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Belts and Pulleys

Belts and Pulleys

Belts and Pulleys

Circle Track Belts & Pulleys at JJ Motorsports

Optimize power transfer and accessory drive efficiency in your circle track engine with high-performance belts and pulleys from JJ Motorsports. Designed for durability in demanding racing conditions, these components ensure reliable operation of water pumps, power steering, alternators, and oil pumps, reducing slippage and maintaining consistent RPMs for IMCA, USMTS, late models, modifieds, and street stocks.

Shop trusted brands like Allstar Performance for shim kits, Jones Racing Products for V-belt systems, and KRC Power Steering for serpentine setups. Explore related categories such as Circle Track Crankshaft Pulleys for engine upgrades or Circle Track Water Pump Pulleys for cooling system enhancements.

Top Circle Track Belts & Pulleys

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Pro Series Serpentine Pulley Kit 30% w/Idler KRC37453000

    KRC Pro Series Serpentine Pulley Kit 30% w/Idler KRC 37453000

    KRC POWER STEERING

    $463.00
    A quality serpentine pulley system is fundamental to reliable engine accessory drive performance, especially in high-output or forced induction applications where standard pulleys can slip or wear prematurely. The KRC Pro Series delivers a 30% underdrive...
    KRC37453000
    SKU:
    KRC37453000
    Availability:
    Ships Same Business Day
    Weight:
    4.85 LBS
    MFG Part #:
    KRC 37453000
    $463.00
    Qty in Cart: 0
    Quantity:
    Price:
    $463.00
    Subtotal:
  • Pro Series Serpentine Pulley Kit 1:1 w/Idler KRC37451000

    KRC Pro Series Serpentine Pulley Kit 1:1 w/Idler KRC 37451000

    KRC POWER STEERING

    $511.10
    Direct-drive serpentine pulley systems deliver more accurate accessory belt ratios and eliminate slippage, giving you consistent power delivery and precise control over your Small Block Chevy's auxiliary systems. The 1:1 ratio ensures your water pump,...
    KRC37451000
    SKU:
    KRC37451000
    Availability:
    Ships Same Business Day
    Weight:
    5.23 LBS
    MFG Part #:
    KRC 37451000
    Qty in Cart: 0
    Quantity:
    Price:
    $511.10
    Subtotal:
  • Serpentine Pulley Kit Pro Series SBC KRC36403000

    KRC Serpentine Pulley Kit Pro Series SBC KRC 36403000

    KRC POWER STEERING

    $240.52
    A serpentine pulley system is critical for maximizing accessory drive efficiency and eliminating belt slip under sustained boost or high RPM conditions. The KRC Pro Series delivers precision-engineered billet construction that resists deflection while...
    KRC36403000
    SKU:
    KRC36403000
    Availability:
    Ships Same Business Day
    Weight:
    2.27 LBS
    MFG Part #:
    KRC 36403000
    $240.52
    Qty in Cart: 0
    Quantity:
    Price:
    $240.52
    Subtotal:
  • Pro Series Serpentine Pulley Kit 15% KRC36401500

    KRC Pro Series Serpentine Pulley Kit 15% KRC 36401500

    KRC POWER STEERING

    $240.52
    The KRC Pro Series Serpentine Pulley Kit delivers a 15% reduction in pulley diameter, increasing belt speed and improving accessory drive efficiency on your Small Block Chevy engine. This translates to better alternator charging, enhanced water pump...
    KRC36401500
    SKU:
    KRC36401500
    Availability:
    Ships Same Business Day
    Weight:
    2.36 LBS
    MFG Part #:
    KRC 36401500
    $240.52
    Qty in Cart: 0
    Quantity:
    Price:
    $240.52
    Subtotal:
  • Serpentine Pulley Kit w/SBC Head Mount KRC36351500

    KRC Serpentine Pulley Kit w/SBC Head Mount KRC 36351500

    KRC POWER STEERING

    $228.48
    A serpentine pulley kit is essential for any Small Block Chevy build seeking reliable accessory drive efficiency and a clean engine bay aesthetic. The KRC head-mount design eliminates complications with traditional bracket systems, while billet aluminum...
    KRC36351500
    SKU:
    KRC36351500
    Availability:
    Ships Same Business Day
    Weight:
    2.26 LBS
    MFG Part #:
    KRC 36351500
    Qty in Cart: 0
    Quantity:
    Price:
    $228.48
    Subtotal:
  • 6.0in 6-Rib Pulley Alum P/S Pump KRC20017600

    KRC 6.0in 6-Rib Pulley Alum P/S Pump KRC 20017600

    KRC POWER STEERING

    $116.64
    If you're running a serpentine belt system on a high-performance engine, your power steering pulley needs to match the precision and durability of every other component under the hood. The KRC 6.0in 6-Rib Pulley delivers reliable belt tracking and smooth...
    KRC20017600
    SKU:
    KRC20017600
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MFG Part #:
    KRC 20017600
    $116.64
    Qty in Cart: 0
    Quantity:
    Price:
    $116.64
    Subtotal:
  • 4.2in 3-Rib Alum. P/S Pump Pulley KRC20015300

