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- Eagle Forged 4340 Steel Crankshafts
Top-of-the-Line Competition Crankshafts
Eagle Forged 4340 Steel Crankshafts are forged from ASME-certified 4340 steel in a non-twist forging and undergo an X-Ray inspection, magnafluxing, and sonic testing to ensure quality.
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Buick
$645.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Chevy Big Block
Chevrolet 396 Forged 4340 Steel Crankshaft,3.766'' Stroke 6.135'' or Longer Rod Length 2.200'' Rod Journal 2-Piece Rear Main Seal Internal Balance (Center Counterweight) 2350 bobweight
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$1,041.99
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Eagle 439637676135
Eagle CRS-439637676135 Forged 4340 Steel Center Counterweighted Crankshaft for Chevy Big Block w/2-Piece Rear Seal [3.766 in. Stroke]
Forged 4340 CrankshaftChevy Big Block 396, 454 ci. Center Counterweighted Stroke: 3.766 in. Min. Rod Length: 6.135 in. Rod Journal: 2.200 in. Main Journals: 2.749 in. Intended Balance: Internal Weight: 74 lbs 2-Piece Rear Seal
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$1,298.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Eagle 445440016135
Eagle CRS-445440016135 Forged 4340 Steel Center Counterweighted Crankshaft for Chevy Big Block w/2-Piece Rear Seal [4 in. Stroke]
Forged 4340 CrankshaftChevy Big Block 454 ci. Center Counterweighted Stroke: 4 in. Min. Rod Length: 6.135 in. Rod Journal: 2.200 in. Main Journals: 2.749 in. Intended Balance: Internal Weight: 74 lbs 2-Piece Rear Seal
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$1,200.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Chevrolet 454 Forged 4340 Steel Crankshaft 4.000'' Stroke 6.135'' or Longer Rod Length 2.200'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance (Center Counterweight) 2350 Bobweight
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$1,045.99
Estimated to ship direct from manufacturer on 07/28/26, pending manufacturer availability.
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Lightweight Forged 4340 Steel CrankshaftBig Block Chevy 4.250 in. Stroke 6.385 in. or Longer Rod 2.200 in. Rod Journal 2-Piece Rear Main Seal 68 lbs. Internal Balance 2350 Bobweight
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$1,188.99
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Chevrolet 454 Forged 4340 Steel Crankshaft 4.250'' Stroke 6.385'' or Longer Rod Length 2.200'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance (Center Counterweight) 2300 Bobweight
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$1,016.99
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Chevrolet 502 Forged 4340 Steel CrankshaftTall Deck 4.250'' Stroke 6.385'' or Longer Rod Length 2.200'' Rod Journal 1-Piece Rear Seal (Late Style) Internal Balance 2350 Bobweight
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$1,148.99
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Chevrolet 454 (Mark V & VI) Forged 4340 Steel Crankshaft 4.250'' Stroke 6.385'' or Longer Rod Length 2.200'' Rod Journal 1-Piece Rear Seal (Late Style) Internal Balance 2350 Bobweight
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$1,304.99
Estimated to ship direct from manufacturer on 07/28/26, pending manufacturer availability.
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Chevrolet 502 Forged 4340 Steel CrankshaftTall Deck 4.375'' Stroke 6.385'' or Longer Rod Length 2.200'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance (Center Counterweight) 2300 Bobweight
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$1,008.99
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Chevrolet 454 Forged 4340 Steel Crankshaft 4.500'' Stroke 6.535'' or Longer Rod Length 2.200'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance (Center Counterweight) 2300 Bobweight
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$1,016.99
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Chevy Small Block
Chevrolet 350 Ultra Lightweight Forged 4340 Steel Crankshaft 3.480'' Stroke 5.700''/6.000'' Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 44lbs appx 1670 Bobweight
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$979.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Chevrolet 350 Ultra Lightweight Forged 4340 Steel Crankshaft 3.500'' Stroke 5.700''/6.000'' Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 44lbs appx 1670 Bobweight
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$990.99
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Chevrolet 350 Lightweight Forged 4340 Steel Crankshaft 3.750'' Stroke 5.700'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 50lbs appx Will balance 1830 bobweight without heavy metal
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$940.99
Estimated to ship direct from manufacturer on 07/28/26, pending manufacturer availability.
