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Up to 25% Off Online Orders of Select Parts & Accessories. Enter Promo Code MMJ25 in Cart.

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Receive Up To 25% Off Your Online Purchase Of Select Parts and Accessories Instantly

When items are added to the cart, the discount will automatically deduct off the price of the qualifying items. Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installation, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes select products, items already on sale and MAP priced brands & items. For full category inclusions and disclaimers, See Details Here. Valid online until 11:59 PM EST on 3/3/18.

Additional Promotions Not Included in the above:

Receive 10% Off Select Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

Receive 10% Off Select Champion branded products with your online purchase. Use promotional code: CHAMP10.

Receive 10% Off Select FelPro branded products with your online purchase. Use promotional code: FELPRO10.

Proform Underdrive Pulleys 20059427
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  • Part #: 68090C|
  • SKU: 20059427

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    • This steel pulley kit reduces the drive RPM from 14% to 22% which will increase your performance.
    • May be used with the stock serpentine belt.
Retail
$59.99

Proform Underdrive Pulleys

Engine Underdrive Pulley Kit; Uses Stock Serpentine Belt; Fits 1987 to 1993 Ford Mustang 5.0 Models; Reduces Drive RPM From 14% To 22% Which Will Increase Performance; Made From High-Quality Aluminum; Blue Anodized Finish; Sold As One Kit
  • This steel pulley kit reduces the drive RPM from 14% to 22% which will increase your performance.
  • May be used with the stock serpentine belt.
Restrictions
  • WEB ORDER ONLY!


20059427

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