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
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Eagle SBC 4340 Forged Crank - 3.750 Stroke 440037505700
EAGLE
$892.99SBC 4340 Forged Crank - 4.40038E+11 High-performance crankshaft designed for durability and strength Features a 3.750-inch stroke for optimal engine performance Engineered with internal balance for smooth operation Constructed from premium forged steel...EAG440037505700- SKU:
- EAG440037505700
- Availability:
- Ships Same Business Day
- Weight:
- 58.70 LBS
- MFG Part #:
- CRS440037505700
$892.99 -
Eagle SBC 4340 Forged Crank - 3.480 Stroke 440034805700
EAGLE
$946.99SBC 4340 Forged Crank - 4.40035E+11 High-performance crankshaft designed for durability and strength Features a 3.480-inch stroke for optimal engine performance Engineered with internal balance for smooth operation Constructed from premium forged steel...EAG440034805700- SKU:
- EAG440034805700
- Availability:
- Ships Same Business Day
- Weight:
- 56.80 LBS
- MFG Part #:
- CRS440034805700
$946.99 -
Eagle SBC 4340 Forged Crank - 3.480 Stroke 435334805700
EAGLE
$931.99SBC 4340 Forged Crank - 3.480 StrokeCrankshaft3.480 in StrokeInternal BalanceForged Steel1 Piece SealSmall Block ChevyEachEAG435334805700- SKU:
- EAG435334805700
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
- MFG Part #:
- CRS435334805700
$931.99 -
Eagle SBF 4340 Forged Crank - 4.000 Stroke 435240006200
EAGLE
$1,075.99SBF 4340 Forged Crank - 4.000 Stroke 4.3524E+11 High-performance crankshaft designed for durability Features a 4.000 inch stroke for optimal engine efficiency Engineered with internal balance for smooth operation Constructed from forged steel for...EAG435240006200- SKU:
- EAG435240006200
- Availability:
- Ships Same Business Day
- Weight:
- 62.25 LBS
- MFG Part #:
- CRS435240006200
$1,075.99 -
Eagle SBF 4340 Forged Crank - 4.000 Stroke 435140006200
EAGLE
$851.99SBF 4340 Forged Crank - 4.000 Stroke 4.3514E+11 High-performance crankshaft designed for durability and strength Features a 4.000 inch stroke for enhanced engine performance Engineered with internal balance for smoother operation Constructed from forged...EAG435140006200- SKU:
- EAG435140006200
- Availability:
- Ships Same Business Day
- Weight:
- 63.65 LBS
- MFG Part #:
- CRS435140006200
$851.99Qty in Cart: 0Quantity:Price:$851.99Subtotal: -
Eagle SBC 4340 Forged Crank - 4.000 Stroke 435040006000
EAGLE
$981.99SBC 4340 Forged Crank - 4.000 Stroke - 4.3504E+11 High-performance crankshaft designed for Small Block Chevy engines Features a 4.000-inch stroke for enhanced power delivery Engineered with internal balance for smooth operation Constructed from durable...EAG435040006000- SKU:
- EAG435040006000
- Availability:
- Ships Same Business Day
- Weight:
- 56.65 LBS
- MFG Part #:
- CRS435040006000
$981.99 -
Eagle SBC 4340 Forged Crank - 3.750 Stroke - L/W 4350375057LA
EAGLE
$869.99SBC 4340 Forged Crank - 3.750 Stroke - L/WCrankshaftLightweight3.750 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachEAG4350375057LA- SKU:
- EAG4350375057LA
- Availability:
- Ships Same Business Day
- Weight:
- 53.00 LBS
- MFG Part #:
- CRS4350375057LA
$869.99 -
Eagle SBC 4340 Forged Crank - 3.625 Stroke 435036255700
EAGLE
$854.99SBC 4340 Forged Crank - 3.625 StrokeCrankshaft3.625 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachEAG435036255700- SKU:
- EAG435036255700
- Availability:
- Ships Same Business Day
- Weight:
- 55.90 LBS
- MFG Part #:
- CRS435036255700
$854.99 -
Eagle SBC 4340 Forged Crank - 3.5625 Stroke 435035625700
EAGLE
$857.99SBC 4340 Forged Crank - 3.5625 StrokeCrankshaft3.562 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachEAG435035625700- SKU:
- EAG435035625700
- Availability:
- Ships Same Business Day
- Weight:
- 45.25 LBS
- MFG Part #:
- CRS435035625700
$857.99 -
