1978 Engine Blocks & Accessories Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

ARP Main Stud Kits 184-5401

ARP Main Stud Kits 184-5401

Main Studs, 2-Bolt Main, Oldsmobile, 350, Set

Part Number: ARP-184-5401

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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PRW Billet Steel Main Caps 1745403

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

Part Number: PQX-1745403

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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 )

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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: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Pioneer Performance Freeze Plugs 830011

Freeze Plug Kit, Brass, Oldsmobile, V8, Kit

Part Number: PIO-830011

3.5 out of 5 stars ( 2 )

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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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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: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Chevrolet Performance 454 C.I.D. Bare Engine Blocks 19170538

4.75 out of 5 stars ( 9 )

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Dorman Expansion Plugs 555-025

Freeze Plugs, Steel, Set of 10

Part Number: RNB-555-025

4.0 out of 5 stars ( 1 )

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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 )

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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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Pioneer Performance Freeze Plugs PE-614-BR

EXP PLUG KIT- DEEP

Part Number: PIO-PE-614-BR

Not Yet Reviewed

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Melling Engine Expansion Plug Kits MPE-132BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-132BR

Not Yet Reviewed

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Melling Engine Expansion Plug Kits MPE-609BR

Engine Expansion/Freeze Plugs, Brass, with (6) MPC-30B, (1) MPS-175, (3) MPP-554, and (2) MPP-639, Ford, Lincoln, Mercury, V8, Kit

Part Number: MEL-MPE-609BR

Not Yet Reviewed

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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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Trick Flow® Main Cap Fastener Replacement Hardware Kits TFS-51500700-HK

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

Part Number: TFS-51500700-HK

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

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 )

Estimated Ship Date: Tomorrow

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PRW Billet Steel Main Girdles 9030201

MAIN GIRDLE, BILLET STEEL, FORD 289-302, Does Not incl Studs or Fasteners

Part Number: PQX-9030201

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-112BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-112BR

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 555-027

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

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Engine Works Engine Finishing Kits 46503

Engine Finishing, Head Dowels, Cam Bolt, Crank Key, Oil Pump Dowel, Fuel Pump Eccentric, Small Ford, Kit

Part Number: EW1-46503

Not Yet Reviewed

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PRW Billet Steel Main Girdles 9034700

Main Cap Girdle, 1045 Billet Steel, with PRW SCM-4135 Fasteners/Hardware, Black Oxide Finish, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PQX-9034700

5.0 out of 5 stars ( 1 )

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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: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Dorman Expansion Plugs 02651

Freeze Plugs, Steel, Chrysler, Dodge, Plymouth, 318, 360, Kit

Part Number: RNB-02651

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ARP Main Stud Kits 234-5801

Main Studs, Chromoly, Hex Head, 4-Bolt, Chevy, 350, 400, Dart Little M, Splayed Bolts, Kit

Part Number: ARP-234-5801

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today