Pulleys

Underdrive pulleys are a great way to free up horsepower to improve your vehicle's performance. They reduce the power used to turn accessories so that extra power can be used at the transmission. Choose an underdrive pulley from JEGS, BBK, Holley, SLP and more! JEGS also carries a full line of dress-up auto pulleys and serpentine style auto pulley conversion kits from Billet Specialties and March Performance for your Ford, Chevy (SBC Pulleys and BBC Pulleys) - other GM and Mopar vehicles.

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Timing Chains & Pulleys Pulleys

JEGS Performance Products 5" V-Belt Alternator Pulley Billet Aluminum


5" V-Belt Alternator Pulley
  • Billet Aluminum
  • Hard Anodized
  • Single Groove
  • Fits Most GM & Ford Alternators w/ .6563" Diameter Shaft
  • Made in the USA
  • $27.99
    Ships Today
    Lowest Price Guarantee
    (1)

    JEGS Performance Products Crank Pulley Shims for Small Block Chevy


    Crank Pulley Shims
  • Small Block Chevy
  • Made in the USA
    Includes:
  • (1) 1/16" Aluminum Shim
  • (1) 5/64" Aluminum Shim
  • (1) 1/8" Aluminum Shim
  • $16.99
    Ships Today
    Lowest Price Guarantee
    (2)




    JEGS Performance Products Crank Pulley Shims for Big Block Chevy


    Crank Pulley Shims
  • Big Block Chevy
  • Made in the USA
    Includes:
  • (1) 1/16" Aluminum Shim
  • (1) 5/64" Aluminum Shim
  • (1) 1/8" Aluminum Shim
  • $16.99
    Ships Today
    Lowest Price Guarantee