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

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

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

World Products Merlin IV Engine Blocks 095000

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 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 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: Today

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Melling Freeze Plugs MPE-120BR

Freeze Plugs, Brass, Cadillac 368, 425, 472, 500, Kit

Part Number: MEL-MPE-120BR

5.0 out of 5 stars ( 1 )

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PRW Main Cap Girdles 0944800

Main Cap Girdle, Steel, Black Oxide, Hardware Included, Ford, Kit

Part Number: PQX-0944800

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Melling Engine Expansion Plug Kits MPE-110R

Engine Expansion Plugs, Steel, Ford, Mercury, Kit

Part Number: MEL-MPE-110R

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Trick Flow® Main Cap Fastener Replacement Hardware Kits TFS-53400700-HK

Replacement, Hardware Kit, 2-Bolt Main, Ford, with Trick Flow Main Cap Girdle,

Part Number: TFS-53400700-HK

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Dorman Expansion Plugs 555-018

Engine Expansion Plug, Steel, 1.007 in. Closed End Diameter, 1.021 in. Open End Diameter, Set of 10

Part Number: RNB-555-018

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Melling Engine Expansion Plug Kits MPE-132BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-132BR

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PRW Billet Steel Main Caps 1738901

Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3

Part Number: PQX-1738901

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

Summit Racing™ Main Stud Kits SUM-910205

Main Studs, 2-Bolt Main, 180,000 psi Yield Strength, Washers, Hex Nuts, Chevy, Small Block, Kit

Part Number: SUM-910205

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Proform Freeze Plug Kits 66551

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

Part Number: PRO-66551

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Proform Freeze Plug Kits 66558

Freeze Plugs, Brass, Chrysler, 383, 413, 426, 440, Kit

Part Number: PRO-66558

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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: Today

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Milodon Main Stud Kits 81187

Main Studs, 2-Bolt Main, AMC, 290-401, Kit

Part Number: MIL-81187

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PRW Billet Steel Main Caps 1745402

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

Part Number: PQX-1745402

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

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Melling Freeze Plugs MPE-114R

Freeze Plugs, Steel, Chrysler, Dodge, Plymouth, Big Block, Kit

Part Number: MEL-MPE-114R

Not Yet Reviewed

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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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Melling Engine Expansion Plug Kits MPE-104BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-104BR

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Dorman Expansion Plugs 555-036

Freeze Plugs, Steel, 1.765 in. Diameter, Set of 10

Part Number: RNB-555-036

4.0 out of 5 stars ( 3 )

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Melling Engine Expansion Plug Kits MPE-105BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-105BR

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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 )

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Trick Flow® Main Cap Fastener Replacement Hardware Kits TFS-5150R700-HK

Replacement, Hardware Kit, 2-Bolt Main, Ford, with Trick Flow® Main Cap Girdle,

Part Number: TFS-5150R700-HK

Not Yet Reviewed

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Dorman Expansion Plugs 557-009

Expansion Plugs, Steel, Ford, Lincoln, Mercury, Kit

Part Number: RNB-557-009

3.0 out of 5 stars ( 2 )

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Dorman Expansion Plugs 555-065

Steel Cup Expansion Plug 2-9/64 In., Height 0.432

Part Number: RNB-555-065

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