Crankshaft Pulleys
Circle Track Crankshaft Pulleys at JJ Motorsports
Enhance accessory drive efficiency and reduce parasitic loss with precision crankshaft pulleys from JJ Motorsports. Available in V-belt and serpentine designs with various ratios, these lightweight aluminum pulleys ensure optimal belt tension and RPM matching for water pumps, alternators, and power steering in demanding IMCA, USMTS, and dirt oval racing conditions for late models, modifieds, and street stocks.
Shop trusted brands like Jones Racing Products for billet aluminum pulleys and Allstar Performance for 1:1 ratio options. Explore related categories such as Circle Track Water Pump Pulleys for matching components or Circle Track Belts and Pulleys for complete drive systems.
Top Circle Track Crankshaft Pulleys
- Jones Racing 4.250in Crank Pulley Dual Dowel CS-5102-WC-H – Crankshaft Pulley, Serpentine, 6-Rib, 4.250 in Diameter, 1 in Mandrel, Dual Dowel, Aluminum, Black Anodized, Each.
- Jones Racing Pulley Crankshaft V-Belt 5in 1in ID CS-3102-C-B-5 – Crankshaft Pulley, V-Belt, 1 Groove, 5.000 in Diameter, 1 in Mandrel, 1/8 in Keyway, Billet Aluminum, Black Anodized, Universal, Each.
- Allstar Performance 1:1 Crank Pulley ALL31084 – Crankshaft Pulley, V-Belt, 2 Groove, 6.625 in Diameter, 1 to 1, Aluminum, Natural, Short Water Pump, Small Block Chevy, Each.
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
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Jones Racing 4.250in Crank Pulley Dual Dowel CS-5102-WC-H
JONES RACING PRODUCTS
$92.73A quality crankshaft pulley is fundamental to engine reliability and accessory drive performance. The Jones Racing 4.250in Crank Pulley delivers precision machining and dual-dowel construction to eliminate harmonic vibration and ensure consistent belt...JRPCS-5102-WC-H- SKU:
- JRPCS-5102-WC-H
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MFG Part #:
- CS-5102-WC-H
$92.73Qty in Cart: 0Quantity:Price:$92.73Subtotal: -
Jones Racing Pulley Crankshaft V-Belt 5in 1in ID CS-3102-C-B-5
JONES RACING PRODUCTS
$77.26A quality crankshaft pulley is fundamental to reliable engine operation—it drives your accessory belt system and directly impacts power delivery to critical components like your alternator and water pump. The Jones Racing CS-3102-C-B-5 delivers precision...JRPCS-3102-C-B-5- SKU:
- JRPCS-3102-C-B-5
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- CS-3102-C-B-5
$77.26 -
Allstar Performance 1:1 Crank Pulley ALL31084
ALLSTAR PERFORMANCE
$49.99Keep your Small Block Chevy running at peak efficiency with the Allstar Performance 1:1 Crank Pulley (ALL31084) — a precision-machined aluminum pulley built to deliver reliable, consistent power transfer right where you need it. Designed specifically for...ALL31084- SKU:
- ALL31084
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- MFG Part #:
- ALL31084
$49.99 -
Allstar Performance Crank Pulley 2 Groove 4.750in Dia ALL31030
ALLSTAR PERFORMANCE
$94.99Keep your Small Block Chevy running at peak performance with the Allstar Performance ALL31030 Crank Pulley — a precision-crafted aluminum piece built for reliability and efficiency. The dual-groove design gives you the flexibility to run multiple...ALL31030- SKU:
- ALL31030
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MFG Part #:
- ALL31030
$94.99 -
1:1 Pulley Combo with Belts for Small Block Chevy Short Water Pump – CNC Machined Aluminum
J J MOTORSPORTS
$99.95A 1:1 pulley ratio eliminates the cooling compromises that come with oversized or undersized pulleys—keeping your Small Block Chevy running at optimal temperatures while preserving engine output. These CNC machined aluminum pulleys are engineered with...RCFL-5061- SKU:
- RCFL-5061
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$99.95 -
1:1 Pulley Combo for Small Block Chevy Short Water Pump – CNC Machined Aluminum
J J MOTORSPORTS
$79.95Cooling performance directly impacts engine reliability and longevity, especially under sustained racing conditions. This 1:1 pulley combo maintains optimal water pump speed while minimizing parasitic loss—critical for high-revving Small Block Chevy...RCFL-5062- SKU:
- RCFL-5062
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$79.95 -
Jones Racing Pulley Crankshaft HTD 25 Tooth 1in Wide CS-6102-B-25
JONES RACING PRODUCTS
$71.84Precision timing is everything in high-performance racing, and your crankshaft pulley is the critical interface between your engine's timing system and forced induction setup. The Jones Racing HTD 25 Tooth pulley delivers the accuracy and durability you...JRPCS-6102-B-25- SKU:
- JRPCS-6102-B-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
$71.84 -
KRC Serpentine Crank Pulley 4in R-Lok KRC 38240000
KRC POWER STEERING
$76.96The KRC Serpentine Crank Pulley is engineered for racers and high-performance builders who demand reliability under extreme conditions. Its R-Lok drive system eliminates slippage and ensures consistent accessory drive performance, whether you're running...KRC38240000- SKU:
- KRC38240000
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
$76.96 -
KRC Serpentine Crank Pulley 3.0 KRC 38230000
KRC POWER STEERING
