Engine Blocks & Parts

Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Mopar R3 Small Block LA, Kit

Part Number: MIL-81180

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Estimated Ship Date: Nov 25, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2252513020

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Estimated Ship Date: Oct 13, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2252738020

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Estimated Ship Date: Oct 13, 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 2, 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 2, 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 2, 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 2, 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 2, 2025 if ordered today

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REAR MAIN SEAL HOUSING

Part Number: NAL-12705665

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Estimated Ship Date: Dec 5, 2025 if ordered today

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S&S Cycle 5/16-24 UNF x 5.750in Crankcase Alignment Stud

Part Number: SSY-31-2003

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Estimated Ship Date: Sep 22, 2025 if ordered today

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S&S Cycle 70-99 BT .340in x .420in x 1.375in Crankcase Oil Screen Spring

Part Number: SSY-31-2011-S

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Engine Expansion Plugs

Part Number: NAL-10241154

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Estimated Ship Date: Dec 5, 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: Nov 25, 2025 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: NAL-19433406

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Estimated Ship Date: Dec 5, 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: Dec 5, 2025 if ordered today

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Engine Expansion Plug, Brass, 1.625 in. O.D., Each

Part Number: NAL-94673017

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Top End Engine Kit, 110 in Power Package, Black Wrinkle Finish, 585 Easy Start Cams, Harley-Davidson®, Kit

Part Number: SSY-330-0668

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Estimated Ship Date: Sep 22, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: MAH-2244051

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Freeze Plug (Priced Per Pkg Of 8)

Part Number: RRA-18-5961-9

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Billet Cover, LS3 Billet Valley Cover

Part Number: AAF-ALL90107

4.0 out of 5 stars ( 1 )

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 2, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-10003

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Estimated Ship Date: Sep 22, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262114

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Estimated Ship Date: Oct 13, 2025 if ordered today

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CYL SLEEVE ISX

Part Number: CLE-2264641

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Estimated Ship Date: Oct 13, 2025 if ordered today

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CYL SLEEVE WET W/ O-RING

Part Number: CLE-2264616

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Estimated Ship Date: Oct 13, 2025 if ordered today

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