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Crankshafts and Components

Crankshafts and Components

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

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
  • SBC 4340 Forged Crank - 3.625 Stroke EAG435036255700

    Eagle SBC 4340 Forged Crank - 3.625 Stroke 435036255700

    EAGLE

    $854.99
    SBC 4340 Forged Crank - 3.625 StrokeCrankshaft3.625 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEach
    EAG435036255700
    SKU:
    EAG435036255700
    Availability:
    Ships Same Business Day
    Weight:
    55.90 LBS
    MFG Part #:
    CRS435036255700
    $854.99
    Qty in Cart: 0
    Quantity:
    Price:
    $854.99
    Subtotal:
  • SBC 4340 Forged Crank - 3.5625 Stroke EAG435035625700

    Eagle SBC 4340 Forged Crank - 3.5625 Stroke 435035625700

    EAGLE

    $857.99
    SBC 4340 Forged Crank - 3.5625 StrokeCrankshaft3.562 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEach
    EAG435035625700
    SKU:
    EAG435035625700
    Availability:
    Ships Same Business Day
    Weight:
    45.25 LBS
    MFG Part #:
    CRS435035625700
    $857.99
    Qty in Cart: 0
    Quantity:
    Price:
    $857.99
    Subtotal:
  • SBC 4340 Forged Crank - 3.500 Stroke EAG435035005700

    Eagle SBC 4340 Forged Crank - 3.500 Stroke 435035005700

    EAGLE

    $839.99
    SBC 4340 Forged Crank - 3.500 StrokeCrankshaft3.500 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEach
    EAG435035005700
    SKU:
    EAG435035005700
    Availability:
    Ships Same Business Day
    Weight:
    55.60 LBS
    MFG Part #:
    CRS435035005700
    $839.99
    Qty in Cart: 0
    Quantity:
    Price:
    $839.99
    Subtotal:
  • SBC 4340 Forged Crank - 3.480 Stroke EAG435034805700

    Eagle SBC 4340 Forged Crank - 3.480 Stroke 435034805700

    EAGLE

    $931.99
    SBC 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
    Qty in Cart: 0
    Quantity:
    Price:
    $931.99
    Subtotal:
  • GM LS1 4340 Forged Crank - 4.000 Stroke EAG434640006100

    Eagle GM LS1 4340 Forged Crank - 4.000 Stroke 434640006100

    EAGLE

    $1,089.99
    GM LS1 4340 Forged Crank - 4.000 StrokeCrankshaft4.000 in StrokeInternal BalanceForged Steel1 Piece SealGM LS-SeriesEach
    EAG434640006100
    SKU:
    EAG434640006100
    Availability:
    Ships Same Business Day
    Weight:
    57.90 LBS
    MFG Part #:
    CRS434640006100
    $1,089.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,089.99
    Subtotal:
  • GM LS1 4340 Forged Crank - 3.622 Stroke EAG434636226100

    Eagle GM LS1 4340 Forged Crank - 3.622 Stroke 434636226100

    EAGLE

    $1,093.99
    GM LS1 4340 Forged Crank - 3.622 StrokeCrankshaft3.622 in StrokeInternal BalanceForged Steel1 Piece SealGM LS-SeriesEach
    EAG434636226100
    SKU:
    EAG434636226100
    Availability:
    Ships Same Business Day
    Weight:
    58.80 LBS
    MFG Part #:
    CRS434636226100
    $1,093.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,093.99
    Subtotal:
  • SBF 4340 Forged Crank - 3.400 Stroke EAG430234025400

    Eagle SBF 4340 Forged Crank - 3.400 Stroke 430234025400

    EAGLE

    $939.99
    SBF 4340 Forged Crank - 3.400 StrokeCrankshaft3.400 in StrokeInternal BalanceForged Steel1 or 2 Piece SealSmall Block FordEach
    EAG430234025400
    SKU:
    EAG430234025400
    Availability:
    Ships Same Business Day
    Weight:
    50.30 LBS
    MFG Part #:
    CRS430234025400
    $939.99
    Qty in Cart: 0
    Quantity:
    Price:
    $939.99
    Subtotal:
  • SBF 4340 Forged Crank - 3.000 Stroke EAG430230015090

