Engines & Components

4340 Forged Superlight

Part Number: SCA-445426C-3

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, Superlite, 4.50 in. Stroke, Chevy, 454, 2-Piece Seal, Will Internal Balance

Part Number: SCA-445430-3

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Estimated Ship Date: Jan 6, 2026 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773502021

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Estimated Ship Date: Jan 6, 2026 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773507620

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773507621

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773508620

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773508621

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4340 Forged Pro Series Big Block Post

Part Number: SCA-774005420

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4340 Forged Pro Series Big Block Post

Part Number: SCA-774007620

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4340 Forged Pro Series Big Block Post

Part Number: SCA-774007621

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4340 Forged Pro Series Big Block Post

Part Number: SCA-774008620

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4340 Forged Pro Series Big Block Post

Part Number: SCA-774008621

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Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck Height, 4.495 in. Bore, Splayed Billet Main Caps, Standard Cam and Lifter bores, Each

Part Number: WRL-095010

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck, 4.495 in. Bore, Billet Caps, 55mm Babbitt Cam Bearings and 0.904 in. Lifter bores, Each

Part Number: WRL-095010-55

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.495 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifter bores, Each

Part Number: WRL-095110

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Estimated Ship Date: Dec 1, 2025 if ordered today

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

Part Number: WRL-030620CNC

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 355 3.480/4.030

Part Number: MAN-290830X

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Estimated Ship Date: Dec 15, 2025 if ordered today

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KIT-SBC 383 3.750/4.040

Part Number: MAN-290940

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Estimated Ship Date: Dec 15, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040

Part Number: MAN-290940H

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.040

Part Number: MAN-290940HX

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.040

Part Number: MAN-290940X

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Estimated Ship Date: Dec 15, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030H

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290030HX

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290030X

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Estimated Ship Date: Dec 15, 2025 if ordered today

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