Crankshafts and Components
Circle Track Crankshafts & Components at JJ Motorsports
Crankshafts endure high-torque loads, converting piston movement into rotational force. Crafted for reliability, they are vital for competitive engines. Pair them with complementary engine solutions to unlock maximum torque and power in demanding IMCA, USMTS, and dirt oval racing for late models, modifieds, and street stocks.
Shop trusted brands like Manley for forged cranks, Allstar Performance for balancing plates, and Lunati for LS crankshafts. Explore related categories such as Circle Track Engines and Components for complete engine upgrades or Circle Track for chassis and suspension parts.
Top Circle Track Crankshafts & Components
- 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.
- Allstar Performance 400 Balancing Plate Balance plate ALL26120 – Balance Plate Steel Black Paint 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.
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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Manley SBC 4340 Forged Crank 3.480 Stroke/350 mains 190310
MANLEY
$934.61If you're building a high-revving Small Block Chevy engine or upgrading from a cast-iron unit, a forged crankshaft is non-negotiable. The Manley SBC 4340 Forged Crank delivers the strength and...MAN190310- SKU:
- MAN190310
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
- MFG Part #:
- 190310
$934.61 -
Allstar Performance 400 Balancing Plate Balance plate ALL26120
ALLSTAR PERFORMANCE
$17.99Keep your Small Block Chevy running smooth and balanced with the Allstar Performance ALL26120 400 Balancing Plate. Built tough for serious engine builders, this plate ensures proper balance and...ALL26120- SKU:
- ALL26120
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
- MFG Part #:
- ALL26120
$17.99 -
Manley SBC 4340 Forged Crank 3.480 Stroke 350 Mains 190310NB
MANLEY
$909.69A forged 4340 steel crankshaft is the backbone of any high-output small-block Chevy build. Manley's 3.480" stroke design delivers the stroke length needed for increased displacement and torque...MAN190310NB- SKU:
- MAN190310NB
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
$909.69 -
GM LS 4340 Forged Crank 4.000 Stroke 70840001
LUNATI
$1,123.99A forged crankshaft is the foundation of any high-output LS engine build, and this Voodoo unit delivers the strength and precision needed to handle serious horsepower and boost. Built from 4340...LNT70840001- SKU:
- LNT70840001
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$1,123.99 -
SBF 4340 Forged Crank 3.400 Stroke Int Balance 70534001
LUNATI
$1,055.99A forged 4340 steel crankshaft is the backbone of any high-revving small-block engine build, delivering the strength and reliability needed to handle aggressive power levels without compromise. The...LNT70534001- SKU:
- LNT70534001
- Availability:
- Ships Same Business Day
- Weight:
- 53.00 LBS
$1,055.99Qty in Cart: 0Quantity:Price:$1,055.99Subtotal: -
Chevrolet Performance Crankshaft Reluctor Ring LS 58-Tooth 12586768
CHEVROLET PERFORMANCE
$33.16A reluctor ring is the foundation of modern engine management—without it, your LS engine's ignition timing and fuel injection won't sync properly. This OEM Chevrolet reluctor ring ensures accurate...GMP12586768- SKU:
- GMP12586768
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
$33.16 -
Chevrolet Performance LS Reluctor Wheel 24-Tooth
CHEVROLET PERFORMANCE
$65.08Accurate engine timing is non-negotiable in high-performance LS builds, and your ignition system depends on a properly functioning reluctor wheel to deliver precise crankshaft position data to your...GMP12559353- SKU:
- GMP12559353
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
$65.08 -
Eagle SBC 4340 Forged Crank. 3.750 Stroke 350 Mains CRS4350375057BN
EAGLE
$971.99A forged crankshaft is the foundation of any high-output Small Block Chevy build, and the Eagle SBC 4340 delivers the strength and reliability required for sustained high-RPM performance. Whether...EAG4350375057BN- SKU:
- EAG4350375057BN
- Availability:
- Ships Same Business Day
- Weight:
- 58.00 LBS
$971.99 -
Billet Reluctor Wheel - 24-tooth GM LS 12559353-1
CALLIES
$93.00OEM reluctor wheels are prone to crankshaft slippage, which compromises ignition timing and can lead to severe engine damage. A billet reluctor eliminates this risk with a precision-engineered,...CAL12559353-1- SKU:
- CAL12559353-1
- Availability:
- Ships Same Business Day
- Weight:
- 1.77 LBS
$93.00 -
SBC 4340 Forged Crank - 4.000 Stroke 7-350-4000-6000