    Eagle SBF 4340 Forged Crank - 3.000 Stroke 430230015090

    EAGLE

    $811.99
    SBF 4340 Forged Crank - 3.000 StrokeCrankshaft3.000 in StrokeInternal BalanceForged Steel1 or 2 Piece SealSmall Block FordEach
    EAG430230015090
    SKU:
    EAG430230015090
    Availability:
    Ships Same Business Day
    Weight:
    49.40 LBS
    MFG Part #:
    CRS430230015090
    $811.99
    Qty in Cart: 0
    Quantity:
    Price:
    $811.99
    Subtotal:
  • SBC Cast Steel Crank - 3.750 Stroke EAG103523750

    Eagle SBC Cast Steel Crank - 3.750 Stroke 103523750

    EAGLE

    $346.99
    SBC Cast Steel Crank - 3.750 StrokeCrankshaft3.750 in StrokeExternal BalanceIron1 Piece SealSmall Block ChevyEach
    EAG103523750
    SKU:
    EAG103523750
    Availability:
    Ships Same Business Day
    Weight:
    52.80 LBS
    MFG Part #:
    CRS103523750
    $346.99
    Qty in Cart: 0
    Quantity:
    Price:
    $346.99
    Subtotal:
  • SBC Cast Steel Crank - 3.480 Stroke EAG103523480

    Eagle SBC Cast Steel Crank - 3.480 Stroke 103523480

    EAGLE

    $292.99
    SBC Cast Steel Crank - 3.480 StrokeCrankshaft3.480 in StrokeInternal Balance FrontExternal Balance RearIron1 Piece SealSmall Block ChevyEach
    EAG103523480
    SKU:
    EAG103523480
    Availability:
    Ships Same Business Day
    Weight:
    52.95 LBS
    MFG Part #:
    CRS103523480
    $292.99
    Qty in Cart: 0
    Quantity:
    Price:
    $292.99
    Subtotal:
  • SBC Cast Steel Crank - 3.750 Stroke EAG103503750

    Eagle SBC Cast Steel Crank - 3.750 Stroke 103503750

    EAGLE

    $358.99
    SBC Cast Steel Crank - 3.750 StrokeCrankshaft3.750 in StrokeExternal BalanceIron2 Piece SealSmall Block ChevyEach
    EAG103503750
    SKU:
    EAG103503750
    Availability:
    Ships Same Business Day
    Weight:
    52.05 LBS
    MFG Part #:
    CRS103503750
    $358.99
    Qty in Cart: 0
    Quantity:
    Price:
    $358.99
    Subtotal:
  • SBC Cast Steel Crank - 3.480 Stroke (IMCA) EAG103503480CM

    Eagle SBC Cast Steel Crank - 3.480 Stroke (IMCA) 103503480CM

    EAGLE

    $309.99
    SBC Cast Steel Crank - 3.480 Stroke (IMCA)Crankshaft3.480 in StrokeInternal BalanceIron2 Piece SealSmall Block ChevyEach
    EAG103503480CM
    SKU:
    EAG103503480CM
    Availability:
    Ships Same Business Day
    Weight:
    54.70 LBS
    MFG Part #:
    CRS103503480CM
    $309.99
    Qty in Cart: 0
    Quantity:
    Price:
    $309.99
    Subtotal:
  • SBC Cast Steel Crank - 3.480 Stroke EAG103503480

    Eagle SBC Cast Steel Crank - 3.480 Stroke 103503480

    EAGLE

    $297.99
    SBC Cast Steel Crank - 3.480 StrokeCrankshaft3.480 in StrokeInternal BalanceIron2 Piece SealSmall Block ChevyEach
    EAG103503480
    SKU:
    EAG103503480
    Availability:
    Ships Same Business Day
    Weight:
    51.55 LBS
    MFG Part #:
    CRS103503480
    $297.99
    Qty in Cart: 0
    Quantity:
    Price:
    $297.99
    Subtotal:
  • SBF Cast Steel Crank - 3.400 Stroke EAG103023402

    Eagle SBF Cast Steel Crank - 3.400 Stroke 103023402

    EAGLE

    $316.99
    SBF Cast Steel Crank - 3.400 StrokeCrankshaft3.400 in StrokeExternal BalanceIron1 or 2 Piece SealSmall Block FordEach
    EAG103023402
    SKU:
    EAG103023402
    Availability:
    Ships Same Business Day
    Weight:
    43.65 LBS
    MFG Part #:
    CRS103023402
    $316.99
    Qty in Cart: 0
    Quantity:
    Price:
    $316.99
    Subtotal:
  • SBF Cast Steel Crank - 3.250 Stroke EAG103023252

