Engines, Bare Blocks

Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 6 Head bolt Pattern, 9.240 in. Std. Deck 4.125 in. Bore, GenIII/IV LS Chevrolet, Each

Part Number: SUM-150216

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Engine Block, Aluminum, 6-Bolt Mains, 4.120 in. Diameter Bore, Standard Deck, Raised Camshaft Location, 1-Piece Rear Main Seal, Chevy, LS, Each

Part Number: EDL-54903U-904

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Bare Block, LTR, Aluminum, LS Mains, 4.125 in. Bore, 9.25 in. Deck Height, Each

Part Number: FLE-FPELTRSD10X

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Bare Block

Part Number: NAL-19417353

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Standard Deck, Chevrolet, Each

Part Number: NAL-19417352

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Engine Block, 6.0L, LQ4/LQ9, Cast Iron, 9.240 in Deck Height, 4.002 in. Cylinder Bore, Chevy, Each

Part Number: NAL-12733807

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Engine Block LS, SIAM, 9.240 x 4.125, BILLET MC, 4 HD BLT

Part Number: MLL-BPP12110359

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Estimated Ship Date: Dec 14, 2026 if ordered today

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Engine Block LS, SIAM, 9.240 x 4.000, BILLET MC, 4 HD BLT

Part Number: MLL-BPP12110358

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Estimated Ship Date: Dec 14, 2026 if ordered today

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