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    Crankshafts - Forged - Cast

    CNC-Motorsports offers the best selection of crankshafts by brands like; Callies, Compstar, Crower, Eagle, K1, Lunati, Manley, and Scat. Our selection of cast steel crankshafts will cover nearly every engine build from 300 horsepower street engines to our forged stroker crankshaft that will support 2000 plus horsepower race engine applications. Shop our best crankshaft selecting for your domestic V8 engine today.

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    1. ESP-435038756000 PART NUMBER
      Eagle 435038756000 4340 Forged Steel Crankshaft
      SBC 396 421, Eagle Crankshaft, Forged, 3.875, 435038756000
      Special Price $862.28 Regular Price $888.95
      Eagle
      Add to Wish List
      Small Block Chevy, 3.875 Stroke, 2.449 (350 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, 2 Piece Rear Seal Learn More
    2. ESP-435338756000 PART NUMBER
      Eagle 435338756000 4340 Forged Steel Crankshaft
      SBC, 1pc, 3.875, 435338756000 Eagle Forged Steel Crankshaft
      Special Price $862.28 Regular Price $888.95
      Eagle
      Add to Wish List
      Small Block Chevy, 3.875 Stroke, 2.449 (350 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, 1 Piece Rear Seal Learn More
    3. ESP-440038756000 PART NUMBER
      Eagle 440038756000 4340 Forged Steel Crankshaft
      SBC 421, 3.875, 440038756000 4340 Steel Eagle Crankshaft
      Special Price $862.28 Regular Price $888.95
      Eagle
      Add to Wish List
      Small Block Chevy 415 421, 3.875 Stroke, 2.649 (400 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, 2 Piece Rear Seal Learn More
    4. SCA-4-350-3875-6000 PART NUMBER
      4-350-3875-6000 Scat SBC 4340 Forged Steel Standard Weight Crankshaft
      4-350-3875-6000 Scat SBC 4340 Forged Steel Standard Weight Crankshaft
      $904.95
      Scat
      Add to Wish List
      Fits Small Block Chevy, 3.875 Stroke, 2.449 (350 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, Weight 53 LBS, 2 Piece Rear Seal Learn More
    5. SCA-4-400-3875-6000 PART NUMBER
      Scat 4-400-3875-6000 4340 Forged Steel Standard Weight Crankshaft
      Scat 4-400-3875-6000 4340 Forged Steel Standard Weight Crankshaft
      $904.95
      Scat
      Add to Wish List
      Fits Small Block Chevy, 3.875 Stroke, 2.649 (400 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, Weight 56 LBS, 2 Piece Rear Seal Learn More
    6. SCA-4-350-3875-6000-L PART NUMBER
      4-350-3875-6000-L Scat SBC 4340 Forged Steel Standard Weight Crankshaft
      4-350-3875-6000-L Scat SBC 4340 Forged Steel Standard Weight Crankshaft
      $904.95
      Scat
      Add to Wish List
      Fits Small Block Chevy, 3.875 Stroke, 2.449 (350 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Front External Rear Balance, Weight 53 LBS, 1 Piece Rear Seal Learn More
    7. SCA-4-350-3875-6000-2 PART NUMBER
      4-350-3875-6000-2 Scat SBC Pro Comp Lightweight 4340 Forged Steel Crankshaft
      4-350-3875-6000-2 Scat SBC Pro Comp Lightweight 4340 Forged Steel Crankshaft
      $2,354.95
      Scat
      Add to Wish List
      Fits Small Block Chevy, 3.875 Stroke, 2.449 (350 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, Approximate Weight 49 LBS, 2 Piece Rear Seal Learn More
    8. SCA-4-400-3875-6000-2 PART NUMBER
      4-400-3875-6000-2 Pro Comp Lightweight 4340 Forged Steel Crankshaft
      Scat 4-400-3875-6000-2 Pro Comp Lightweight 4340 Forged Steel Crankshaft
      $2,354.95
      Scat
      Add to Wish List
      Fits Small Block Chevy, 3.875 Stroke, 2.649 (400 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, Approximate Weight 50 LBS, 2 Piece Rear Seal Learn More
    9. SCA-4-350-3875-6000-3 PART NUMBER
      4-350-3875-6000-3 Scat SBC Superlight 4340 Forged Steel Crankshaft
      4-350-3875-6000-3 Scat SBC Superlight 4340 Forged Steel Crankshaft
      $2,833.95
      Scat
      Add to Wish List
      Fits Small Block Chevy, 3.875 Stroke, 2.449 (350 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, Approximate Weight 45 LBS, 2 Piece Rear Seal Learn More
    10. SCA-4-400-3875-6000-3 PART NUMBER
      4-400-3875-6000-3 Superlight 4340 Forged Steel Crankshaft
      Scat 4-400-3875-6000-3 Superlight 4340 Forged Steel Crankshaft
      $2,833.95
      Scat
      Add to Wish List
      Fits Small Block Chevy, 3.875 Stroke, 2.649 (400 Main), 2.100 Rod Journal, 6.000 or Longer Rod, Internal Balance, Approximate Weight 46 LBS, 2 Piece Rear Seal Learn More

