Engine Blocks & Parts | Summit Racing

Milodon Main Stud Kits 81180

Milodon Main Stud Kits 81180

Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Mopar R3 Small Block LA, Kit

Part Number: MIL-81180

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Pioneer Automotive Main Cap Fasteners 855016

Main Stud Kit

Part Number: PIO-855016

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Milodon Main Stud Kits 81229

Main Studs, 2-Bolt, Cadillac, 472, 500, Kit

Part Number: MIL-81229

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Milodon Main Stud Kits 81137

Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit

Part Number: MIL-81137

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ARP Main Stud Kits 193-5401

Main Studs, Chromoly, Hex Head, Buick, 3.8L, Supercharged, Kit

Part Number: ARP-193-5401

Not Yet Reviewed

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Top Street Performance Main Cap Fasteners 734-21168

PRO SERIES REAR MAIN SEAL HOUSING BOLT KIT - GM GEN III/IV LS, 12-PT

Part Number: TSN-734-21168

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

World Products Main Caps 703370-5

BILLET MAIN CAPS

Part Number: WRL-703370-5

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

ARP Main Stud Kits 207-5403

Main Studs, 4-Bolt Main, Mitsubishi, 2.0L, 4B11, Kit

Part Number: ARP-207-5403

Not Yet Reviewed

Estimated Ship Date: Today

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Gator Fasteners Main Stud Kits MSK64

Main Studs, 4-Bolt Main, Ford, Powerstroke, 6.4L, Kit

Part Number: GFN-MSK64

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Milodon Main Stud Kits 81165

Main Studs, 2-Bolt, Ford, 351C, 351W, Kit

Part Number: MIL-81165

Not Yet Reviewed

Estimated Ship Date: Today

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Milodon Main Caps 11190

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, 7.245 Wide, Set

Part Number: MIL-11190

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

Milodon Main Stud Kits 81145

Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, V8, Kit

Part Number: MIL-81145

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Top Street Performance Main Cap Fasteners 673-131952

PRO SERIES MAIN STUD KIT - FORD GODZILLA 7.3L, 12-PT

Part Number: TSN-673-131952

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Milodon Main Stud Kits 81166

Main Studs, 2-Bolt, Ford, 351W, with Windage Tray, Kit

Part Number: MIL-81166

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Brian Tooley Racing Main Cap Fasteners BTR-CA625-MSK

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

Part Number: BTC-BTRCA625MSK

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Dart SHP Special High Performance Individual Main Caps 32791030

Main Cap, Center, Ductile Iron, 4-Bolt, Angled, Chevy, SHP Dart Block, Each

Part Number: DRT-32791030

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Milodon Main Caps 11501

Main Caps, Front Position, Straight, 4-bolt, Ductile Iron, Pontiac, 421, 428, 455, Each

Part Number: MIL-11501

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

Milodon Main Stud Kits 81125

Main Studs, 2-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81125

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Main Stud Kits SUM-910205

2.75 out of 5 stars ( 3 )

Estimated Ship Date: Today

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World Products Main Cap Fasteners 701416

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

Part Number: WRL-701416

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Pioneer Automotive Main Cap Fasteners 855005

Main Stud Kit

Part Number: PIO-855005

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Top Street Performance Main Cap Fasteners 722-131944

PRO SERIES MAIN STUD KIT - CHEVY BB, 4-BOLT, HEX

Part Number: TSN-722-131944

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Top Street Performance Main Cap Fasteners 719-131964

PRO SERIES MAIN STUD KIT - CHEVY SB, 4-BOLT, LARGE JOURNAL, HEX

Part Number: TSN-719-131964

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Milodon Main Stud Kits 81147

Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, L6, Kit

Part Number: MIL-81147

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Top Street Performance Main Cap Fasteners 624-13250

PRO SERIES MAIN BOLT KIT - FORD 351W, 2-BOLT, HEX

Part Number: TSN-624-13250

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Top Street Performance Main Cap Fasteners 722-131942

PRO SERIES MAIN STUD KIT - CHEVY BB, 2-BOLT, HEX

Part Number: TSN-722-131942

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today