$68.53The KRC Serpentine Crank Pulley 3.0 is engineered for builders who demand reliable accessory drive performance without compromise. Its compact 3.0-inch diameter and R-Lok drive system deliver consistent belt engagement and minimal parasitic loss, making...KRC38230000- SKU:
- KRC38230000
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
$68.53 -
KRC Serpentine Crank Pulley 2.5 KRC 38225000
KRC POWER STEERING
$52.90The KRC Serpentine Crank Pulley is engineered for builders who demand reliability in high-RPM environments. Its compact 2.5-inch diameter and optimized R-Lok drive system eliminate slippage under sustained load, while the aluminum construction keeps...KRC38225000- SKU:
- KRC38225000
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$52.90 -
Jones Racing HTD Crankshaft Pulley 22 Tooth 3/16in Dual Dowel CS-6102-WC-22
JONES RACING PRODUCTS
$70.68The Jones Racing HTD Crankshaft Pulley delivers precision timing control for forced induction and high-RPM applications where belt slip and harmonic vibration can cost you performance. Its dual dowel pin design eliminates rotational play, ensuring your...JRPCS-6102-WC-22- SKU:
- JRPCS-6102-WC-22
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$70.68 -
Jones Racing HTD Crankshaft Pulley 34 Tooth 1-1/8 ID 1/8in Key CS-6102-AS-34
JONES RACING PRODUCTS
$82.29A precision crankshaft pulley is essential for maintaining accurate belt synchronization and preventing slippage under high RPM conditions. The Jones Racing HTD design delivers reliable power transmission for forced induction systems, superchargers, and...JRPCS-6102-AS-34- SKU:
- JRPCS-6102-AS-34
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$82.29 -
Jones Racing Crank Pulley Serpentine 3.25in CS-5102-D
JONES RACING PRODUCTS
$66.04A quality crank pulley is critical for maintaining proper belt tension and accessory drive reliability, especially in high-RPM applications where harmonic balance matters. The Jones Racing CS-5102-D delivers precise diameter tolerances and a secure...JRPCS-5102-D- SKU:
- JRPCS-5102-D
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$66.04Qty in Cart: 0Quantity:Price:$66.04Subtotal: -
Aluminum Pulley R9481
RACING POWER CO-PACKAGED
$73.99A quality crankshaft pulley is critical for reliable belt drive operation and accessory performance in any Small Block Chevy engine. The Aluminum Pulley R9481 delivers precision engineering with a lightweight aluminum construction that reduces parasitic...RPCR9481- SKU:
- RPCR9481
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- MFG Part #:
- R9481
$73.99 -
Aluminum Pulley R9480
RACING POWER CO-PACKAGED
$51.99A lightweight aluminum crankshaft pulley reduces rotational mass and improves engine response, making it an essential upgrade for any small block Chevy build prioritizing efficiency and performance. The R9480's precision-engineered single-groove design...RPCR9480- SKU:
- RPCR9480
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MFG Part #:
- R9480
$51.99 -
Peterson Fluid HTD Pulley 18 Tooth Spline Drive 06-1218
PETERSON FLUID
$58.99A quality crankshaft pulley is critical for maintaining precise belt synchronization and minimizing harmonic vibration in high-performance engines. The Peterson Fluid HTD 18-tooth pulley delivers repeatable accuracy with a spline-drive design that...PTR06-1218- SKU:
- PTR06-1218
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- 06-1218
$58.99 -
Peterson Fluid HTD Crank Driven Pulley 05-1233
PETERSON FLUID
$75.99A properly matched crankshaft pulley is essential for accurate belt drive timing and consistent accessory performance—whether you're running a street engine or a dedicated race build. The Peterson Fluid HTD Crank Driven Pulley delivers...PTR05-1233- SKU:
- PTR05-1233
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- MFG Part #:
- 05-1233
$75.99 -
Peterson Fluid HTD Crank Driven Pulley 05-1225
PETERSON FLUID
$57.99A precision crankshaft pulley is fundamental to reliable belt drive synchronization in high-performance engine builds. The Peterson Fluid HTD Crank Driven Pulley delivers the accuracy and durability required for forced induction systems, supercharger...PTR05-1225- SKU:
- PTR05-1225
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- MFG Part #:
- 05-1225
$57.99 -
Peterson Fluid HTD Crank Driven Pulley 05-1222
PETERSON FLUID
$50.99A properly matched crankshaft pulley is critical for accurate belt synchronization and reliable accessory drive performance. The Peterson Fluid HTD Crank Driven Pulley ensures precise timing and consistent power delivery to your alternator, water pump,...PTR05-1222- SKU:
- PTR05-1222
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MFG Part #:
- 05-1222
$50.99 -
Peterson Fluid HTD Crank Driven Pulley 05-1221
PETERSON FLUID
$54.99The Peterson Fluid HTD Crank Driven Pulley is engineered for precision belt drive systems that demand reliable power transmission and minimal slippage. Whether you're running a supercharger, alternator, or water pump off your crankshaft, this pulley...PTR05-1221- SKU:
- PTR05-1221
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 05-1221
$54.99
