CHEVROLET Engine Blocks & Accessories Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Dorman Expansion Plugs 555-027

Engine Expansion Plug, Steel, 1.5 in. Width, 0.570 in. Height, Buick, Chevy, Fiat, GMC, Set of 10

Part Number: RNB-555-027

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Engine Works Small Block Rear Main Seal Adapters 350LRMSA

Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit

Part Number: EW1-350LRMSA

Not Yet Reviewed

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Moroso Offset Cylinder Head Dowels 37900

Cylinder Head Dowel Pins, Offset 0.030 in., Chevy Big Block, Chrysler Big Block, Set of 4

Part Number: MOR-37900

3.0 out of 5 stars ( 1 )

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Melling Engine Expansion Plug Kits MPE-102R

Melling Engine Expansion Plug Kits MPE-102R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-102R

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Melling Engine Expansion Plug Kits MPE-137BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-137BR

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ACDelco GM Genuine Parts Multi-Purpose Bolts 12561388

Main Cap Fasteners, ACDelco GM Genuine Parts Multi-Purpose Bolts, 7/16-14 Threads, Cadillac, Chevy, GMC, Olds, Pontiac, Each

Part Number: ADO-12561388

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Gator Fasteners Main Stud Kits MSK66ZM

Main Studs, 2-Bolt Main, Chevrolet, Duramax, 6.6L, LBM, LMM, Kit

Part Number: GFN-MSK66ZM

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Howards Cams Main Cap Support Straps H350FS

Front Main Cap Straps, Chevy, Each.

Part Number: HRS-H350FS

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Moroso Offset Cylinder Head Dowels 37930

Cylinder Head Dowels, Offset, .030 in. Chevy, Small Block, Chrysler, Small Block, Set of 4

Part Number: MOR-37930

5.0 out of 5 stars ( 1 )

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Dorman Expansion Plugs 555-081

Freeze Plugs, Steel, 2.219 in. Closed End Diameter, 2.226 in. Open End Diameter, Chevy, GMC, Set of 10

Part Number: RNB-555-081

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ACDelco GM Genuine Parts Engine Oil Fill Caps 12713786

Engine Oil Filler Caps, GM Genuine Parts, Stock Top Style, Round, Plastic, Black, Chevrolet, GMC, Each

Part Number: ADO-FC279

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Dorman Expansion Plugs 555-049

Engine Expansion Plugs, Steel, 2.094 in. O.D., 0.280 in. Depth, Set of 10

Part Number: RNB-555-049

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Dorman Expansion Plugs 02603

Expansion Plug, Rubber, 1 1/2 in. to 1 5/8 in., Each

Part Number: RNB-02603

5.0 out of 5 stars ( 1 )

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RHS Main Cap Dowel Pins 549201-1

DOWEL PIN, FOR LS BLOCK MAIN CAPS

Part Number: RHS-549201-1

Not Yet Reviewed

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Dorman Expansion Plugs for 1991-1995 C3500HD - 567-001

Expansion Plugs, Brass, 15 Expansion Plugs, 5 Pipe Plugs, Kit

Part Number: RNB-567-001

4.5 out of 5 stars ( 2 )

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ARP Rear Motor Cover Fasteners 434-1503

Rear Motor Cover Bolts, Hex Head, Stainless Steel, Polished, Washers, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: ARP-434-1503

Not Yet Reviewed

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Pioneer Performance Freeze Plugs 830001

Freeze Plug Kit, Brass, Chevy, Small Block, 267-350, Kit

Part Number: PIO-830001

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

BTR Engine Expansion Plugs BTR27693

Engine Expansion Plugs, BTR Plug Core, 0.625 in. Diameter, 0.25 in. Thick

Part Number: BTC-BTR27693

Not Yet Reviewed

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World Products Merlin IV Engine Blocks 095000

Engine Block, Cast Iron, 4-Bolt Mains, 4.245 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-095000

5.0 out of 5 stars ( 2 )

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:

Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223444

5 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Melling Engine Expansion Plug Kits MPE-185BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-185BR

Not Yet Reviewed

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Dorman Expansion Plugs for 1991-1995 C3500HD - 557-001

Expansion Plugs, Steel, 15 Expansion Plugs, 5 Pipe Plugs, Kit

Part Number: RNB-557-001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212192

Engine Block, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: NAL-19212192

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Milodon Main Caps 11053

Main Cap, Ductile Iron, Front, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: MIL-11053

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

World Products Merlin IV Engine Blocks 091101

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091101

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

Need It Sooner? We recommend these similar substitute parts:

Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223444

5 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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World Products Merlin IV Engine Blocks 091102

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.595 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091102

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today