Main Bearing Cap Bolts

Main Studs, 4-Bolt, Ford, 351C, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81170

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Estimated Ship Date: Jan 15, 2026 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: Jan 15, 2026 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: Jan 15, 2026 if ordered today

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

Part Number: MIL-81133

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Estimated Ship Date: Jan 15, 2026 if ordered today

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BB ChevyMerlin with Windage Tray Main Studs

Part Number: MIL-81136

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit

Part Number: MIL-81139

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Estimated Ship Date: Jan 15, 2026 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: Jan 15, 2026 if ordered today

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Main Stud Kit

Part Number: PIO-855020

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855018

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855015

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855016

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855023

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855014

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855005

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855013

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855001

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Estimated Ship Date: Nov 5, 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: Nov 3, 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: Nov 3, 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: Dec 1, 2025 if ordered today

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Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 12V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000311

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Estimated Ship Date: Dec 1, 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: Dec 1, 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: Dec 1, 2025 if ordered today

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Main Studs, 4-Bolt Main, Merlin IV, Billet Main Caps, Chevy, Big Block, Kit

Part Number: WRL-701416

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Estimated Ship Date: Nov 18, 2025 if ordered today

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STUD MAIN CAP LONG FOR RHS BL

Part Number: EDL-549300-1

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Estimated Ship Date: Nov 13, 2025 if ordered today

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STUD MAIN CAP SHORT FOR RHS B

Part Number: EDL-549301-1

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Estimated Ship Date: Nov 13, 2025 if ordered today

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