1973 Engine Blocks & Accessories Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Milodon Main Stud Kits 81186

Milodon Main Stud Kits 81186

Main Studs, 2-Bolt, Chrysler, 318-360 with Windage Tray, Kit

Part Number: MIL-81186

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

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: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dorman Expansion Plugs 555-054

Freeze Plugs, Steel, 2.375 in. Diameter, Ford, Mercury, Set of 10

Part Number: RNB-555-054

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

COMP Cams Engine Finishing Kits 233

Engine Finishing Hardware, Head Dowels, Camshaft Bolts, Crank Key, Oil Pump Dowel, Chevy, Small Block, Kit

Part Number: CCA-233

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

PRW Billet Steel Main Girdles 9044800

MAIN GIRDLE, BILLET STEEL, FORD 390FE/448 Stroker, incl PRW fasteners & hardware

Part Number: PQX-9044800

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

COMP Cams Engine Finishing Kits 243

Engine Finishing Kit, Bolts, Washers, Keys Eccentrics, Ford, 302/5.0L, Kit

Part Number: CCA-243

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Philadelphia Racing Products AN Block Adapters PRP-6852

AN Block Adapters, -12 AN Adapters, Black Anodized, Chevy, Small Block, Kit

Part Number: PGP-PRP-6852

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-107BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-107BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

PRW Billet Steel Main Caps 1735002

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

Part Number: PQX-1735002

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Pioneer Cylinder Head Dowel Pins PX-238-8

Cylinder Head Dowel Pins, International, Set of 8

Part Number: PIO-PX-238-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Pioneer Performance Freeze Plugs 830006

Freeze Plug Kit, Brass, Ford, Mercury, V8, Kit

Part Number: PIO-830006

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Moroso Deck Plug Kits 37800

Deck Plug Kit, Steel, Black Oxide, 3/4 in. NPT, Chevy, Small Block/90 Degree V6, Set of 6

Part Number: MOR-37800

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

COMP Cams Engine Finishing Kits 238

Camshaft Bolts, Engine Finishing, Cylinder Head Dowels, Timing Cover Dowel Pins, Pontiac V8, Kit

Part Number: CCA-238

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-025

Freeze Plugs, Steel, Set of 10

Part Number: RNB-555-025

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223644

Engine, Bare Block, Big M Sportsman, Stock/OEM, 4.60 in. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: DRT-31223644

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ SPC Big Block Chevy Engine Block SUM-150211

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026

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Dorman Expansion Plugs 555-030

Freeze Plugs, Steel, 1.625 in. Diameter, AMC, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Jeep, Set of 10

Part Number: RNB-555-030

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Expansion Plugs 555-055

Freeze Plugs, Steel, 2.50 in. Diameter, Set of 10

Part Number: RNB-555-055

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Melling Freeze Plugs MPE-108R

Freeze Plugs, Steel, Ford, Lincoln, Mercury, Small Block, Kit

Part Number: MEL-MPE-108R

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Melling Freeze Plugs MPE-113R

Engine Expansion Plugs, Freeze Plugs, Steel, Camshaft Plug and Oil Galley Plugs, Chrysler, Dodge, Jeep, Plymouth, Kit

Part Number: MEL-MPE-113R

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Milodon Main Stud Kits 81185

Main Studs, 2-Bolt, Chrysler 318-360, 383-440 and 331-392 Early Hemi, Kit

Part Number: MIL-81185

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

PRW Billet Steel Main Caps 1735101

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

Part Number: PQX-1735101

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Proform Freeze Plug Kits 66553

Freeze Plugs, Brass, Ford, Small Block, 289-302-351W, Kit

Part Number: PRO-66553

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-115R

Engine Expansion Plugs, Standard Replacement, Steel, Includes Plugs for Block, Camshaft, Oil Galley, and Pipe Plugs, Pontiac V8, Kit

Part Number: MEL-MPE-115R

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Proform Freeze Plug Kits 66557

Freeze Plugs, Brass, Chrysler, 318, 360, Kit

Part Number: PRO-66557

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Pioneer Performance Freeze Plugs PE-104-B

Freeze Plug Kit, Brass, Chevy, 153, L4, 194, 230, 250, 292 L6, Kit

Part Number: PIO-PE-104-B

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air