Engine Blocks & Parts

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: Sep 24, 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: Sep 24, 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: Sep 24, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: MAH-IMKT545803T

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Estimated Ship Date: Sep 24, 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: Sep 24, 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: Sep 24, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: MAH-2244051

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091101-55

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Estimated Ship Date: Sep 22, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262093

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Engine Expansion Plug, Steel, 0.875 in. Diameter, Jeep, 2.5L, 4.2L, Each

Part Number: CWA-J3172319

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Estimated Ship Date: Nov 11, 2025 if ordered today

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CYLINDER SLEEVE

Part Number: MEL-CSL1118N

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Kit, Freeze Plug

Part Number: RRA-18-56481

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Estimated Ship Date: Sep 24, 2025 if ordered today

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Expansion Plug

Part Number: RRA-18-4201

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Estimated Ship Date: Sep 24, 2025 if ordered today

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CYLINDER SLEEVE ASSEMBLY

Part Number: CLE-2262158

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Estimated Ship Date: Oct 3, 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, Tall, Each

Part Number: EDL-54901U

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Estimated Ship Date: Sep 16, 2025 if ordered today

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CYLINDER SLEEVE, 4.125 X 9.750 (OUTER LEFT), CYL. # 1 & 8

Part Number: EDL-549113-1

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Estimated Ship Date: Sep 16, 2025 if ordered today

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Main Studs, 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81129

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Kit

Part Number: MIL-81130

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81131

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Kit

Part Number: MIL-81133

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81134

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Estimated Ship Date: Nov 17, 2025 if ordered today

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BB ChevyMerlin with Windage Tray Main Studs

Part Number: MIL-81136

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Caps, Ductile Iron, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11165

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit

Part Number: MIL-81139

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Cap Fasteners, Milodon Straight Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Chevrolet, Big Block, Kit

Part Number: MIL-81140

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Estimated Ship Date: Nov 17, 2025 if ordered today

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