    Eagle SBF Cast Steel Crank - 3.250 Stroke 103023252

    EAGLE

    $316.99
    SBF Cast Steel Crank - 3.250 StrokeCrankshaft3.250 in StrokeExternal BalanceIron1 or 2 Piece SealSmall Block FordEach
    EAG103023252
    SKU:
    EAG103023252
    Availability:
    Ships Same Business Day
    Weight:
    43.00 LBS
    MFG Part #:
    CRS103023252
    $316.99
    Qty in Cart: 0
    Quantity:
    Price:
    $316.99
    Subtotal:
  • SBC 4340 Forged Compstar Crank - 3.335 Stroke CALSAX143-CC

    SBC 4340 Forged Compstar Crank - 3.335 Stroke SAX-143-CC

    CALLIES

    $1,020.00
    SBC 4340 Forged Compstar Crank - 3.335 StrokeCrankshaftCompstar Comet3.335 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEach
    CALSAX143-CC
    SKU:
    CALSAX143-CC
    Availability:
    Ships Same Business Day
    Weight:
    47.00 LBS
    MFG Part #:
    SAX143-CC
    $1,020.00
    Qty in Cart: 0
    Quantity:
    Price:
    $1,020.00
    Subtotal:
  • SBC 4340 Forged Magnum Crank - 4.000 Stroke CALSAO21A-MG

    SBC 4340 Forged Magnum Crank - 4.000 Stroke SAO-21A-MG

    CALLIES

    $3,331.00
    SBC 4340 Forged Magnum Crank - 4.000 StrokeCrankshaftMagnum4.000 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEach
    CALSAO21A-MG
    SKU:
    CALSAO21A-MG
    Availability:
    Ships Same Business Day
    Weight:
    55.00 LBS
    MFG Part #:
    SAO21A-MG
    $3,331.00
    Qty in Cart: 0
    Quantity:
    Price:
    $3,331.00
    Subtotal:
  • SBC 4340 Forged Magnum Crank - 3.875 Stroke CALSAM14A-MG

    SBC 4340 Forged Magnum Crank - 3.875 Stroke SAM14A-MG

    CALLIES

    $3,331.00
    SBC 4340 Forged Magnum Crank - SAM-14A-MG High-performance crankshaft designed for small block Chevy engines. Constructed from durable forged steel for enhanced strength and reliability. Features a 3.875-inch stroke for optimal engine performance...
    CALSAM14A-MG
    SKU:
    CALSAM14A-MG
    Availability:
    Ships Same Business Day
    Weight:
    53.70 LBS
    MFG Part #:
    SAM14A-MG
    $3,331.00
    Qty in Cart: 0
    Quantity:
    Price:
    $3,331.00
    Subtotal:
  • SBC 4340 Forged Magnum Crank - 3.875 Stroke CALSAM11A-MG

    SBC 4340 Forged Magnum Crank - 3.875 Stroke SAM-11A-MG

    CALLIES

    $3,331.00
    SBC 4340 Forged Magnum Crank - 3.875 StrokeCrankshaftMagnum3.875 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEach
    CALSAM11A-MG
    SKU:
    CALSAM11A-MG
    Availability:
    Ships Same Business Day
    Weight:
    53.40 LBS
    MFG Part #:
    SAM11A-MG
    $3,331.00
    Qty in Cart: 0
    Quantity:
    Price:
    $3,331.00
    Subtotal:
  • SBC 4340 Forged Magnum Crank - 3.800 Stroke CALSAK21A-MG

    SBC 4340 Forged Magnum Crank - 3.800 Stroke SAK-21A-MG

    CALLIES

    $3,331.00
    SBC 4340 Forged Magnum Crank - 3.800 StrokeCrankshaftMagnum3.800 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEach
    CALSAK21A-MG
    SKU:
    CALSAK21A-MG
    Availability:
    Ships Same Business Day
    Weight:
    52.45 LBS
    MFG Part #:
    SAK21A-MG
    $3,331.00
    Qty in Cart: 0
    Quantity:
    Price:
    $3,331.00
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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