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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SBC 4340 Forged Magnum Crank - 3.750 Stroke SAJ21A-MG
CALLIES
$3,184.00SBC 4340 Forged Magnum Crank - SAJ-21A-MG High-performance crankshaft designed for small block Chevy engines Constructed from durable forged steel for enhanced strength and longevity Features a stroke measurement of 3.750 inches, optimizing engine...CALSAJ21A-MG- SKU:
- CALSAJ21A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 54.45 LBS
- MFG Part #:
- SAJ21A-MG
$3,184.00 -
SBC 4340 Forged Compstar Crank 3.750 Stroke SAJ-213-CS
CALLIES
$854.00SBC 4340 Forged Compstar Crank 3.750 StrokeCrankshaftCompstar3.750 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachCALSAJ213-CS- SKU:
- CALSAJ213-CS
- Availability:
- Ships Same Business Day
- Weight:
- 55.30 LBS
- MFG Part #:
- SAJ213-CS
$854.00 -
SBC 4340 Forged Compstar Crank - 3.750 Stroke SAJ-113-CS
CALLIES
$854.00SBC 4340 Forged Compstar Crank - 3.750 StrokeCrankshaftCompstar3.750 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachCALSAJ113-CS- SKU:
- CALSAJ113-CS
- Availability:
- Ships Same Business Day
- Weight:
- 55.45 LBS
- MFG Part #:
- SAJ113-CS
$854.00 -
SBC 4340 Forged Compstar Crank - 3.750 Stroke SAJ113-CC
CALLIES
$1,020.00SBC 4340 Forged Compstar Crank - 3.750 StrokeCrankshaftCompstar Comet3.750 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachCALSAJ113-CC- SKU:
- CALSAJ113-CC
- Availability:
- Ships Same Business Day
- Weight:
- 48.15 LBS
- MFG Part #:
- SAJ113-CC
$1,020.00 -
SBC 4340 Forged Magnum Crank - 3.500 Stroke SAG14A-MG
CALLIES
$3,184.00SBC 4340 Forged Magnum Crank - 3.500 StrokeCrankshaftMagnum3.500 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachCALSAG14A-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
$854.00SBC 4340 Forged Compstar Crank - SAG-143-CM High-performance crankshaft designed for enhanced engine efficiency Mid-weight construction for optimal balance and performance 3.500-inch stroke for increased power output Internal balance for smooth...CALSAG143-CM- SKU:
- CALSAG143-CM
- Availability:
- Ships Same Business Day
- Weight:
- 51.45 LBS
- MFG Part #:
- SAG143-CM
$854.00Qty in Cart: 0Quantity:Price:$854.00Subtotal: -
SBC 4340 Forged Compstar Crank 3.500 Stroke SAG143-CC
CALLIES
$1,020.00SBC 4340 Forged Compstar Crank 3.500 StrokeCrankshaftCompstar Comet3.500 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachCALSAG143-CC- SKU:
- CALSAG143-CC
- Availability:
- Ships Same Business Day
- Weight:
- 46.50 LBS
- MFG Part #:
- SAG143-CC
$1,020.00Qty in Cart: 0Quantity:Price:$1,020.00Subtotal: -
SBC 4340 Forged Compstar Crank - 3.500 Stroke SAG-113-CM
CALLIES
$854.00SBC 4340 Forged Compstar Crank - 3.500 StrokeCrankshaftCompstar Mid Weight3.500 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachCALSAG113-CM- SKU:
- CALSAG113-CM
- Availability:
- Ships Same Business Day
- Weight:
- 23.86 LBS
- MFG Part #:
- SAG113-CM
$854.00Qty in Cart: 0Quantity:Price:$854.00Subtotal: -
SBC 4340 Forged Compstar Crank 3.480 Stroke SAF-113-CM
CALLIES
$854.00SBC 4340 Forged Compstar Crank 3.480 StrokeCrankshaftCompstar Mid Weight3.480 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachCALSAF113-CM- SKU:
- CALSAF113-CM
- Availability:
- Ships Same Business Day
- Weight:
- 51.20 LBS
- MFG Part #:
- SAF113-CM
$854.00 -
Allstar Performance Mandrel Key 1/8in ALL31036
ALLSTAR PERFORMANCE
$7.69Mandrel Key 1/8in Key Stock1/8 x 3 in LongSteelZinc OxideEachALL31036- SKU:
- ALL31036
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- ALL31036
