Engine Blocks & Accessories

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 22, 2025 if ordered today

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Sleeve Assembly Ring Set - Mack - OEM # (353GC1578B)

Part Number: MAH-S41316

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Sleeve Assembly Ring Set - Caterpillar 1246 cid (20.4L) D342T 6 cyl 5.750 in. Bore Diesel Engs.

Part Number: MAH-S41329

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Sleeve Assembly Ring Set - Cat. 121mm/4.750" Bore 1674, 3300 (OE#2W1709)

Part Number: MAH-S41394

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Sleeve Assembly Ring Set - J.D.Trac. - OEM # (AR72394)

Part Number: MAH-S41400

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Sleeve Assembly Ring Set - Cat. 114mm/4.500" Bore 1100, 3204, 3208, 3 Ring, Keystone 1 &2, 2@1/8,

Part Number: MAH-S41542

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Sleeve Assembly Ring Set - Case (Formerly Case) A-267D, 4-1/8" Bore

Part Number: MAH-S40145

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Sleeve Assembly Ring Set - Caterpillar D353, D, E, D379, D398, D399 Diesel Engines. G353, G379, G398,

Part Number: MAH-S40538

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Sleeve Assembly Ring Set - Case (Formerly IH) D-361 Diesel, DT-361 Diesel, 4-1/8" Bore

Part Number: MAH-S40610

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Sleeve Assembly Ring Set - Cat. 121mm/4.750" Bore 1674, D330C, D333, D334, 3300 (OE#9S3068)

Part Number: MAH-S40963

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Estimated Ship Date: Sep 22, 2025 if ordered today

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REAR MAIN SEAL HOUSING

Part Number: NAL-12705665

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: HRS-H350C-1

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Estimated Ship Date: Oct 13, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2253513

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Sleeve Assembly Ring Set - Caterpillar 1473 cid (24.2L) D353 6 cyl 6.250 in. Bore engine.

Part Number: MAH-S41287

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Estimated Ship Date: Sep 22, 2025 if ordered today

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CYL SLEEVE (DRY)

Part Number: CLE-2264506

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Estimated Ship Date: Oct 2, 2025 if ordered today

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CYL SLEEVE WET W/O O-RING

Part Number: CLE-2264615

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Engine Expansion Plug, Stock Replacement Expansion Plug

Part Number: MEL-MEP-337

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 3.625 in. Bore I.D., 0.094 in. Wall Thickness, 10.250 in. Length, Each

Part Number: MEL-CSL413A

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 4.568 in. Bore I.D., 0.094 in. Wall Thickness, 12.500 in. Length, Each

Part Number: MEL-CSL431

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 3.625 in. Bore I.D., 0.125 in. Wall Thickness, 10.250 in. Length, Each

Part Number: MEL-CSL513A

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Studs, 2-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81125

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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, Kit

Part Number: MIL-81138

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Studs, 2-Bolt, Oldsmobile, 350 Diesel, 400, 425, 455, Kit

Part Number: MIL-81215

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Studs, 2-Bolt, Pontiac, 326-455, Kit

Part Number: MIL-81221

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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