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  1. Billet Pro Shop LIGHTWEIGHT 100mm Idler Pulley
    $64.95

    CNC machined from aero space grade aluminium, heavy-duty double sealed bearing is precision-fit into the bore. This pulley will insure a better belt wrap thus less chances of belt slippage.

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  2. Billet Pro Shop Shelby GT500 90mm Auxiliary Idler Kit
    $169.99

    CNC machined from aero space grade aluminium, heavy-duty double sealed bearing is precision-fit into the bore. This pulley will insure a better belt wrap thus less chances of belt slippage. Includes matching mounting bracket.

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  3. Billet Pro Shop Shelby GT500 90mm Auxiliary Idler Kit for 4.0L Whipple
    $169.95

    Newly designed bracket for the 4.0L Whipple. CNC machined from aero space grade aluminium, heavy-duty double sealed bearing is precision-fit into the bore. This pulley will insure a better belt wrap thus less chances of belt slippage. Includes matching mounting bracket.

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  4. GT500 LIGHTWEIGHT AC BELT 76MM SMOOTH IDLER
    $69.95

    This idler is a stock size replacement for Ford Part # 7R3Z8678A. BPS pulleys are hard black anodized to ensure a durable and long lasting finish. They also come preinstalled with premium bearings. As much as this pulley can benefit the hardcore racer, this pulley is top quality and would make an excellent add-on to any show car. This pulley is also a direct replacement for the drive belt tensioner.

    Weight comparisons:

    Ford: 442g (0.97 lb)

    Billet Pro Shop: 178g (0.39 lb)

    *Please install with retaining clip facing the front of the car.

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  5. Billet Pro Shop GT500 LIGHTWEIGHT 90MM SMOOTH IDLER
    $69.95

    This idler is a direct replacement for Ford Part # 7R3Z8678A. BPS pulleys are hard black anodized to ensure a durable and long lasting finish. They also come preinstalled with premium bearings. As much as this pulley can benefit the hardcore racer, this pulley is top quality and would make an excellent add-on to any show car.

    Note* This idler measures 90mm compared to the stock 76mm pulley. Although it is larger, we still manage to save weight; all while giving more belt wrap!

    Weight comparisons:

    Ford: 442g (0.97 lb)

    Billet Pro Shop: 296g (0.65 lb)

    This idler can be used as a replacement for the 2 idlers on the factory bridge bracket on the 2003-2004 SVT Cobra.

    Fits:

    • 2007-2014 Ford SVT Shelby GT500
    • 2003-2004 Ford SVT Cobra
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  6. Billet Pro Shop GT500 Lightweight THUMP TENSIONER PULLEY
    $69.95

    This idler is a stock size replacement for the steel GT500 Thump Tensioner pulley. Our pulleys are hard black anodized to ensure a durable and long lasting finish. They also come preinstalled with premium bearings.

    Weight comparisons:

    Thump: 478g (1.05lb)

    Billet Pro Shop: 220g (0.5 lb)

    *Please install with retaining clip facing the front of the car.

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  7. Billet Pro Shop GT500 Single Belt Setup
    $1,895.95

    The ultimate setup to free up every bit of HP out of your engine.

    Our Single belt drive setup deletes the accessory belt along with its pulleys and transfers the alternator to the passenger side. This in hand will also require you to delete the mechanical water pump, hydraulic power-steering (if applicable), factory oil cooler and factory lower radiator hose.

    Included in this package is:

    -BPS Passenger Side Alternator Brackets

    -New Previous Gen. Ford Alternator

    -BPS 10% or 25% Underdrive 10 Rib Alternator Pulley

    -Meziere Water Pump

    -Oil filter adapter with modded water neck

    -BPS Water Pump High Tension idler (W/ Ceramic bearings)

    -BPS Water Pump Bracket

    -All necessary mounting hardware

    NOTE: THIS PACKAGE REQUIRES MODIFICATION OF THE THERMOSTAT HOUSING AND CUSTOM HOSE ROUTING. WILL NOT FIT WITH ELECTRONIC POWER-STEERING.

    *INTENDED FOR RACECARS ONLY*

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