Engine Blocks & Parts

CYL SLEEVE ASSEMBLY

Part Number: MAH-IMKT545803T

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.245 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-095000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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CHEV 400, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 7/16" -14/20 x 5.00" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000207

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Estimated Ship Date: Nov 21, 2025 if ordered today

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STUD KIT, MAIN GIRDLE, OLDS 455, incl PRW studs & hardwareStuds, PRW Fasteners & Hardware.

Part Number: PQX-1000213

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Estimated Ship Date: Nov 21, 2025 if ordered today

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MAIN CAP STUD KIT, FORD Powerstroke, 6.4L, 2008-2010, Custom-4140 Alloy Steel, 200,000 PSI

Part Number: PQX-1000308

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Estimated Ship Date: Nov 21, 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: Nov 21, 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: Nov 21, 2025 if ordered today

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Main Caps, Billet Steel, 2-Bolt, Big Block FE, V8, 332-428 c.i.d., Ford, Set of 4

Part Number: PQX-1739001

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Estimated Ship Date: Nov 21, 2025 if ordered today

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BTR MAIN STUD KIT - 4.5" LONG AND 4.75" LONG STUDS - BTR45475

Part Number: BTC-BTR45475

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Main Cap Fasteners Brian Tooley Racing Custom Age 625+ LS Main Stud Kit

Part Number: BTC-BTRCA625MSK

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Expansion Plug

Part Number: RRA-18-4201

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Offset Dowel Pins Mazda Rotary .007

Part Number: IST-BHI-00007

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Offset Dowel Pins Mazda Rotary .014

Part Number: IST-BHI-00014

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Offset Dowel Pins Mazda Rotary .021

Part Number: IST-BHI-00021

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Offset Dowel Pins AMC Jeep .014

Part Number: IST-BHJ-01014

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Kit, Freeze Plug

Part Number: RRA-18-56481

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Cylinder Sleeve, Chromoly, 89.00mm Bore, for use on Honda®, Each

Part Number: WIS-3052FA

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Estimated Ship Date: Nov 3, 2025 if ordered today

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S&S Cycle 2018+ M8 Softail Models MK-Series Crankcase Assembly

Part Number: SSY-310-1326

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Estimated Ship Date: Oct 31, 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: Oct 30, 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: Feb 4, 2026 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: Feb 4, 2026 if ordered today

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Bare Block

Part Number: NAL-19417353

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Estimated Ship Date: Feb 4, 2026 if ordered today

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Engine Expansion Plugs

Part Number: NAL-10241154

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Estimated Ship Date: Feb 4, 2026 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: Jan 5, 2026 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: Nov 4, 2025 if ordered today

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