Engine Blocks & Parts | Summit Racing

Milodon Main Stud Kits 81135

Milodon Main Stud Kits 81135

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

Part Number: MIL-81135

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

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ARP High Performance Series Main Bolts 135-5201

4.25 out of 5 stars ( 6 )

Estimated Ship Date: Today

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ARP Main Stud Kits 151-5406

Main Studs, Hex Head Nuts, Ford, 2.0L, Zetec, Kit

Part Number: ARP-151-5406

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PRW Main Cap Stud Kits 1000306

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 4-Bolt Mains, 6.0L, V8, Powerstroke, Diesel, Ford, Kit

Part Number: PQX-1000306

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Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

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Summit Racing™ Extreme Duty Main Studs SUM-910515

Not Yet Reviewed

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Edelbrock Main Cap Nuts 549303-1

NUT MAIN CAP 12PT FOR RHS BLO

Part Number: EDL-549303-1

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

ARP Main Stud Kits 202-5803

Main Studs, Nissan Diesel, YD25 2.5L, Kit

Part Number: ARP-202-5803

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gator Fasteners Main Stud Kits MSK667Y

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

Part Number: GFN-MSK667Y

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 81222

Main Studs, 4-Bolt, Pontiac 389-455, Center Studs, Kit

Part Number: MIL-81222

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

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ARP Main Stud Kits 194-5601

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pioneer Automotive Main Caps 839057

Main Caps

Part Number: PIO-839057

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

World Products Main Cap Fasteners 701413

Main Bolts, 4-Bolt Main, Merlin IV, Nodular Iron Main Caps, Chevy, Big Block, Kit

Part Number: WRL-701413

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

Milodon Main Stud Kits 81115

Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

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ARP High Performance Series Main Bolts 134-5202

4.75 out of 5 stars ( 37 )

Estimated Ship Date: Today

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Top Street Performance Main Cap Fasteners 719-131962

PRO SERIES MAIN STUD KIT - CHEVY SB, 2-BOLT, LARGE JOURNAL, HEX

Part Number: TSN-719-131962

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 734-131955

PRO SERIES MAIN STUD KIT - GM GEN III/IV LS, LSX, 12-PT

Part Number: TSN-734-131955

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Dart Main Caps 32781030

MAIN CAP EACH

Part Number: DRT-32781030

Not Yet Reviewed

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ARP Main Stud Kits 234-5604

Main Studs, 4-Bolt Main, Chevy Small Block, Large Journal, with Straps & Splayed Caps, Kit

Part Number: ARP-234-5604

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Estimated Ship Date: Today

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Milodon Main Stud Kits 81155

Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Ford, 302 Windsor, Kit

Part Number: MIL-81155

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

ARP Main Stud Kits 141-5401

Main Studs, 2-Bolt Main, Chrysler, Dodge, Plymouth, 1981-94, 2.2L, Kit

Part Number: ARP-141-5401

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ARP High Performance Series Main Bolts 134-5203

Main Bolts, High Performance Series, 4-bolt Main, Hex, Designed To Fit World Motown Cast Iron Engine Blocks, Kit

Part Number: ARP-134-5203

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PRW Main Girdle Stud Kits 1000211

OLDS 350-403, Stud Kit, Main Girdle, Includes 8ea, 1/2" Longer Studs, 7/16"-14/20 x 4.50" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000211

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Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Brian Tooley Racing Main Cap Fasteners BTR45475

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

Part Number: BTC-BTR45475

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

Top Street Performance Main Cap Fasteners 619-131952

PRO SERIES MAIN STUD KIT - SBF 289-302, 2-BOLT, HEX

Part Number: TSN-619-131952

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

Top Street Performance Main Cap Fasteners 624-131954

PRO SERIES MAIN STUD KIT - FORD 351W, 4-BOLT, HEX

Part Number: TSN-624-131954

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 722-13248

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

Part Number: TSN-722-13248

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

PPE Main Cap Fasteners 218035200

Main Stud Kit - RAM 5.9L Cummins 24V 1998.5-2003 PPE

Part Number: PPE-218035200

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Gator Fasteners Main Cap Fasteners MSK73

Heavy Duty Main Stud Kit for Ford (1994-03) 7.3L Power Stroke Diesel

Part Number: GFN-MSK73

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

Milodon Main Stud Kits 81128

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

Part Number: MIL-81128

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