1998 Engine Blocks & Accessories Engines & Components

Dorman Oil Line Block-Off Plate Kits 99971

Oil Line Block-Off Plate, Aluminum, Natural, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: RNB-99971

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Proform Freeze Plug Kits 66553

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 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Dorman Expansion Plugs for 1971-1987 WAGONEER, 1987-2003 WRANGLER - 567-017

Freeze Plugs, Brass, AMC, International, Jeep, Set of 7

Part Number: RNB-567-017

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

ARP High Performance Series Main Bolts 260-5401

Main/Case Bolts, Pro Series, 2-Bolt Main, Hex Head, Subaru, 2.0, 2.2, 2.5L, Kit

Part Number: ARP-260-5401

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Top Street Performance Trussed-Style Engine Valley Covers 81043BK

Engine Valley Cover, Trussed, Billet Aluminum, Black, Hardware Included, Chevy, Each

Part Number: TSN-81043BK

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Melling Performance Cylinder Sleeves CSL1174HP

Cylinder Sleeve, Cast Iron, 4.110 in. Bore I.D., 0.094 in. Wall Thickness, 6.875 in. Length, Each

Part Number: MEL-CSL1174HP

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

ARP Main Stud Kits 151-5406

Main Studs, Hex Head Nuts, Ford, 2.0L, Zetec, Kit

Part Number: ARP-151-5406

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

BTR Engine Expansion Plugs BTR27693

Engine Expansion Plugs, BTR Plug Core, 0.625 in. Diameter, 0.25 in. Thick

Part Number: BTC-BTR27693

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 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: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 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 4/27/2026

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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 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-281BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-281BR

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

World Products Main Stud Kits WPI701432

Main Studs, 4-Bolt Main, Man O'War, Billet Main Caps, Ford, Small Block Windsor, Kit

Part Number: WRL-701432

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Dorman Expansion Plugs 555-034

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

Part Number: RNB-555-034

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Engine Works Freeze Plug Sets 60154

STEEL CAM PLUGS BB CHEVY 366-454 CAM

Part Number: EW1-60154

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

ARP Main Stud Kits 208-5401

Main Studs, 2-Bolt Main, for use on Honda®, 2.2, 2.3L, Kit

Part Number: ARP-208-5401

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air