 06-07 Mitsubishi Lancer Evo IX, MR 2.0L DOHC 16V Turbo AWD Auto,Manual CT9A

    • Brand: DFJ Performance
    • ASIN: B079Z2HLK3
    • UPC: 600164925494

  • OBX Performance Underdrive Crank Pulley Lexus GS300 IS300 SC300 POLISH

    This is for ONE POLISH COLOR OBX Performance Racing Underdrive Crank Pulley. 1993-02 Lexus GS300 3.0L 2001-05 Lexus IS300 3.0L 1992-00 Lexus SC300 3.0L 1993-98 Toyota Supra Turbo / Non Turbo 3.0L No Belt Included. Designed to replace the OEM crank pulley, OBX Underdrive Crank Pulleys designed to be lighter than the stock pulley. By reducing the rotational mass, the engine uses less power to turn the crankshaft which translates into more available horsepower and torque. We also have silver,blue, and red colors available. This pulley weighs approximately 1 pound where as the stock one weighs a little over 8 pounds. With the savings in rotating mass, this will net you about 7 to 11 hp depending on current mods you have on the car. The engine response is also improved with this piece. By utilizing the process of under-driving, parasitic drag from vehicle accessories can be minimized to free up even more power. OBX Underdrive Pulleys are a great upgrade for any driver to realize the full potential of his prized vehicle. Comes With OBX Limited Life Time Warranty.

    • Brand: OBX Racing Sports
    • ASIN: B00U32FX4S

  • Jet Chips 90105 Underdrive Pulley Set

    Adds HorsepowerFits V6 - 4.30L ModelIncreased Fuel EconomyBetter AccelerationOne Piece Billet Steel ConstructionReduced Drag From Power Robbing Accessories

    • Brand: Jet Performance
    • ASIN: B0018CQSCI
    • UPC: 064330013345