Crankshafts
Circle Track Crankshafts at JJ Motorsports
Convert piston motion into reliable rotational power with high-quality crankshafts from JJ Motorsports. Engineered for intense racing conditions, these forged steel cranks deliver exceptional durability and precision for Small Block Chevy, LS, and other engines in late models, modifieds, and street stocks, ensuring optimal torque and horsepower on demanding dirt ovals.
Shop trusted brands like Manley for 4340 forged options, Lunati for Voodoo series, Eagle for balanced cranks, and Scat Enterprises for high-stroke designs. Explore related categories such as Circle Track Crankshafts and Components for balancing plates or Circle Track Engines and Components for complete upgrades.
Top Circle Track Crankshafts
- Manley SBC 4340 Forged Crank 3.480 Stroke/350 mains 190310 – Crankshaft 3.480 in Stroke Internal Balance Forged Steel 2 Piece Seal Small Block Chevy Each.
- Manley SBC 4340 Forged Crank 3.480 Stroke 350 Mains 190310NB – Crankshaft 3.480 in Stroke Internal Balance Forged Steel 2-Piece Seal Each.
- GM LS 4340 Forged Crank 4.000 Stroke 70840001 – Crankshaft Voodoo 4.000 in Stroke Internal Balance Forged Steel GM LS-Series 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
-
Eagle SBF Cast Steel Crank - 3.400 Stroke 103023402
EAGLE
$332.99The Eagle SBF Cast Steel Crank with 3.400" stroke delivers the displacement and durability your Small Block Ford build demands, whether you're chasing reliable street performance or track-proven reliability. Cast steel construction provides excellent...EAG103023402- SKU:
- EAG103023402
- Availability:
- Ships Same Business Day
- Weight:
- 43.65 LBS
- MFG Part #:
- CRS103023402
$332.99Qty in Cart: 0Quantity:Price:$332.99Subtotal: -
Eagle SBF Cast Steel Crank - 3.250 Stroke 103023252
EAGLE
$316.99If you're building a Small Block Ford engine that demands reliability and proven performance, the Eagle SBF Cast Steel Crank delivers the durability you need for sustained high RPM operation. This externally balanced crankshaft is engineered for...EAG103023252- SKU:
- EAG103023252
- Availability:
- Ships Same Business Day
- Weight:
- 43.00 LBS
- MFG Part #:
- CRS103023252
$316.99 -
SBC 4340 Forged Compstar Crank - 3.335 Stroke SAX-143-CC
CALLIES
$1,238.00A forged 4340 steel crankshaft is the backbone of any high-revving SBC engine build—it handles the extreme pressures of forced induction and high-RPM operation without compromise. The Compstar Comet delivers the strength and reliability you need when...CALSAX143-CC- SKU:
- CALSAX143-CC
- Availability:
- Ships Same Business Day
- Weight:
- 47.00 LBS
- MFG Part #:
- SAX143-CC
$1,238.00 -
SBC 4340 Forged Magnum Crank - 4.000 Stroke SAO-21A-MG
CALLIES
$3,723.00Building a high-displacement small block engine demands a crankshaft that can handle increased stroke volume and the forces that come with it. The SBC 4340 Forged Magnum Crank delivers the durability and precision needed for serious power while...CALSAO21A-MG- SKU:
- CALSAO21A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 55.00 LBS
- MFG Part #:
- SAO21A-MG
$3,723.00Qty in Cart: 0Quantity:Price:$3,723.00Subtotal: -
SBC 4340 Forged Magnum Crank - 3.875 Stroke SAM14A-MG
CALLIES
$3,510.00A quality crankshaft is the foundation of reliable engine performance—and the SBC 4340 Forged Magnum Crank delivers the strength and precision you need for consistent power delivery, whether you're building a street engine or a track-ready platform...CALSAM14A-MG- SKU:
- CALSAM14A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 53.70 LBS
- MFG Part #:
