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!
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Jones Racing Pulley Crankshaft V-Belt 4in 1.125in ID CS-3102-D-A-4
JONES RACING PRODUCTS
$66.21A 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
$66.21 -
Coleman SBC Alum Lower Pulley DS-364-2L
COLEMAN MACHINE
$98.99A quality lower pulley is critical for reliable serpentine belt drive on any small block Chevy engine—it maintains proper belt tension and ensures consistent accessory engagement under load. This Coleman aluminum pulley delivers precision engineering in...COLDS-364-2L- SKU:
- COLDS-364-2L
- Availability:
- Ships Same Business Day
- Weight:
- 1.82 LBS
- MFG Part #:
- DS-364-2L
$98.99 -
Coleman Pulley Lower 1:1 Ratio DS-364
COLEMAN MACHINE
$101.99A properly matched crankshaft pulley is essential for maintaining correct engine timing and accessory drive ratios—mismatched pulleys lead to accessory belt slip, alternator undercharging, and water pump cavitation. The Coleman Pulley Lower DS-364...COLDS-364- SKU:
- COLDS-364
- Availability:
- Ships Same Business Day
- Weight:
- 1.84 LBS
- MFG Part #:
- DS-364
$101.99 -
Allstar Performance 1:1 Crank Pulley ALL31094
ALLSTAR PERFORMANCE
$96.99Keep your Small Block Chevy running at peak efficiency with the Allstar Performance 1:1 Crank Pulley (ALL31094) — a precision-crafted component built for serious racers and weekend warriors alike. The durable gray anodized aluminum construction delivers...ALL31094- SKU:
- ALL31094
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MFG Part #:
- ALL31094
$96.99 -
Jones Racing HTD Crankshaft Pulley 25 Tooth 1-1/8 ID 1/8in Key CS-6102-AS-25
JONES RACING PRODUCTS
$71.84HTD crankshaft pulleys are critical for precise belt drive synchronization in forced induction and accessory drive systems—this Jones Racing unit delivers the accuracy and durability you need for consistent performance. Built from aluminum and black...JRPCS-6102-AS-25- SKU:
- JRPCS-6102-AS-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$71.84