Eagle SBC 4340 Forged Crank - 3.500 Stroke 435035005700
EAGLE
$839.99SBC 4340 Forged Crank - 3.500 StrokeCrankshaft3.500 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachEAG435035005700- SKU:
- EAG435035005700
- Availability:
- Ships Same Business Day
- Weight:
- 55.60 LBS
- MFG Part #:
- CRS435035005700
$839.99 -
Eagle SBC 4340 Forged Crank - 3.480 Stroke 435034805700
EAGLE
$931.99SBC 4340 Forged Crank - 4.35035E+11 High-performance crankshaft designed for durability and strength Features a 3.480-inch stroke for optimal engine performance Internal balance ensures smooth operation and reduced vibrations Constructed from forged...EAG435034805700- SKU:
- EAG435034805700
- Availability:
- Ships Same Business Day
- Weight:
- 55.00 LBS
- MFG Part #:
- CRS435034805700
$931.99 -
Eagle GM LS1 4340 Forged Crank - 4.000 Stroke 434640006100
EAGLE
$1,089.99GM LS1 4340 Forged Crank - 4.000 StrokeCrankshaft4.000 in StrokeInternal BalanceForged Steel1 Piece SealGM LS-SeriesEachEAG434640006100- SKU:
- EAG434640006100
- Availability:
- Ships Same Business Day
- Weight:
- 57.90 LBS
- MFG Part #:
- CRS434640006100
$1,089.99 -
Eagle GM LS1 4340 Forged Crank - 3.622 Stroke 434636226100
EAGLE
$1,093.99GM LS1 4340 Forged Crank - 3.622 StrokeCrankshaft3.622 in StrokeInternal BalanceForged Steel1 Piece SealGM LS-SeriesEachEAG434636226100- SKU:
- EAG434636226100
- Availability:
- Ships Same Business Day
- Weight:
- 58.80 LBS
- MFG Part #:
- CRS434636226100
$1,093.99 -
Eagle SBF 4340 Forged Crank - 3.400 Stroke 430234025400
EAGLE
$939.99SBF 4340 Forged Crank - 3.400 StrokeCrankshaft3.400 in StrokeInternal BalanceForged Steel1 or 2 Piece SealSmall Block FordEachEAG430234025400- SKU:
- EAG430234025400
- Availability:
- Ships Same Business Day
- Weight:
- 50.30 LBS
- MFG Part #:
- CRS430234025400
$939.99 -
Eagle SBF 4340 Forged Crank - 3.000 Stroke 430230015090
EAGLE
$811.99SBF 4340 Forged Crank - 3.000 StrokeCrankshaft3.000 in StrokeInternal BalanceForged Steel1 or 2 Piece SealSmall Block FordEachEAG430230015090- SKU:
- EAG430230015090
- Availability:
- Ships Same Business Day
- Weight:
- 49.40 LBS
- MFG Part #:
- CRS430230015090
$811.99 -
Eagle SBC Cast Steel Crank - 3.750 Stroke 103523750
EAGLE
$346.99SBC Cast Steel Crank - 3.750 StrokeCrankshaft3.750 in StrokeExternal BalanceIron1 Piece SealSmall Block ChevyEachEAG103523750- SKU:
- EAG103523750
- Availability:
- Ships Same Business Day
- Weight:
- 52.80 LBS
- MFG Part #:
- CRS103523750
$346.99Qty in Cart: 0Quantity:Price:$346.99Subtotal: -
Eagle SBC Cast Steel Crank - 3.480 Stroke 103523480
EAGLE
$292.99SBC Cast Steel Crank - 3.480 StrokeCrankshaft3.480 in StrokeInternal Balance FrontExternal Balance RearIron1 Piece SealSmall Block ChevyEachEAG103523480- SKU:
- EAG103523480
- Availability:
- Ships Same Business Day
- Weight:
- 52.95 LBS
- MFG Part #:
- CRS103523480
$292.99 -
Eagle SBC Cast Steel Crank - 3.750 Stroke 103503750
EAGLE
$358.99SBC Cast Steel Crank - 3.750 StrokeCrankshaft3.750 in StrokeExternal BalanceIron2 Piece SealSmall Block ChevyEachEAG103503750- SKU:
- EAG103503750
- Availability:
- Ships Same Business Day
- Weight:
- 52.05 LBS
- MFG Part #:
- CRS103503750
$358.99 -
Eagle SBC Cast Steel Crank - 3.480 Stroke (IMCA) 103503480CM
EAGLE
$309.99SBC Cast Steel Crank - 3.480 Stroke (IMCA)Crankshaft3.480 in StrokeInternal BalanceIron2 Piece SealSmall Block ChevyEachEAG103503480CM- SKU:
- EAG103503480CM
- Availability:
- Ships Same Business Day
- Weight:
- 54.70 LBS
- MFG Part #:
- CRS103503480CM
$309.99 -
Eagle SBC Cast Steel Crank - 3.480 Stroke 103503480
EAGLE
$297.99SBC Cast Steel Crank - 3.480 StrokeCrankshaft3.480 in StrokeInternal BalanceIron2 Piece SealSmall Block ChevyEachEAG103503480- SKU:
- EAG103503480
- Availability:
- Ships Same Business Day
- Weight:
- 51.55 LBS
- MFG Part #:
- CRS103503480
$297.99
