Engine Blocks & Accessories

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 12V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000311

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Main Studs, SCM-4140 Alloy Steel, 12-Point, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit

Part Number: PQX-1000321

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Estimated Ship Date: Oct 27, 2025 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 27, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262119

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Pontiac, 421, 428, 455, Set

Part Number: MIL-11520

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Main Caps, Angled Side Bolt, Ductile Iron, CNC Machined, Holden, V8, Kit

Part Number: MIL-11570

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Estimated Ship Date: Dec 9, 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: Dec 9, 2025 if ordered today

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Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, 400 Main, Chevy, Small Block, Set

Part Number: MIL-11180

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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Cylinder Sleeve Assembly - Cum. 139.7mm/5.500" Bore 855 PP Std Lnr (OE#3801768)

Part Number: MAH-2261749

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Estimated Ship Date: Oct 8, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-10003

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Estimated Ship Date: Oct 3, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2261969

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Main Studs, 4-Bolt Main, Merlin IV, Billet Main Caps, Chevy, Big Block, Kit

Part Number: WRL-701416

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Estimated Ship Date: Oct 13, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262020

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Estimated Ship Date: Oct 23, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262045

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Estimated Ship Date: Oct 23, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262099

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Estimated Ship Date: Oct 23, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262106

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Cylinder Sleeve Assembly - Cat. 137mm/5.400" Bore 3406B (with OE#2900017)

Part Number: MAH-2261734

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Cylinder Sleeve Assembly - Cummins Diesel 5.500" Bore NH/NT 855 Series Engs.

Part Number: MAH-2261772

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Cylinder Sleeve Assembly - Case/IH/Nav. 117.5mm/4.625" Bore A336BD, A504BD

Part Number: MAH-2261846

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Estimated Ship Date: Oct 13, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262043

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Estimated Ship Date: Oct 23, 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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Cylinder Sleeve Assembly - Cummins N-14, plus ring set, std liner

Part Number: MAH-2261911

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Four Bolt Main Cap Kit

Part Number: PIO-839022

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CYL WORKS STD BORE FRONT CYL C

Part Number: CLW-30007

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Estimated Ship Date: Oct 6, 2025 if ordered today

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CYL WORKS STD BORE REAR CYL CY

Part Number: CLW-30008

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Estimated Ship Date: Oct 6, 2025 if ordered today

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