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.

Individual Products Product Groups
Timing Chains & Pulleys Pulleys


March Performance Replacement Alternator From Small Block Sport Track Kits


Replacement Alternator
  • From Small Block Sport Track Kits
  • For Long Water Pumps
  • 105Amp 1 Wire
  • Black Powder Coat
  • With Fan
  • $129.99
    Ships Monday
    FREE Shipping
    Lowest Price Guarantee



    March Performance Performance Ratio V-Belt Crank Pulley 2-Groove


    Performance Ratio V-Belt Crank Pulley
  • 2-Groove
  • 6-1/2'' Diameter
  • $108.99
    Estimated to ship directly from the manufacturer on 05/31/18
    FREE Shipping
    Lowest Price Guarantee


    March Performance Water Pump Pulley Ford FE


    Water Pump Pulley
  • Ford FE
  • 2-Groove
  • 6 3/4" Diameter
  • $105.99
    Estimated to ship directly from the manufacturer on 05/31/18
    FREE Shipping
    Lowest Price Guarantee



    March Performance *BLEM - Replacement Alternator From Small Block Sport Track Kits


    *BLEM - Replacement Alternator
  • From Small Block Sport Track Kits
  • For Long Water Pumps
  • 105Amp 1 Wire
  • Black Powder Coat
  • With Fan
  • Blemished
  • $129.99
    $65.00
    ON SALE - $64.99 OFF
    Ships Monday
    Lowest Price Guarantee


    March Performance High Water Flow Ratio V-Belt Crank Pulley 4-Groove


    High Water Flow Ratio V-Belt Crank Pulley
  • 4-Groove
  • 6-1/4'' Diameter

  • $105.99
    Estimated to ship directly from the manufacturer on 05/31/18
    FREE Shipping
    Lowest Price Guarantee

    March Performance Water Pump Pulley 1981-85 Buick 3.8L


    Water Pump Pulley
  • 1981-85 Buick 3.8L
  • Turbo and Non-Turbo
  • 3-Groove V-Belt
  • 6-1/4" Diameter
  • Black Powdercoat
  • $105.99
    Estimated to ship directly from the manufacturer on 05/31/18
    FREE Shipping
    Lowest Price Guarantee










    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
  • $15.99
    Ships Monday
    Lowest Price Guarantee
    (2)

    Speedmaster Drive Crank Spacer 1/2"


    Drive Crank Spacer
  • To Convert Gilmer Drive Kits From Short Water Pump to Long Water Pumps (Small Block Chevy)
  • 1/2''
  • $12.80
    Ships Monday
    Lowest Price Guarantee
    (3)


    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 Monday
    Lowest Price Guarantee
    (1)


    March Performance Serpentine Power Steering Pulley Keyway (5/8" Bore)


    Serpentine Power Steering Pulley
  • Keyway (5/8" Bore)
  • 5-groove Serpentine
  • 5.910" diameter
  • Silver Powdercoat
  • $55.99
    Estimated to ship directly from the manufacturer on 05/30/18
    Lowest Price Guarantee