Engines & Components

Crankshaft, Forged 4340, Internal Balance, 4.750 in. Stroke, 6.700 Rod, Chevy Big Block, 8.1L, Each

Part Number: SCA-481030

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445415C

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Estimated Ship Date: Nov 14, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190124

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Estimated Ship Date: Oct 21, 2025 if ordered today

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CYLINDER HEAD

Part Number: PMX-2171HR

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Estimated Ship Date: Tomorrow if ordered today

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Cylinder Heads, Aluminum, Assembled, 64cc Chamber, 190cc Intake Runner, Angle Plug, Chevy, Small Block, Pair

Part Number: PMX-2180

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 1 pc Seal, 5.7L, Kit

Part Number: ESP-B15504L00068

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 5.7L, Kit

Part Number: ESP-B15505L06053

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445415

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 5.7L, Kit

Part Number: ESP-B15504L04068

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Street Performance, Stock Replacement Rotating Assembly

Part Number: SCA-1-92303

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Estimated Ship Date: Nov 10, 2025 if ordered today

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FLATHEAD

Part Number: SCA-923910

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Estimated Ship Date: Nov 17, 2025 if ordered today

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

Part Number: ESP-13010060

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Estimated Ship Date: Sep 22, 2025 if ordered today

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CYLINDER HEADS PAIR

Part Number: PMX-2151HR

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chrysler, 413, 426, 440, Each

Part Number: ESP-444242507100

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Estimated Ship Date: Oct 8, 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: Oct 8, 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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Estimated Ship Date: Today

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CRANK-4340 FORGE 4.500 STROKE

Part Number: MAN-190220

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Crankshaft, Chevy big block, forged, 4.375 stroke, w/ center counterweights

Part Number: MAN-190320

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Estimated Ship Date: Oct 23, 2025 if ordered today

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CRANKSHAFT ASM

Part Number: ADO-12674743

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Bare, 64cc Chamber, 200cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9195A

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Cylinder Heads, Remanufactured, Assembled, Cast Iron, Natural, Ford, 5.8L, Each

Part Number: VRE-2FX1

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• Core Charge $105.00
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Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15402E060

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Estimated Ship Date: Oct 10, 2025 if ordered today

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FORGED CRANKSHAFT

Part Number: SCA-4LT540065

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Estimated Ship Date: Nov 17, 2025 if ordered today

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

Part Number: ESP-B15402L04068

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBO425-CS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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