Engine Blocks & Accessories

Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81141

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Main Cap Fasteners, Milodon Angle Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Ford, 351 Windsor, Kit

Part Number: MIL-81164

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Main Studs, 2-Bolt, Ford, 429, 460 with Windage Tray, Kit

Part Number: MIL-81189

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Gen III Hemi Main Studs

Part Number: MIL-81200

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Main Studs, 2-Bolt, Oldsmobile, 350, 400, 425, 455, with Windage Tray, Kit

Part Number: MIL-81217

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Estimated Ship Date: Nov 21, 2025 if ordered today

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MAIN CAP FASTENERS

Part Number: NAL-12480108

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Estimated Ship Date: Dec 1, 2025 if ordered today

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BB Chevy Main Caps - Unplated

Part Number: MIL-11201

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Estimated Ship Date: Nov 21, 2025 if ordered today

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SB Chevy WP Motown iron block msk

Part Number: ARP-134-5603

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Main Studs, 2-Bolt, Ford, 289, 302, with Windage Tray, Kit

Part Number: MIL-81156

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Heavy Duty Main Stud Kit for Dodge (2003-07) 5.9L Common Rail Cummins Diesel w/ Factory Girdle

Part Number: GFN-MSK59CR

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Estimated Ship Date: Tomorrow if ordered today

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CYLINDER BLOCK SLEEVE, CYLINDER BLOCK SLEEVE, 1989-2010

Part Number: CBM-04429166

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Estimated Ship Date: Sep 29, 2025 if ordered today

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892 Oil Adapter Block w/212

Part Number: DWR-32-892-212

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Main Studs, 4-Bolt, Pontiac, 326-455, with Windage Tray, Kit

Part Number: MIL-81224

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 7, 2025 if ordered today

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Main Studs, 2-Bolt Main, Cummins, 5.9L, Kit

Part Number: GFN-MSK5924

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Estimated Ship Date: Tomorrow if ordered today

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Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LLY, Kit

Part Number: GFN-MSK667Y

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Estimated Ship Date: Tomorrow if ordered today

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Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LBM, LMM, Kit

Part Number: GFN-MSK66ZM

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Estimated Ship Date: Tomorrow if ordered today

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Cylinder Sleeve, Powersports, Cast Iron, 3.602 Bore, Triumph, Each

Part Number: WIS-W6194

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Estimated Ship Date: Sep 8, 2025 if ordered today

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MAIN GIRDLE, BILLET STEEL, OLDS 350-403, incl PRW studs & hardware

Part Number: PQX-9040311

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Estimated Ship Date: Sep 25, 2025 if ordered today

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EXPANSION PLUG

Part Number: PIO-EPC-30-B-100

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EXPANSION PLUG

Part Number: PIO-EPC-41-250

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BRASS EXPANSION PLUG 50/BOX

Part Number: PIO-EPC-75-B-50

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EXPANSION PLUG

Part Number: PIO-EPC-85-250

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Four Bolt Main Cap Kit

Part Number: PIO-839021

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Main Stud Kit

Part Number: PIO-855007

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Main Stud Kit

Part Number: PIO-855012

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