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 reliability needed to handle increased boost, nitrous, or...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 alignment so your engine performs at its absolute best...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 production without sacrificing reliability. The internal...MAN190310NB- SKU:
- MAN190310NB
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
$909.69 -
GM LS 4340 Forged Crank 4.000 Stroke 70840001
LUNATI
$929.99CrankshaftVoodoo4.000 in StrokeInternal BalanceForged SteelGM LS-SeriesEachLNT70840001- SKU:
- LNT70840001
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$929.99Qty in Cart: 0Quantity:Price:$929.99Subtotal: -
SBF 4340 Forged Crank 3.400 Stroke Int Balance 70534001
LUNATI
$665.99CrankshaftVoodoo3.400 in StrokeInternal BalanceForged SteelEachLNT70534001- SKU:
- LNT70534001
- Availability:
- Ships Same Business Day
- Weight:
- 53.00 LBS
$665.99 -
Chevrolet Performance Crankshaft Reluctor Ring LS 58-Tooth 12586768
CHEVROLET PERFORMANCE
$32.36Reluctor Ring58 ToothGM LS-SeriesEachGMP12586768- SKU:
- GMP12586768
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
$32.36 -
Chevrolet Performance LS Reluctor Wheel 24-Tooth
CHEVROLET PERFORMANCE
$63.49Reluctor Ring24 ToothGM LS-SeriesEachGMP12559353- SKU:
- GMP12559353
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
$63.49 -
Eagle SBC 4340 Forged Crank. 3.750 Stroke 350 Mains CRS4350375057BN
EAGLE
$971.99Crankshaft3.750 in StrokeInternal BalanceForged Steel2-Piece SealSmall Block ChevyEachEAG4350375057BN- SKU:
- EAG4350375057BN
- Availability:
- Ships Same Business Day
- Weight:
- 58.00 LBS
$971.99 -
Billet Reluctor Wheel - 24-tooth GM LS 12559353-1
CALLIES
$93.00Crankshaft Relucter Wheel 24 Tooth GM LS-Series Each When it comes to engine reliability, every little detail matters. Even something as seemingly insignificant as a reluctor wheel can be the difference between a smoothly running engine and a...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 eliminates the need for external balancing weights,...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 a catastrophic failure. The Excalibur SBC 4340 forged...SCA7-350-3875-6000- SKU:
- SCA7-350-3875-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$993.99 -
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 delivery, whether you're building a street performer or race...SCA7-350-3480-5700- SKU:
- SCA7-350-3480-5700
- Availability:
- Ships Same Business Day
- Weight:
- 52.00 LBS
$993.99 -
Eagle SBC 305 Forged 4340 Crank 3.500 Stroke/5.700 4349350057LA
EAGLE
$975.99A 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 engine. The Eagle SBC 305 Forged 4340 Crank delivers the...EAG4349350057LA- SKU:
- EAG4349350057LA
- Availability:
- Ships Same Business Day
- Weight:
- 51.30 LBS
$975.99 -
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 catastrophic engine damage. If you're running an...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 stress is unforgiving. The Allstar Performance Woodruff...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 reliable engagement without requiring specialized...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 rotating mass, which decreases parasitic drag and allows...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 delivery. The 3.750-inch stroke optimizes displacement...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 race motor. The 3.500" stroke gives you the displacement...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 output without breaking the bank. The 3.850-inch stroke is a...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
