Engine Blocks & Parts | Summit Racing

Milodon Main Stud Kits 81147

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 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

Milodon Main Stud Kits 81185

Main Studs, 2-Bolt, Chrysler 318-360, 383-440 and 331-392 Early Hemi, Kit

Part Number: MIL-81185

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PRW Power Main Cap Fasteners 1000308

MAIN CAP STUD KIT, FORD Powerstroke, 6.4L, 2008-2010, Custom-4140 Alloy Steel, 200,000 PSI

Part Number: PQX-1000308

Not Yet Reviewed

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-910518

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ARP Main Stud Kits 203-5404

Main Studs, 2-Bolt Main, Toyota, 2.0L, 3SGTE, Kit

Part Number: ARP-203-5404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Trick Flow® Main Cap Fastener Replacement Hardware Kits TFS-51500700-HK

Replacement, Hardware Kit, 2-Bolt Main, Ford, with Trick Flow® Main Cap Girdle,

Part Number: TFS-51500700-HK

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ARP Main Stud Kits 205-5401

Holden 308 V8 main stud kit

Part Number: ARP-205-5401

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PRW Main Cap Stud Kits 1045422

Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, 2-Bolt Main, Chevy, Big Block, Kit

Part Number: PQX-1045422

Not Yet Reviewed

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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ARP High Performance Series Main Bolts 135-5002

5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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ARP Main Stud Kits 207-5401

Main Studs, 2-Bolt Main, Mitsubishi, 2.0L, 4G63, 4G63T, Kit

Part Number: ARP-207-5401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PRW Billet Steel Main Girdles 9035000

Main Cap Girdle, 2-Piece Rear Seal, 1045 Billet Steel, with PRW Steel Studs, Spacers, and Nuts, Chevy, 5.7L/350 Only, Each

Part Number: PQX-9035000

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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World Products Main Caps WPI703370C

Main Caps, Merlin III, 3-Center, Angled Outer Bolts, 4-Bolt, Chevrolet, Big Block, Each

Part Number: WRL-703370C

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

Gator Fasteners Main Stud Kits MSK394BT

Main Studs, 2-Bolt Main, Cummins, 3.9L, Kit

Part Number: GFN-MSK394BT

Not Yet Reviewed

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Gator Fasteners Main Stud Kits MSK60

Main Studs, 4-Bolt Main, Ford, Powerstroke, 6.0L, Kit

Part Number: GFN-MSK60

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

PRW Billet Steel Main Girdles 9040000

MAIN GIRDLE, BILLET STEEL, CHEV 400, incl PRW fasteners & hdwe

Part Number: PQX-9040000

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

ARP Main Stud Kits 218-5401

Main Studs, 2-Bolt, Mazda, 1.6, 1.8L, Kit

Part Number: ARP-218-5401

Not Yet Reviewed

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Summit Racing™ Main Stud Kits SUM-910204

Main Studs, 4-bolt Style, 180,000 psi Yield Strength, Washers, Nuts, Chevy, Small Block, Kit

Part Number: SUM-910204

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Gator Fasteners Main Stud Kits MSK5912

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

Part Number: GFN-MSK5912

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

PRW Main Cap Stud Kits 1035042

Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, Large Journal, 4-Bolt Main, Chevy, Small Block, Kit

Part Number: PQX-1035042

Not Yet Reviewed

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ARP Main Stud Kits 202-5406

Main Studs, 2-Bolt Main, for Nissan, 2.4, 2.6, 2.8L, 6-Cylinder, Kit

Part Number: ARP-202-5406

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PRW Main Cap Girdles 0944800

Main Cap Girdle, Steel, Black Oxide, Hardware Included, Ford, Kit

Part Number: PQX-0944800

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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ARP High Performance Series Main Bolts 184-5001

Main Bolts, High Performance Series, 2-Bolt Main, Oldsmobile, 350, Kit

Part Number: ARP-184-5001

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Engine Works Main Cap Fasteners 17361PRO

MAIN SIDE BOLTS GM LS

Part Number: EW1-17361PRO

Not Yet Reviewed

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Engine Works Main Cap Fasteners 17360PRO

MAIN STUD KIT GM LS

Part Number: EW1-17360PRO

Not Yet Reviewed

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Milodon Main Stud Kits 81216

Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, Kit

Part Number: MIL-81216

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ARP Main Stud Kits 184-5401

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Pioneer Automotive Main Cap Fasteners 855023

Main Stud Kit

Part Number: PIO-855023

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

Pioneer Automotive Main Cap Fasteners 855020

Main Stud Kit

Part Number: PIO-855020

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