    KRC 4.2in 3-Rib Alum. P/S Pump Pulley KRC 20015300

    KRC POWER STEERING

    $92.60
    If you're running a high-performance serpentine drive system, your power steering pulley needs to be as reliable as every other component on your engine. This KRC 4.2-inch aluminum pulley delivers consistent belt engagement and minimal deflection under...
    KRC20015300
    SKU:
    KRC20015300
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    MFG Part #:
    KRC 20015300
    $92.60
    Qty in Cart: 0
    Quantity:
    Price:
    $92.60
    Subtotal:
  • V-Belt Pulley 6.0in for KRC Alum. Pumps KRC20011000

    KRC V-Belt Pulley 6.0in for KRC Alum. Pumps KRC 20011000

    KRC POWER STEERING

    $115.45
    If you're running a KRC aluminum power steering pump, this pulley is your direct bolt-on replacement for maintaining consistent belt drive and steering response under sustained load. The 6.0-inch diameter and single-groove design are engineered to match...
    KRC20011000
    SKU:
    KRC20011000
    Availability:
    Ships Same Business Day
    Weight:
    0.76 LBS
    MFG Part #:
    KRC 20011000
    $115.45
    Qty in Cart: 0
    Quantity:
    Price:
    $115.45
    Subtotal:
  • Pulley Water Pump HTD 37 tooth JRPWP-6104-37A

    Jones Racing Pulley Water Pump HTD 37 tooth WP-6104-37A

    JONES RACING PRODUCTS

    $98.53
    A quality water pump pulley is essential for maintaining proper coolant circulation and engine temperature control under sustained load—critical whether you're on the track or pushing your build to the limit. The Jones Racing WP-6104-37A delivers...
    JRPWP-6104-37A
    SKU:
    JRPWP-6104-37A
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    MFG Part #:
    WP-6104-37A
    $98.53
    Qty in Cart: 0
    Quantity:
    Price:
    $98.53
    Subtotal:
  • Drive Spacer 1-1/8in ID x 1/16in OAL JRPSP-6103-G-A-.0625

    Jones Racing Drive Spacer 1-1/8in ID x 1/16in OAL SP-6103-G-A.0625

    JONES RACING PRODUCTS

    $5.42
    Precision crank mandrel alignment is essential for balanced rotating assemblies and consistent performance. This Jones Racing drive spacer maintains exact spacing on your mandrel, ensuring proper damper and pulley positioning without run-out issues. A...
    JRPSP-6103-G-A-.0625
    SKU:
    JRPSP-6103-G-A-.0625
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    SP-6103-G-A.0625
    $5.42
    Qty in Cart: 0
    Quantity:
    Price:
    $5.42
    Subtotal:
  • P/S Pulley HTD 40 Tooth 1in Wide Press Fit JRPPS-6106-B-40

    Jones Racing P/S Pulley HTD 40 Tooth 1in Wide Press Fit PS-6106-B-40

    JONES RACING PRODUCTS

    $86.93
    If you're running a high-performance engine or upgrading your power steering system for precision control, the Jones Racing P/S Pulley ensures reliable belt drive engagement with zero slippage. The HTD tooth profile delivers superior grip compared to...
    JRPPS-6106-B-40
    SKU:
    JRPPS-6106-B-40
    Availability:
    Ships Same Business Day
    Weight:
    0.47 LBS
    MFG Part #:
    PS-6106-B-40
    $86.93
    Qty in Cart: 0
    Quantity:
    Price:
    $86.93
    Subtotal:
  • Pulley Serpentine 6.0in P/S Press Fit JRPPS-5106-B-6.000

    Jones Racing Pulley Serpentine 6.0in P/S Press Fit PS-5106-B-6.000

    JONES RACING PRODUCTS

    $128.76
    A properly functioning power steering pulley is critical to maintaining consistent belt tension and smooth operation across your entire serpentine drive system. This Jones Racing unit delivers the precision and durability required for high-performance...
    JRPPS-5106-B-6.000
    SKU:
    JRPPS-5106-B-6.000
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    MFG Part #:
    PS-5106-B-6.000
    Qty in Cart: 0
    Quantity:
    Price:
    $128.76
    Subtotal:
  • P/S Pulley 6 Groove Serpentine 5in Press Fit JRPPS-5106-B-5.000

    Jones Racing P/S Pulley 6 Groove Serpentine 5in Press Fit PS-5106-B-5.000

    JONES RACING PRODUCTS

    $91.57
    If you're running a serpentine belt system on your race engine or performance build, you need a pulley that matches your power steering pump's demands without sacrificing reliability or precision. The Jones Racing P/S Pulley delivers OEM-quality...
    JRPPS-5106-B-5.000
    SKU:
    JRPPS-5106-B-5.000
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MFG Part #:
    PS-5106-B-5.000
    $91.57
    Qty in Cart: 0
    Quantity:
    Price:
    $91.57
    Subtotal:
  • Pulley V-Belt 6.0in P/S Press Fit JRPPS-3106-B-6.000

