2004 Engine Blocks & Accessories Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

ACDelco GM Genuine Parts Replacement Bolts 12556127

Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each

Part Number: ADO-12556127

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ICT Billet Rear Main Cover Housings 551727

ICT Billet Rear Main Cover Housings 551727

Rear Main Seal Housing, Billet Aluminum, Natural, Chevy, Small Block LS, Each

Part Number: ICB-551727

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Earl's Performance Oil Cooler Block-Off Plates LS0020ERL

Oil Cooler Block-Off Plate, Billet Aluminum, Black Anodized, 1/8 in. NPT Port, Chevrolet, LS, Each

Part Number: EAR-LS0020ERL

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Racing™ Oil Cooler Block-Off Plates SUM-121026

Oil Cooler Block-Off Plate, Billet Aluminum, Clear Anodized, 1/8 in. NPT Port, Chevy, LS, Each

Part Number: SUM-121026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ICT Billet Camshaft Thrust Plate Bolts 551950-CAM

LS/LT Camshaft Retainer Thrust Plate Torx Head , Set of 4

Part Number: ICB-551950-CAM

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP Main Stud Kits 156-5901

Main Studs, 4-Bolt Main, Ford, 4.6/5.4L, 3V, for use with Windage Tray, Kit

Part Number: ARP-156-5901

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Holley LS Valley Covers 241-369

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Black Anodized, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-369

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Chevrolet Performance Bellhousing Dowel Pins 1453658

Bellhousing, Transmission Dowel Pin, .621 in. Diameter, Straight, 1.188 in. Length, GM, L92/LS, Each

Part Number: NAL-12720455

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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ARP Rear Motor Cover Fasteners 134-1503

Rear Motor Cover Bolts, Hex Head, 8740 Chromoly, Black, Washers, Chevy, V8, LS, Kit

Part Number: ARP-134-1503

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

BTR Oil Galley Barbell Plugs BTR73460

Oil Galley Plug, Chevrolet, Small Block Gen III/IV, Each

Part Number: BTC-BTR73460

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP Main Stud Kits 156-5201

Main Studs, Side Bolts, 12-Point Head, Ford, 4.6L, Kit

Part Number: ARP-156-5201

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Melling Freeze Plugs MPE-256BR

Freeze Plugs, Brass, Jeep, 4.0L, Kit

Part Number: MEL-MPE-256BR

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP Main Stud Kits 135-5901

Main Studs, 4-Bolt Main, Chevy, Big Block, Gen VII, Kit

Part Number: ARP-135-5901

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP Main Stud Kits 134-5901

Main Studs, 4-Bolt Main, Iron Dart Next, GM LS, Kit

Part Number: ARP-134-5901

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP High Performance Series Main Bolts 156-5001

Main Bolts, Side Bolts, 12-Point Head, Ford, 4.6L, Kit

Part Number: ARP-156-5001

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP Rear Motor Cover Fasteners 134-1504

Rear Motor Cover Bolts, 12-point Head, 8740 Chromoly, Black, Washers, Chevy, V8, LS, Kit

Part Number: ARP-134-1504

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP Main Stud Kits 150-5801

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

Part Number: ARP-150-5801

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-900BR

Engine Expansion Plugs, Steel, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Kit

Part Number: MEL-MPE-900BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Racing™ LS Finned Aluminum Valley Covers SUM-240065-BLK

Lifter Valley Cover, Finned, Aluminum, Black Powdercoated, Chevy, LS, Each

Part Number: SUM-240065-BLK

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

PRW Main Cap Side Bolts 1000099

Main Side Bolts, 6-Bolt Main, 12-Point Head, 10mm Side Studs Only, Chevy LS, Kit

Part Number: PQX-1000099

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP Main Stud Kits 151-5405

Main Studs, 2-Bolt Main, Ford, Duratec 2.3L, Kit

Part Number: ARP-151-5405

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco Cylinder Head Pins 12558081

Cylinder Head Locating Dowel Pin, Steel, Chevy, Each

Part Number: ADO-12558081

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Derale LS Engine Oil Cooler Block-off Adapters 35601

Block Off, Oil Cooler, Billet Aluminum, Black Anodized, GM, LS, Each

Part Number: DER-35601

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-902BR

Engine Expansion Plugs, Brass, Chrysler, Dodge, Jeep, Ram, Hemi, Kit

Part Number: MEL-MPE-902BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ARP Main Stud Kits 218-5401

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

Part Number: ARP-218-5401

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air