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
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    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 Ship Date: 10/30/17
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    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
  • $94.68
    $92.90
    ON SALE - $1.78 OFF
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    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
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    (1)



    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
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    (3)