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Chevrolet 350 Forged 4340 Steel Crankshaft 3.000'' Stroke 5.700'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1875 Bobweight
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$862.99
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Chevrolet 350 Forged 4340 Steel Crankshaft 3.250'' Stroke 5.700'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1875 Bobweight
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$1,050.99
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Chevrolet 350 Forged 4340 Steel Crankshaft 3.480'' Stroke 5.700'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1875 Bobweight
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$823.99
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Chevrolet 350 Forged 4340 Steel Crankshaft 3.480'' Stroke 5.700''/6.000'' Rod Length 2.100'' Rod Journal 1-Piece Rear Seal (Late Style) Internal Balance 1875 Bobweight
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$924.99
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Chevrolet 350 Forged 4340 Steel Crankshaft 3.750'' Stroke 5.700'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1875 Bobweight
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$915.99
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Eagle 4350375057B1
Eagle Forged 4340 Steel Crankshaft for Small Block Chevy 350 2-Piece Rear Main [3.750 in. Stroke | Big Block Snout w/ 3/16 Keyway]
Forged 4340 Steel CrankshaftSmall Block Chevy 350 Big Block Style Snout w/ 3/16 in. Keyway 3.750 in. Stroke 5.700 in. or Longer Rod 2.100 in. Rod Journal 2-Piece Rear Seal Internal Balance
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$999.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Eagle 4350375057B2
Eagle Forged 4340 Steel Crankshaft for Small Block Chevy 350 2-Piece Rear Main [3.750 in. Stroke | Big Block Snout w/ 1/4 Keyway]
Forged 4340 Steel CrankshaftSmall Block Chevy 350 Big Block Style Snout w/ 1/4 in. Keyway 3.750 in. Stroke 5.700 in. or Longer Rod 2.100 in. Rod Journal 2-Piece Rear Seal Internal Balance
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$1,077.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Eagle 4350375057BN
Eagle Forged 4340 Steel Crankshaft for Small Block Chevy 350 2-Piece Rear Main [3.750 in. Stroke | Big Block Snout]
Forged 4340 Steel CrankshaftSmall Block Chevy 350 Big Block Style Snout w/ 1/4 in. Keyway 3.750 in. Stroke 5.700 in. or Longer Rod 2.100 in. Rod Journal 2-Piece Rear Seal Internal Balance
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$956.99
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Chevrolet 350 Forged 4340 Steel Crankshaft 3.750'' Stroke 5.700''/6.000'' Rod Length 2.100'' Rod Journal 1-Piece Rear Seal (Late Style) Internal Balance 1875 Bobweight
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$959.99
Estimated to ship direct from manufacturer on 07/28/26, pending manufacturer availability.
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Chevrolet 350 Forged 4340 Steel Crankshaft 3.875'' Stroke 6.000'' Rod Length 2.100'' Rod Journal 1-Piece Rear Seal (Late Style) Internal Balance 1875 Bobweight
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$964.99
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Eagle 440034805700
Eagle Chevrolet 400 Forged 4340 Steel Crankshaft 400 Main Journals, No Spacer Bearings Required
Chevrolet 400 Forged 4340 Steel Crankshaft 400 Main Journals, No Spacer Bearings Required 3.480'' Stroke 5.700'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1900 Bobweight
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$1,053.99
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Chevrolet 350 Forged 4340 Steel Crankshaft3.875'' Stroke 6.000'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1855 Bobweight
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$896.99
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Chevrolet 350 Forged 4340 Steel Crankshaft4.000'' Stroke 6.000'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1855 Bobweight
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$915.99
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Eagle 440037505700
Eagle Chevrolet 400 Forged 4340 Steel Crankshaft 400 Main Journals, No Spacer Bearings Required
Chevrolet 400 Forged 4340 Steel Crankshaft 400 Main Journals, No Spacer Bearings Required 3.750'' Stroke 5.700'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1900 Bobweight
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$862.99
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Chevrolet 400 Forged 4340 Steel Crankshaft 400 Main Journals, No Spacer Bearings Required 3.875'' Stroke 6.000'' or Longer Rod Length 2.100'' Rod Journal 2-Piece Rear Seal (Early Style) Internal Balance 1900 Bobweight
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$919.99
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$914.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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