Engine Blocks & Parts

WASHER FOR MAIN CAP SIDE BOLT

Part Number: EDL-549305-1

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each

Part Number: EDL-54903U

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Estimated Ship Date: Oct 7, 2025 if ordered today

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MAIN CAP 8620 STEEL FOR RHS LS Alumiunum Race Blocks

Part Number: EDL-549100-1

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Rebore Kit

Part Number: MAH-0024702-AM

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Main Studs, 4-Bolt, Pontiac 389-455, Center Studs, Kit

Part Number: MIL-81222

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Rear Main Seal Housing, Aluminum, Natural, Chevrolet Performance LSX Block, Each

Part Number: NAL-19369274

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Main Studs, SCM-4140 Alloy Steel, 12-Point, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LBZ/LMM, Kit

Part Number: PQX-1000323

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Estimated Ship Date: Oct 24, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-10006

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Estimated Ship Date: Oct 6, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-20005

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Estimated Ship Date: Oct 6, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: MAH-IMKT545803T

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Cylinder Sleeve Wet With O-Rings - Caterpillar 3500 - w/ Wide Flange Sleeve Ind., Gen., Marine 8-12-16 cyl

Part Number: MAH-2264557

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Cylinder Sleeve Wet With O-Rings - Cms. 159mm/6.250" Bore K19 (OE#4009231WS/4024773), 020"/.020" O.S Flange,

Part Number: MAH-2264563

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Sleeve Assembly Ring Set - Cat. 137mm/5.400" Bore 3400E, C15 (OE#Top 1777496(1)+ Int.1765749(1)+Oil

Part Number: MAH-S41927

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Sleeve Assembly Ring Set - Cummins, H4, H6, H672, HR4, HRC, H734, HR6, HRF, NHC4, NT4, N734,

Part Number: MAH-S41314

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Sleeve Assembly Ring Set - Caterpillar 3500 Series, 3508 Ind.,Gen.,Marine 8,12,16 cyl 6.700 in. Bore D

Part Number: MAH-S41832

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Estimated Ship Date: Oct 14, 2025 if ordered today

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