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

World Products Merlin IV Engine Blocks 091102

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: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 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: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

World Products Merlin IV Engine Blocks 091117

Engine Block, Cast Iron, 4-Bolt Mains, 4.595 in. Diameter Bore, 10.250 in. Deck, Nodular Iron Main Cap, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-091117

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Dorman Expansion Plugs for 1965-1974 CORVETTE - 555-071

Freeze Plugs, Steel, 2.219 in. Diameter, 0.300 in. Height, Set of 10

Part Number: RNB-555-071

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Dart Big M2 Big Block Chevy Cast Iron Bare Blocks 31223344

Bare Blocks, Dart Big M Series, Cast Iron, 9.80 in. Deck Height, 4.250 Bore, 4-Bolt Main, 2 Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223344

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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

Dart Big M2 Big Block Chevy Cast Iron Bare Blocks 31223554

Bare Blocks, Dart Big M Sportsman Series, Cast Iron,10.200 in. Deck Height, 4.560 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223554

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

Milodon Main Caps 11160

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Expansion Plugs 567-001

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

Part Number: RNB-567-001

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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RHS Main Cap Dowel Pins 549201-1

DOWEL PIN, FOR LS BLOCK MAIN CAPS

Part Number: RHS-549201-1

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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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Chevrolet Performance Main Cap Fasteners 11548075

SHORT MAIN CAP BOLT

Part Number: NAL-11548075

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Dorman Expansion Plugs 555-003

Freeze Plugs, Steel, 0.438 in. Diameter, Chevy, Chrysler, Dodge, Eagle, Ford, GMC, Jeep, Mercury, Set of 10

Part Number: RNB-555-003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

PRW Billet Steel Main Girdles 9045401

Main Cap Girdle, 1045 Billet Steel, No Hardware, for Chevy Big Block 454, Each

Part Number: PQX-9045401

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

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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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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Melling Engine Expansion Plug Kits MPE-137BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-137BR

Not Yet Reviewed

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Dorman Expansion Plugs 555-108

Freeze Plugs, Steel, 0.625 in. Diameter, Height 0.220 in., Chevy, Geo, Set of 10

Part Number: RNB-555-108

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Melling Engine Expansion Plug Kits MPE-103BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-103BR

Not Yet Reviewed

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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: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

PRW Billet Steel Main Caps 1735002

Main Caps, Billet Steel, 4-Bolt, Angled, Chevy, Small Block, Set of 3

Part Number: PQX-1735002

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 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

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 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 )

Estimated Ship Date: Today

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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

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

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

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

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 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today