$7.69 -
SBC 4340 Forged Crank - 4.000 Stroke 7-400-4000-6000
SCAT ENTERPRISES
$993.99CrankshaftExcalibur4.000 in StrokeExternal BalanceForged Steel1 Piece SealSmall Block ChevyEachSCA7-400-4000-6000- 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
$1,032.99CrankshaftStandard Weight3.500 in StrokeExternal BalanceForged Steel1 or 2 Piece SealFord Cleveland / ModifiedEachSCA4-351C-3500-6000- SKU:
- SCA4-351C-3500-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$1,032.99Qty in Cart: 0Quantity:Price:$1,032.99Subtotal: -
SBC 4340 Forged Crank - 3.875 Stroke 4-350-3875-6000
SCAT ENTERPRISES
$944.99High-performance crankshaft designed for Small Block Chevy engines Standard weight for optimal balance and performance 3.875-inch stroke for increased power and torque Internal balance for smoother operation Constructed from durable forged steel for...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
$910.99CrankshaftStandard Weight3.000 in StrokeExternal BalanceForged Steel1 or 2 Piece SealSmall Block FordEachSCA4-302-3000-5090-2123- SKU:
- SCA4-302-3000-5090-2123
- Availability:
- Ships Same Business Day
- Weight:
- 49.75 LBS
- MFG Part #:
- 4-302-3000-5090-2123
$910.99 -
Eagle SBC 4340 Forged Crank - 4.000 Stroke 440040006000
EAGLE
$809.99SBC 4340 Forged Crank - 4.000 Stroke (4.4004E+11) Precision-engineered crankshaft for optimal performance 4.000-inch stroke enhances engine efficiency Designed with internal balance for smooth operation Constructed from durable forged steel for...EAG440040006000- SKU:
- EAG440040006000
- Availability:
- Ships Same Business Day
- Weight:
- 59.15 LBS
- MFG Part #:
- CRS440040006000
$809.99Qty in Cart: 0Quantity:Price:$809.99Subtotal: -
Eagle SBC 4340 Forged Crank - 3.875 Stroke 440038756000
EAGLE
$841.99SBC 4340 Forged Crank - 3.875 StrokeCrankshaft3.875 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachEAG440038756000- SKU:
- EAG440038756000
- Availability:
- Ships Same Business Day
- Weight:
- 59.95 LBS
- MFG Part #:
- CRS440038756000
$841.99Qty in Cart: 0Quantity:Price:$841.99Subtotal: -
Eagle SBC 4340 Forged Crank - 3.750 Stroke 435337505700
EAGLE
$869.99SBC 4340 Forged Crank - 3.750 StrokeCrankshaft3.750 in StrokeInternal BalanceForged Steel1 Piece SealSmall Block ChevyEachEAG435337505700- SKU:
- EAG435337505700
- Availability:
- Ships Same Business Day
- Weight:
- 55.35 LBS
- MFG Part #:
- CRS435337505700
$869.99 -
Eagle SBF 4340 Forged Crank - 4.1700 Stroke 435241706200
EAGLE
$961.99SBF 4340 Forged Crank - 4.1700 StrokeCrankshaft4.170 in StrokeInternal BalanceForged Steel1 or 2 Piece SealSmall Block FordEachEAG435241706200- SKU:
- EAG435241706200
- Availability:
- Ships Same Business Day
- Weight:
- 61.90 LBS
- MFG Part #:
- CRS435241706200
$961.99 -
Eagle SBF 4340 Forged Crank - 4.170 Stroke 435141706200
EAGLE
$961.99SBF 4340 Forged Crank - 4.170 StrokeCrankshaft4.170 in StrokeInternal BalanceForged Steel1 or 2 Piece SealSmall Block FordEachEAG435141706200- SKU:
- EAG435141706200
- Availability:
- Ships Same Business Day
- Weight:
- 61.75 LBS
- MFG Part #:
- CRS435141706200
$961.99 -
Eagle SBC 4340 Forged Crank - 3.750 Stroke 435037505700
EAGLE
$826.99SBC 4340 Forged Crank - 4.35038E+11 High-performance crankshaft designed for durability and strength 3.750-inch stroke for optimized engine performance Internal balance ensures smooth operation and reduced vibration Manufactured from forged steel for...EAG435037505700- SKU:
- EAG435037505700
- Availability:
- Ships Same Business Day
- Weight:
- 55.90 LBS
- MFG Part #:
- CRS435037505700
$826.99
