CHEVROLET 7.4L/454 Engine Blocks & Accessories Engines & Components

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 )

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Pioneer Performance Freeze Plugs PE-102-B

Freeze Plugs, Brass, Big Block Chevy, Kit

Part Number: PIO-PE102B

5.0 out of 5 stars ( 1 )

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Mr. Gasket Cylinder Head Dowel Pins 4377

Cylinder Head Dowel Pins, 0.638 in. Outside Diameter, .503 in. Height, Chevy, Big Block, Pair

Part Number: MRG-4377

Not Yet Reviewed

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Mr. Gasket Cylinder Head Dowel Pins 4375

Cylinder Head Dowels, .310 in. Outside Diameter, .562 in. Height, Chevy/Mopar, Pair

Part Number: MRG-4375

3.75 out of 5 stars ( 4 )

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Pioneer Performance Freeze Plugs 830019

Freeze Plug Kit, Brass, Chevy, Big Block, Kit

Part Number: PIO-830019

5.0 out of 5 stars ( 2 )

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Dura-Bond Engine Hardware Finishing Kits FKC-3

Dura-Bond Engine Hardware Finishing Kits FKC-3

Engine Hardware, Cylinder Head Dowels, Woodruff Keys, Oil Pump Dowel, Cam Bolts, Chevy, 454, Kit

Part Number: DUR-FKC-3

5.0 out of 5 stars ( 2 )

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Dura-Bond Bellhousing Dowel Pins AD-009-P

Dowel Pin, Bellhousing Alignment, Chevy, Pontiac, Each

Part Number: DUR-AD-009-P

Not Yet Reviewed

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COMP Cams Engine Finishing Kits 234

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

Part Number: CCA-234

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ARP Main Stud Kits 235-5601

Main Studs, 4-Bolt Main, Dart Big M Block, Chevy, 454, Kit

Part Number: ARP-235-5601

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Dorman Expansion Plugs 555-028

Engine Expansion Plug, Steel, AMC, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Set of 10

Part Number: RNB-555-028

4.5 out of 5 stars ( 2 )

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Mr. Gasket Freeze Plug Kits 6482

Freeze Plug Kit Brass Big Block Chevy

Part Number: MRG-6482

Not Yet Reviewed

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Melling Performance Cylinder Sleeves 592256

Cylinder Sleeve, Cast Iron, 4.095 in. Bore I.D., 0.125 in. Wall Thickness, 7.500 in. Length, Each

Part Number: MEL-592256

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Proform Freeze Plug Kits 66552

Freeze Plugs, Brass, Chevy, Big Block, Kit

Part Number: PRO-66552

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Dorman Expansion Plugs 555-080

Expansion Plugs, Steel, 2.109 in. Diameter, Set of 10

Part Number: RNB-555-080

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Moroso Offset Cylinder Head Dowels 37900

Cylinder Head Dowel Pins, Offset 0.030 in., Chevy Big Block, Chrysler Big Block, Set of 4

Part Number: MOR-37900

3.0 out of 5 stars ( 1 )

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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

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Melling Engine Expansion Plug Kits MPE-102R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-102R

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Melling Performance Cylinder Sleeves CSL297HP

Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 0.125 in. Wall Thickness, 7.000 in. Length, Each

Part Number: MEL-CSL297HP

5.0 out of 5 stars ( 1 )

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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: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 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: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Engine Works Freeze Plug Sets 60154

STEEL CAM PLUGS BB CHEVY 366-454 CAM

Part Number: EW1-60154

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Dorman Expansion Plugs 555-034

Engine Expansion Plugs, Steel, Chevy, GMC, Set of 10

Part Number: RNB-555-034

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ACDelco GM Genuine Parts Main Bearing Cap Bolts 12561388

Main Cap Fasteners, ACDelco GM Genuine Parts Multi-Purpose Bolts, 7/16-14 Threads, Cadillac, Chevy, GMC, Olds, Pontiac, Each

Part Number: ADO-12561388

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Philadelphia Racing Products AN Block Adapters PRP-6860

AN Block Adapters, -12 AN Adapters, Clear Anodized, Chevy, Big Block, Kit

Part Number: PGP-PRP-6860

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 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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