    Jones Racing Pulley V-Belt 6.0in P/S Press Fit PS-3106-B-6.000

    JONES RACING PRODUCTS

    $70.68
    A properly functioning power steering pulley is critical to maintaining consistent belt drive efficiency and steering responsiveness under high-performance conditions. This Jones Racing pulley delivers reliable power transmission with...
    JRPPS-3106-B-6.000
    SKU:
    JRPPS-3106-B-6.000
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    PS-3106-B-6.000
    $70.68
    Qty in Cart: 0
    Quantity:
    Price:
    $70.68
    Subtotal:
  • Jones Racing Oil Pump Pulley HTD 40 Tooth 1-1/4in Wide JRPOP-6103-40-1-1/4

    Jones Racing Oil Pump Pulley HTD 40 Tooth 1-1/4in Wide JRPOP-6103-40-1-1/4

    JONES RACING PRODUCTS

    $90.41
    Precision oil pump timing is critical to maintaining consistent lubrication under high-RPM racing conditions, and a quality HTD pulley ensures reliable belt drive engagement without slippage or deflection. The Jones Racing Oil Pump Pulley delivers the...
    JRPOP-6103-40-1-1/4
    SKU:
    JRPOP-6103-40-1-1/4
    Availability:
    Ships Same Business Day
    Weight:
    0.47 LBS
    MFG Part #:
    OP-6103-40-1 1/4
    $90.41
    Qty in Cart: 0
    Quantity:
    Price:
    $90.41
    Subtotal:
  • Oil Pump Pulley HTD 38 Tooth 1-1/4in Wide JRPOP-6103-38-1-1/4

    Jones Racing Oil Pump Pulley HTD 38 Tooth 1-1/4in Wide OP-6103-38-1-1/4

    JONES RACING PRODUCTS

    $86.93
    A precision oil pump pulley is critical for maintaining consistent belt drive synchronization and oil system reliability at high RPM. Jones Racing's HTD design ensures positive engagement without slippage, protecting your engine's lubrication under...
    JRPOP-6103-38-1-1/4
    SKU:
    JRPOP-6103-38-1-1/4
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    MFG Part #:
    OP-6103-38-1-1/4
    $86.93
    Qty in Cart: 0
    Quantity:
    Price:
    $86.93
    Subtotal:
  • Pulley Serpentine 4in Dia Direct Mnt SBC JRPDH-5102-G

    Jones Racing Pulley Serpentine 4in Dia Direct Mnt SBC DH-5102-G

    JONES RACING PRODUCTS

    $94.94
    A properly engineered crankshaft pulley is essential for reliable serpentine belt drive operation and accurate engine timing. The Jones Racing 4-inch pulley delivers direct-mount simplicity for Small Block Chevy applications, eliminating installation...
    JRPDH-5102-G
    SKU:
    JRPDH-5102-G
    Availability:
    Ships Same Business Day
    Weight:
    0.82 LBS
    MFG Part #:
    DH-5102-G
    $94.94
    Qty in Cart: 0
    Quantity:
    Price:
    $94.94
    Subtotal:
  • Pulley Crankshaft HTD 20 Tooth 1in Wide JRPCS-6102-B-20

    Jones Racing Pulley Crankshaft HTD 20 Tooth 1in Wide CS-6102-B-20

    JONES RACING PRODUCTS

    $66.04
    The Jones Racing Pulley Crankshaft HTD 20 Tooth is engineered for precise belt drive synchronization in forced induction and accessory drive systems where timing accuracy directly impacts performance and reliability. This CNC-machined aluminum pulley...
    JRPCS-6102-B-20
    SKU:
    JRPCS-6102-B-20
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    CS-6102-B-20
    $66.04
    Qty in Cart: 0
    Quantity:
    Price:
    $66.04
    Subtotal:
  • Pulley Crankshaft V-Belt 4in 1.125in ID JRPCS-3102-D-A-4

    Jones Racing Pulley Crankshaft V-Belt 4in 1.125in ID CS-3102-D-A-4

    JONES RACING PRODUCTS

    $66.21
    A quality crankshaft pulley is essential for reliable belt drive operation and proper accessory power delivery. The Jones Racing CS-3102-D-A-4 delivers precision engineering with billet aluminum construction, ensuring durability under high-RPM conditions...
    JRPCS-3102-D-A-4
    SKU:
    JRPCS-3102-D-A-4
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    MFG Part #:
    CS-3102-D-A-4
    Qty in Cart: 0
    Quantity:
    Price:
    $66.21
    Subtotal:
  • Alum. Fan Washer 4.0in Dia. JRPBG-9108-E

    Jones Racing Alum. Fan Washer 4.0in Dia. BG-9108-E

    JONES RACING PRODUCTS

    $16.47
    A properly aligned serpentine belt system is critical to reliable engine operation, and this Jones Racing aluminum fan washer ensures your belt maintains precise tracking under load. The 4.0-inch diameter design works with your cooling fan pulley to...
    JRPBG-9108-E
    SKU:
    JRPBG-9108-E
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    BG-9108-E
    Qty in Cart: 0
    Quantity:
    Price:
    $16.47
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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