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

Top Street Performance Finned Aluminum Engine Valley Covers 81045BK

Engine Valley Cover, Finned, Billet Aluminum, Black, Hardware Included, Chevy, Each

Part Number: TSN-81045BK

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PRW Main Cap Stud Kits 1000215

Main Cap Fasteners, Main Cap Girdle Stud Kits, 2-bolt, Stud Style, Hex Head, Nuts, Washers, Ford, Big Block FE, Big Block 385 Series, Kit

Part Number: PQX-1000215

3.0 out of 5 stars ( 2 )

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QuickTime Bellhousing Dowel Pins RM-142

Bellhousing Dowel Pins, 0.021 in. Offset, 0.628 in. Diameter, Ford, 4.6L/5.4L Modular, 5.0 Coyote, Pair

Part Number: QTI-RM-142

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Melling Cylinder Sleeves 590259

Melling Cylinder Sleeves 590259

Cylinder Sleeve, Cast Iron, 4.000 in. Bore I.D., 0.125 in. Wall Thickness, 5.500 in. Length, Each

Part Number: MEL-590259

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Dorman Rear Main Seal Housings 635-786

Rear Main Seal Cover Kit

Part Number: RNB-635-786

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 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

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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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Dart Main Caps 32773030

MAIN CAP

Part Number: DRT-32773030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Melling Cylinder Sleeves 590298

Cylinder Sleeve, Cast Iron, 4.000 in. Bore I.D., 0.125 in. Wall Thickness, 5.875 in. Length, Each

Part Number: MEL-590298

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Melling Cylinder Sleeves CSL333F

Cylinder Sleeves, CYLINDER SLEEVE (3.750X 3.999X 8.940-4.085)

Part Number: MEL-CSL333F

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Trick Flow® Main Cap Fastener Replacement Hardware Kits TFS-5150R700-HK

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

Part Number: TFS-5150R700-HK

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ARP Main Stud Kits 132-5402

Main Studs, 2-Bolt Main, Chevy 1954-62, 235, 261, L6, Kit

Part Number: ARP-132-5402

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Melling Cylinder Sleeves CSL521A

Cylinder Sleeve, Cast Iron, 4.375 in. Bore I.D., 0.125 in. Wall Thickness, 12.250 in. Length, Each

Part Number: MEL-CSL521A

5.0 out of 5 stars ( 1 )

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PRW Main Girdle Stud Kits 1000203

CHEV 350 Stud Kit, Main Girdle, , Includes 10ea, 1/2" Longer Studs, 7/16" -14/20 x 5.00" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000203

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

PRW Main Girdle Stud Kits 1000209

CHEV 454, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 1/2"-13/20 x 5.313" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000209

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 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

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 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

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Melling Cylinder Sleeves CSL721

Cylinder Sleeve, Cast Iron, 2.992 in. Bore I.D., 0.125 in. Wall Thickness, 7.000 in. Length, Each

Part Number: MEL-CSL721

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

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

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

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: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

ARP Main Stud Kits 206-5404

Main Studs, 2-Bolt Main, BMC Triumph TR7

Part Number: ARP-206-5404

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 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

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ARP High Performance Series Main Bolts 134-5202

4.75 out of 5 stars ( 37 )

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ARP Main Stud Kits 233-5601

Main Studs, 4-Bolt Main, Chevy, 4.3L V6, with Splayed Cap Bolts, Kit

Part Number: ARP-233-5601

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 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

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 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 )

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