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

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 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Proform Freeze Plug Kits 66551

Proform Freeze Plug Kits 66551

Freeze Plugs, Brass, Chevy, 400, Small Block, Kit

Part Number: PRO-66551

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Howards Cams Main Cap Support Straps H350FS

Front Main Cap Straps, Chevy, Each.

Part Number: HRS-H350FS

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

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 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

PRW Billet Steel Main Caps 1735003

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

Part Number: PQX-1735003

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 18, 2026 if ordered today

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Estimated Ship Date: May 18, 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

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Canton Racing SBC Rear Main Seal Adapters 21-850

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

Part Number: CTR-21-850

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 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 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Pioneer Performance Freeze Plugs 830017

Freeze Plug Kit, Brass, Chevy, Small Block, Kit

Part Number: PIO-830017

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Chevrolet Performance Dowel Pins 9441003

Engine Block Dowel Pins, Rear Main Seal Housing, 1-Piece Rear Main, Chevrolet, Small Block Gen I, Each

Part Number: NAL-9441003

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 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: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

World Products Sportsman Parts Kits PBMBKSP

Sportsman Parts Kit, Block Hardware Kit, World Engine Blocks, SBC, Kit

Part Number: WRL-BKSP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pioneer Performance Freeze Plugs PE-100-BR

Freeze Plug Kit, Brass, Chevy, Small Block, Kit

Part Number: PIO-PE100BR

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-101R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-101R

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Expansion Plugs 555-011

Engine Expansion Plugs, Steel, 0.625 in. O.D., 0.232 in. Height, Buick, Cadillac, Chevy, Jeep, Olds, Set of 10

Part Number: RNB-555-011

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dart Main Bolts 66722687

Main Cap Fastener, Bolt, Little M Sportsman, Chevy, Each

Part Number: DRT-66722687

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Expansion Plugs 565-023

Freeze Plugs, Brass, 1.250 in. Diameter, Buick, Cadillac, Chevy, GMC, Pontiac, Dodge, Ford, Set of 10

Part Number: RNB-565-023

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dart Freeze Plugs 32540000

Freeze Plug, Steel, Chevy, Dart SHP, Each

Part Number: DRT-32540000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air