Engine Blocks & Parts

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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Main Cap, SB Chev 350

Part Number: HRS-H350S-1

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Estimated Ship Date: Nov 3, 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: Nov 3, 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 2, 2025 if ordered today

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ENGINE CYLINDERS, 99-06 TWIMCAM (EXC 06 DYNA), 4" CYLINDER KIT BLK

Part Number: SSY-910-0646

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Estimated Ship Date: Oct 2, 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: Oct 6, 2025 if ordered today

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Engine Expansion Plug, Steel, 0.875 in. Diameter, Jeep, 2.5L, 4.2L, Each

Part Number: CWA-J3172319

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Engine Expansion Plug, Steel, Jeep, Willys, 2.2L, Each

Part Number: CWA-941998

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Estimated Ship Date: Dec 4, 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: Nov 4, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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Main Studs, 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81129

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Kit

Part Number: MIL-81130

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81131

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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, 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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FINISHING KIT, GM LS ENGINE 2001-2013 4.8L TO 7.0L

Part Number: CCA-253

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Freeze Plug for 1999-2012 Jeep TJ, WJ, WK, XK, KJ, & KK Models w/ Misc. Engines

Part Number: CWA-6034804AB

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Estimated Ship Date: Dec 4, 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: Oct 8, 2025 if ordered today

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CYLINDER SLEEVE, 4.125 x 9.240(OUTER RIGHT),CYL. # 2 & 7

Part Number: EDL-549111-1

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Estimated Ship Date: Oct 8, 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: Oct 8, 2025 if ordered today

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CYLINDER SLEEVE 4.125 X 9.240

Part Number: EDL-549114-1

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Estimated Ship Date: Oct 8, 2025 if ordered today

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OILER, FOR RHS BLOCK

Part Number: EDL-549120-POL

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Estimated Ship Date: Oct 8, 2025 if ordered today

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BRIGGS SIDE COVER BOLT KIT

Part Number: STG-1906

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Estimated Ship Date: Sep 26, 2025 if ordered today

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CANNONDALE ENGINE CASE BOLTS

Part Number: STG-2001

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Estimated Ship Date: Sep 26, 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: Oct 3, 2025 if ordered today

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