SCAT ENTERPRISES
$993.99A forged 4340 steel crankshaft is the foundation of any high-revving small-block engine that demands reliability under sustained boost or nitrous oxide. This internally balanced Excalibur crank...SCA7-350-4000-6000- SKU:
- SCA7-350-4000-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$993.99Qty in Cart: 0Quantity:Price:$993.99Subtotal: -
SBC 4340 Forged Crank - 3.875 Stroke 7-350-3875-6000
SCAT ENTERPRISES
$993.99A forged crankshaft is the backbone of any high-revving small block engine—it handles the extreme forces of combustion while maintaining the tight tolerances that separate a reliable powerplant from...SCA7-350-3875-6000- SKU:
- SCA7-350-3875-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$993.99Qty in Cart: 0Quantity:Price:$993.99Subtotal: -
SBC 4340 Forged Crank - 3.480 Stroke 7-350-3480-5700
SCAT ENTERPRISES
$993.99A forged 4340 steel crankshaft is the foundation of any reliable high-RPM small block build. The Excalibur 3.480" stroke delivers the displacement and durability you need for consistent power...SCA7-350-3480-5700- SKU:
- SCA7-350-3480-5700
- Availability:
- Ships Same Business Day
- Weight:
- 52.00 LBS
$993.99Qty in Cart: 0Quantity:Price:$993.99Subtotal: -
Eagle SBC 305 Forged 4340 Crank 3.500 Stroke/5.700 4349350057LA
EAGLE
$976.99A quality crankshaft is the foundation of any high-revving Small Block Chevy build—without precision in this critical component, you're compromising reliability and performance across the entire...EAG4349350057LA- SKU:
- EAG4349350057LA
- Availability:
- Ships Same Business Day
- Weight:
- 51.30 LBS
$976.99Qty in Cart: 0Quantity:Price:$976.99Subtotal: -
Allstar Performance Crankshaft Key Chevy LS1/LS2/LS6 Gen III 5.7l ALL87034
ALLSTAR PERFORMANCE
$4.99A crankshaft key is a critical fastening component that locks your harmonic balancer and pulley system to the crankshaft, preventing any rotational slip that could throw off ignition timing and cause...ALL87034- SKU:
- ALL87034
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$4.99 -
Allstar Performance Crankshaft Key Chevy Long ALL87032
ALLSTAR PERFORMANCE
$4.99A crankshaft key might seem like a small component, but it's critical to preventing harmonic imbalance and timing gear slippage—especially in high-RPM or boosted applications where rotating assembly...ALL87032- SKU:
- ALL87032
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$4.99 -
Allstar Performance Crankshaft Key Chevy Short 2pk ALL87030
ALLSTAR PERFORMANCE
$4.99A crankshaft key secures your harmonic balancer and pulley system to the crank, preventing slippage that compromises ignition timing and accessory drive performance. Allstar's Woodruff design ensures...ALL87030- SKU:
- ALL87030
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$4.99 -
SBC Cast Steel Crank 3.750 Stroke 9-400-3750-6000
SCAT ENTERPRISES
$361.99A lightweight crankshaft is fundamental to building a high-revving Small Block Chevy engine that responds instantly and maintains durability under sustained load. The Pro Comp 9000 Series reduces...SCA9-400-3750-6000- SKU:
- SCA9-400-3750-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.30 LBS
- MFG Part #:
- 9-400-3750-6000
$361.99 -
SBC Cast Steel Crank - 3.750 Stroke 9-400-3750-5700
SCAT ENTERPRISES
$361.99A properly engineered crankshaft is the backbone of any high-performance small block Chevy engine, and this cast steel unit delivers the stroke geometry and durability you need for sustained power...SCA9-400-3750-5700- SKU:
- SCA9-400-3750-5700
- Availability:
- Ships Same Business Day
- Weight:
- 52.55 LBS
- MFG Part #:
- 9-400-3750-5700
$361.99 -
SBC Cast Steel Crank - 3.500 Stroke 9-400-3500-6000
SCAT ENTERPRISES
$361.99A quality crankshaft is the foundation of any reliable engine build, and this Pro Comp lightweight design delivers the precision and durability that separates a solid street engine from a fragile...SCA9-400-3500-6000- SKU:
- SCA9-400-3500-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.50 LBS
- MFG Part #:
- 9-400-3500-6000
$361.99 -
SBF Cast Steel Crank - 3.850 Stroke 9-351-385-5955-2311W
SCAT ENTERPRISES
$481.99A quality crankshaft is the backbone of any high-revving small block Ford engine, and this Pro Comp 9000 Series cast iron unit delivers the stroke you need for increased displacement and torque...SCA9-351-385-5955-2311W- SKU:
- SCA9-351-385-5955-2311W
- Availability:
- Ships Same Business Day
- Weight:
- 62.80 LBS
- MFG Part #:
- 9-351-385-5955-2311W
$481.99