    Products (1-10 of 49)

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      3.875
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    1. Brodix 1 item
    2. Callies 14 items
    3. Compstar 2 items
    4. Crower 6 items
    5. Eagle 3 items
    6. Howards 1 item
    7. Manley 2 items
    8. Molnar 3 items
    9. Scat 17 items
    Price
    Balance Type
    1. Internal 40 items
    2. Internal/External 3 items
    Crankshaft Material
    1. 4340 Steel 48 items
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    1. Enduro 1 item
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    12. Ultra Dirt 1 item
    Crankshaft Stroke
    1. 2.870 1 item
    2. 2.953 1 item
    3. 3.000 13 items
    4. 3.020 1 item
    5. 3.059 1 item
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    7. 3.125 3 items
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    17. 3.386 1 item
    18. 3.400 15 items
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    21. 3.465 2 items
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    41. 3.766 6 items
    42. 3.779 1 item
    43. 3.790 3 items
    44. 3.795 2 items
    45. 3.800 25 items
    46. 3.819(97mm) 2 items
    47. 3.850 17 items
    48. 3.875 49 items
    49. 3.895 2 items
    50. 3.898 1 item
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    66. 4.170 2 items
    67. 4.180 1 item
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    69. 4.210 3 items
    70. 4.250 100 items
    71. 4.300 13 items
    72. 4.375 33 items
    73. 4.400 1 item
    74. 4.500 60 items
    75. 4.562 3 items
    76. 4.600 1 item
    77. 4.625 15 items
    78. 4.650 2 items
    79. 4.750 31 items
    80. 4.875 4 items
    81. 5.000 2 items
    82. 5.125 1 item
    83. 5.200 1 item
    84. 5.250 1 item
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    86. 5.375 1 item
    87. 5.500 2 items
    88. 73.7mm 1 item
    89. 75mm 3 items
    90. 77.7mm 2 items
    91. 79.0mm 4 items
    92. 81.40mm 1 item
    93. 83.0mm 3 items
    94. 86.00mm 1 item
    95. 86.70mm 1 item
    96. 87.20mm 1 item
    97. 88.0mm 4 items
    98. 90.77mm 1 item
    99. 91mm 2 items
    100. 92mm 1 item
    101. 94.0mm 6 items
    102. 94.40mm 1 item
    103. 95mm 1 item
    104. 96mm 1 item
    105. 98mm 1 item
    106. 99.9mm 2 items
    107. 100.0mm 5 items
    108. 102mm 1 item
    109. 106mm 1 item
    Main Journal
    1. 2.449 16 items
    2. 2.450 2 items
    3. 2.649 9 items
    4. 2.749 2 items
    5. 350 10 items
    6. 400 4 items
    Rear Main Seal
    1. 1 Piece 4 items
    2. 2 Piece 39 items
    Rod Journal
    1. 1.888 1 item
    2. 2.000 12 items
    3. 2.100 28 items
    4. 2.200 2 items
    Vehicle Make
    1. BB Chevy 2 items
    2. BB Chrysler 1 item
    3. SB Chevy 46 items
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