Engine Blocks & Parts

Main Cap, SB Chev 350

Part Number: HRS-H350S-1

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Main Cap SB Chev 400

Part Number: HRS-H400-1

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Estimated Ship Date: Oct 13, 2025 if ordered today

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SPRING OILER JET .015 DIA ORIFICE, 16 PACK

Part Number: MOR-68825

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Cylinder Sleeve, Cast Iron, 5.000 in. Bore I.D., 0.140 in. Wall Thickness, 13.000 in. Length, Each

Part Number: MEL-CSL526-015

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Engine Expansion Plugs

Part Number: NAL-10241154

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Estimated Ship Date: Nov 26, 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: Nov 26, 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: Nov 26, 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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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: Nov 26, 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 22, 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 22, 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 10, 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 10, 2025 if ordered today

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Oil Cooler Block-Off Plate, Aluminum, Black Anodized, Chevy, LS, Each

Part Number: PGP-PRP-4525

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Estimated Ship Date: Sep 10, 2025 if ordered today

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AN Block Adapters, -12 AN Adapters, Clear Anodized, Chevy, Small Block, Kit

Part Number: PGP-PRP-6850

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Estimated Ship Date: Sep 10, 2025 if ordered today

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CYL SLEEVE ISX

Part Number: CLE-2264641

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Estimated Ship Date: Oct 1, 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 15, 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 15, 2025 if ordered today

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EXPANSION PLUG

Part Number: MGR-555-108

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Expansion Plugs, Copper, Diameter 1.750 in., Jeep, Set of 5

Part Number: RNB-568-011

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Expansion Plugs, Brass, Diameter 1.260 in., Ford, Mercury, Each

Part Number: RNB-565-024

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Brass Cup Expansion Plug 1-61/64 In., Height 0.510

Part Number: RNB-565-041

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Brass Cup Expansion Plug 2 In., Height 0.566

Part Number: RNB-565-044

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Brass Cup Expansion Plug 34.3mm, Height 0.497

Part Number: RNB-565-104

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rear Main Seal Cover Kit

Part Number: RNB-635-696

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Estimated Ship Date: Sep 8, 2025 if ordered today

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