Engine Blocks & Accessories Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

ARP High Performance Series Main Bolts 156-5203

ARP High Performance Series Main Bolts 156-5203

Side Main Bolts, 4-Bolt Main, High Performance, 12-Point, Ford Modular V8, Kit

Part Number: ARP-156-5203

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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 81205

Main Studs, 2-Bolt, Dodge, Plymouth, 426 Hemi, Kit

Part Number: MIL-81205

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

Philadelphia Racing Products AN Block Adapters PRP-6862

AN Block Adapters, -12 AN Adapters, Black Anodized, Chevy, Big Block, Kit

Part Number: PGP-PRP-6862

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Melling Cylinder Sleeves CSL526

Cylinder Sleeve, Cast Iron, 5. in. Bore I.D., 0.125 in. Wall Thickness, 13 in. Length, Each

Part Number: MEL-CSL526

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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Estimated Ship Date: Tomorrow

Pioneer Cylinder Head Dowel Pins PG-653-25

Cylinder Head Dowel Pins, 0.250 in. O.D., Chevrolet, Small Block, Set of 25

Part Number: PIO-PG-653-25

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Melling Cylinder Sleeves CSL329F

Cylinder Sleeves, CYLINDER SLEEVE (4.375x 4.629x 8.125-4.740)

Part Number: MEL-CSL329F

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

ARP Main Cap Fasteners 102-5402

Nissan 3.0L VG30DE/DETT V6 main stud kit

Part Number: ARP-102-5402

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Dart Main Caps 32773030

MAIN CAP

Part Number: DRT-32773030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

PRW Main Girdle Stud Kits 1000205

FORD 351W, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 1/2" - 13/20 x 5.00" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000205

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

Dorman Rear Main Seal Housings 635-786

Rear Main Seal Cover Kit

Part Number: RNB-635-786

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

Howards Cams Main Cap Support Straps H350RSWS

Main Bearing Cap Strap, Steel Billet, Rear, Wet Sump, Chevy, 350, Each

Part Number: HRS-H350RSWS

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Melling Cylinder Sleeves CSL427

Cylinder Sleeve, Cast Iron, 4.437 in. Bore I.D., 0.094 in. Wall Thickness, 12.750 in. Length, Each

Part Number: MEL-CSL427

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Ford Performance Parts Main Stud and Bolt Kits M-6345-SD73

Main Bolts, Hex Head, Stock Replacement, Ford, 7X, Kit

Part Number: FMS-M-6345-SD73

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Melling Cylinder Sleeves CSL519A

Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 0.125 in. Wall Thickness, 12.250 in. Length, Each

Part Number: MEL-CSL519A

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

ARP Main Stud Kits 155-5421

Main Studs, 12-Point, Chromoly, 2-Bolt Main, Ford, Big Block FE, Kit

Part Number: ARP-155-5421

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Melling Cylinder Sleeves CSL308F

Cylinder Sleeve, Cast Iron, 3.900 in. Bore I.D., 0.100 in. Wall Thickness, 6.940 in. Length, Each

Part Number: MEL-CSL308F

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

ARP Main Stud Kits 254-5601

Main Studs, 4-Bolt Main, Ford, R-Block, Ford, 302, R-Block, Kit

Part Number: ARP-254-5601

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

ARP Main Cap Fasteners 206-5403

Main Studs, 2-Bolt Main, BMC B-Series, 5 Cap Main

Part Number: ARP-206-5403

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ARP Main Stud Kits 135-5507

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

Part Number: ARP-135-5507

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

ARP Pro Series Main Bolts 233-5203

Main Bolts, Pro Series, 4-Bolt Main, Chevy, 3.3, 3.8, 4.3L, 90 Degree V6, Kit

Part Number: ARP-233-5203

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

ARP Main Stud Kits 124-5401

Main Studs, 2-Bolt Main, Buick 1961-63, 215, V8, Kit

Part Number: ARP-124-5401

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 124-5404

Main Studs, 2-Bolt Main, Buick 1959-66, 401, Kit

Part Number: ARP-124-5404

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today