Engines & Components

Crankshaft 4-LS7-4000-6125-58, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.000 Stroke 6.125 Length 2.100 Jou

Part Number: SCA-4LS740065

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.85 in. Stroke, Ford, 351W, Each

Part Number: SCA-4351W45

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Estimated Ship Date: Dec 10, 2025 if ordered today

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FLATHEAD

Part Number: SCA-923910

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each

Part Number: ESP-435038756000

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CRANK-4340 FORGE 4.500 STROKE

Part Number: MAN-190220

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Cylinder Heads, Freedom Series, Bare, Aluminum, Natural, 64cc Chamber, Angle Plug, Chevy, Small Block, Pair

Part Number: PMX-2108

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Estimated Ship Date: Nov 13, 2025 if ordered today

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CRANKSHAFT

Part Number: SCA-773503760

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FORGED CRANKSHAFTS

Part Number: SCA-774004060

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.554 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428135545933

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 5, 2025 if ordered today

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Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620-2

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crankshaft, One-piece Seal, Internal Balance, Forged Steel, 3.622 in. Stroke, Cadillac, Chevy, 6.2L, Each

Part Number: NAL-12641691

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 185 cc Intake Runner, Straight Plug, Chevy SB, Pair

Part Number: PMX-2169

4.23 out of 5 stars ( 30 )

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.20 Rod Bearings, Each

Part Number: ESP-440042506700

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542506700

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-440072LW

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CRANK-4340 4.000 STROKE

Part Number: MAN-192124

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Cylinder Heads, E-Street, Aluminum, Assembled, 75cc Chamber, 210cc Intake Runner, Dodge, Chrysler, Plymouth, Big Block, Pair

Part Number: EDL-5090

4.0 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Cylinder Heads, E-Street, Aluminum, Assembled, 60cc Chamber, 170cc Intake Runner, Ford, 289, 302, 351W, Pair

Part Number: EDL-5023

4.58 out of 5 stars ( 24 )

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Cylinder Heads, E-Street, Aluminum, Assembled, 70cc Chamber, 185cc Intake Runner, Chevy, Small Block, Pair

Part Number: EDL-5073

3.93 out of 5 stars ( 14 )

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Cylinder Heads, E-Street, Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevy, Small Block, Pair

Part Number: EDL-5089

4.47 out of 5 stars ( 36 )

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.766 in. Stroke, Chevy, 396, 427, Each

Part Number: ESP-439637666135

4.67 out of 5 stars ( 6 )

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SB Mopar 340 Forged Steel Crank, 3.580 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP34033106

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: ESP-16524040

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-13101060

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