- SAM14A-MG
$3,510.00Qty in Cart: 0Quantity:Price:$3,510.00Subtotal: -
SBC 4340 Forged Magnum Crank - 3.875 Stroke SAM-11A-MG
CALLIES
$3,510.00A forged 4340 steel crankshaft is the foundation of any high-performance small-block Chevy engine, and this 3.875" stroke Magnum crank delivers the strength and precision needed for sustained high-RPM operation. Whether you're building a street performer...CALSAM11A-MG- SKU:
- CALSAM11A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 53.40 LBS
- MFG Part #:
- SAM11A-MG
$3,510.00 -
SBC 4340 Forged Magnum Crank - 3.800 Stroke SAK-21A-MG
CALLIES
$3,510.00If you're building a high-displacement Small Block Chevy engine, the 3.800-inch stroke is the foundation of your power band—and this forged 4340 crank delivers the strength and precision needed to handle serious boost and aggressive cam profiles without...CALSAK21A-MG- SKU:
- CALSAK21A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 52.45 LBS
- MFG Part #:
- SAK21A-MG
$3,510.00 -
SBC 4340 Forged Magnum Crank - 3.750 Stroke SAJ21A-MG
CALLIES
$3,184.00If you're building a serious small block Chevy engine, your crankshaft is the foundation of everything. The SBC 4340 Forged Magnum Crank delivers the strength and precision required for high-RPM performance and reliability, whether you're chasing track...CALSAJ21A-MG- SKU:
- CALSAJ21A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 54.45 LBS
- MFG Part #:
- SAJ21A-MG
$3,184.00Qty in Cart: 0Quantity:Price:$3,184.00Subtotal: -
SBC 4340 Forged Compstar Crank 3.750 Stroke SAJ-213-CS
CALLIES
$1,029.00A forged crankshaft is the foundation of any reliable, high-rpm Small Block Chevy build. The Compstar 4340 forged crank delivers the strength and precision needed for sustained performance, whether you're building a street engine or a competition...CALSAJ213-CS- SKU:
- CALSAJ213-CS
- Availability:
- Ships Same Business Day
- Weight:
- 55.30 LBS
- MFG Part #:
- SAJ213-CS
$1,029.00Qty in Cart: 0Quantity:Price:$1,029.00Subtotal: -
SBC 4340 Forged Compstar Crank - 3.750 Stroke SAJ-113-CS
CALLIES
$1,029.00A forged 4340 steel crankshaft is the foundation of any high-revving Small Block Chevy engine—it's where power generation begins. The Compstar design delivers proven reliability in both street and competition applications, with the internal balance...CALSAJ113-CS- SKU:
- CALSAJ113-CS
- Availability:
- Ships Same Business Day
- Weight:
- 55.45 LBS
- MFG Part #:
- SAJ113-CS
$1,029.00 -
SBC 4340 Forged Compstar Crank - 3.750 Stroke SAJ113-CC
CALLIES
$1,238.00A quality crankshaft is the foundation of any reliable high-performance engine build, and this forged 4340 Compstar crank delivers the strength and precision you need for consistent power delivery and durability under load. The 3.750-inch stroke is a...CALSAJ113-CC- SKU:
- CALSAJ113-CC
- Availability:
- Ships Same Business Day
- Weight:
- 48.15 LBS
- MFG Part #:
- SAJ113-CC
$1,238.00Qty in Cart: 0Quantity:Price:$1,238.00Subtotal: -
SBC 4340 Forged Magnum Crank - 3.500 Stroke SAG14A-MG
CALLIES
$3,184.00Building a solid foundation for your Small Block Chevy engine starts with a reliable crankshaft that can handle sustained high RPM and aggressive boost levels. The SBC 4340 Forged Magnum Crank delivers the strength and precision you need to maximize...CALSAG14A-MG- SKU:
- CALSAG14A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 51.95 LBS
- MFG Part #:
- SAG14A-MG
$3,184.00 -
SBC 4340 Forged Compstar Crank - 3.500 Stroke SAG143-CM
CALLIES
$1,029.00If you're building a high-performance small block Chevy engine, your crankshaft is the foundation of reliability and power output. The SBC 4340 Forged Compstar Crank delivers the stroke and strength needed to handle aggressive cam profiles, forced...CALSAG143-CM- SKU:
- CALSAG143-CM
- Availability:
- Ships Same Business Day
- Weight:
- 51.45 LBS
- MFG Part #:
- SAG143-CM
$1,029.00 -
SBC 4340 Forged Compstar Crank 3.500 Stroke SAG143-CC
CALLIES
$1,238.00A forged 4340 steel crankshaft is the foundation of any reliable high-performance small block Chevy engine—it resists fatigue cracking under sustained boost and high RPM loads far better than cast alternatives. The Compstar Comet's 3.500" stroke gives...CALSAG143-CC- SKU:
- CALSAG143-CC
- Availability:
- Ships Same Business Day
- Weight:
- 46.50 LBS
- MFG Part #:
- SAG143-CC
$1,238.00 -
SBC 4340 Forged Compstar Crank - 3.500 Stroke SAG-113-CM
CALLIES
$1,029.00A quality forged crankshaft is the backbone of any reliable small block Chevy engine build. The SBC 4340 Forged Compstar Crank delivers the strength and precision needed for sustained high-RPM performance, whether you're building a street engine or...CALSAG113-CM- SKU:
- CALSAG113-CM
- Availability:
- Ships Same Business Day
- Weight:
- 23.86 LBS
- MFG Part #:
- SAG113-CM
$1,029.00Qty in Cart: 0Quantity:Price:$1,029.00Subtotal: -
SBC 4340 Forged Compstar Crank 3.480 Stroke SAF-113-CM
CALLIES
$1,029.00A quality crankshaft is the foundation of any reliable small block Chevy engine build—it's where power generation begins. The SBC 4340 Forged Compstar Crank delivers the durability and precision you need for consistent performance, whether you're...CALSAF113-CM- SKU:
- CALSAF113-CM
- Availability:
- Ships Same Business Day
- Weight:
- 51.20 LBS
- MFG Part #:
- SAF113-CM
$1,029.00 -
SBC 4340 Forged Crank - 4.000 Stroke 7-400-4000-6000
SCAT ENTERPRISES
$993.99A forged crankshaft is the foundation of any reliable high-revving engine build. The Excalibur SBC 4340 crankshaft delivers the stroke and material strength needed to handle sustained performance demands without sacrificing durability. With external...SCA7-400-4000-6000- SKU:
- SCA7-400-4000-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$993.99 -
Ford 351C 4340 Forged Crank 3.500 Stroke 4-351C-3500-6000
SCAT ENTERPRISES
$1,032.99A forged steel crankshaft is the backbone of any high-revving engine build, and this 351C unit delivers the strength and precision needed to handle aggressive power levels without compromising reliability. Built from 4340 forged steel with a 3.500-inch...SCA4-351C-3500-6000- SKU:
- SCA4-351C-3500-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$1,032.99 -
SBC 4340 Forged Crank - 3.875 Stroke 4-350-3875-6000
SCAT ENTERPRISES
$944.99If you're building a high-displacement Small Block Chevy engine and need the backbone to handle sustained power and torque, a quality forged crankshaft is non-negotiable. The SBC 4340 Forged Crank delivers the stroke you need to unlock additional cubic...SCA4-350-3875-6000- SKU:
- SCA4-350-3875-6000
- Availability:
- Ships Same Business Day
- Weight:
- 58.05 LBS
- MFG Part #:
- 4-350-3875-6000
$944.99 -
SBF 4340 Forged Crank - 3.000 Stroke 4-302-3000-5090-2123
SCAT ENTERPRISES
$910.99A forged steel crankshaft is the backbone of any high-rpm small block engine, and this 3.000-stroke SBF crank delivers the durability and precision required for sustained performance. Whether you're building a street engine or a competition platform, a...SCA4-302-3000-5090-2123- SKU:
- SCA4-302-3000-5090-2123
- Availability:
- Ships Same Business Day
- Weight:
- 49.75 LBS
- MFG Part #:
- 4-302-3000-5090-2123
$910.99
