OLDSMOBILE Engine Blocks & Accessories Engines & Components

Pioneer Performance Freeze Plugs PE-100-BR

Freeze Plug Kit, Brass, Chevy, Small Block, Kit

Part Number: PIO-PE100BR

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 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 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

ARP Main Stud Kits 281-5401

ARP Main Stud Kits 281-5401

Main Studs, 2-Bolt Main, Buick, Oldsmobile, Pontiac, 2.3, 2.4L, Quad 4, Kit

Part Number: ARP-281-5401

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Milodon Main Stud Kits 81218

Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, for use with Windage Tray, Kit

Part Number: MIL-81218

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

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Estimated Ship Date: Jul 15, 2026 if ordered today

Dorman Expansion Plugs 555-019

Engine Expansion Plugs, Steel, Chevy, 3.2L, 3.8L, Set of 10

Part Number: RNB-555-019

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 Cylinder Sleeves 590280

Cylinder Sleeve, Cast Iron, 4.000 in. Bore I.D., 0.125 in. Wall Thickness, 6.500 in. Length, Each

Part Number: MEL-590280

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

Dorman Main Cap Bolts 45691

Main Bolts, OE Replacement, GM, Set of 10

Part Number: RNB-45691

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

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: Today

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Estimated Ship Date: Today

Pioneer Performance Freeze Plugs PE-137-BR

Freeze Plug Kit, Brass, Chevy, Pontiac, Buick, GMC, Oldsmobile, V6, Kit

Part Number: PIO-PE-137-BR

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Dorman Expansion Plugs 565-017

Freeze Plugs, Brass, 1.000 in. Diameter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Jaguar, Set of 10

Part Number: RNB-565-017

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Milodon Main Stud Kits 81216

Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, Kit

Part Number: MIL-81216

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

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Estimated Ship Date: Jul 15, 2026 if ordered today

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ARP Main Stud Kits 184-5401

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman Expansion Plugs 555-011

Engine Expansion Plugs, Steel, 0.625 in. O.D., 0.232 in. Height, Buick, Cadillac, Chevy, Jeep, Olds, Set of 10

Part Number: RNB-555-011

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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 )

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Pioneer Performance Freeze Plugs EPC-80-B-10

Freeze Plug Kit, Brass, Pontiac, Kit

Part Number: PIO-EPC-80B-10

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Expansion Plugs 555-104

Expansion Plugs, Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, Jeep, Set of 10

Part Number: RNB-555-104

4.8 out of 5 stars ( 5 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK1B

Engine Expansion Plug Kit 55-02 BUI/CAD/CHV/GM/GMC/OLD/PON 3.3L/3.8L/4.3L/4.4L/4.6L/4.9L/5.0L/5.3L/5.7L

Part Number: EGN-PK1B

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Pioneer Performance Freeze Plugs PE-100-R

Freeze Plugs, Steel, Chevy, 267, 283, 302, 305, 307, 327, 350, Kit

Part Number: PIO-PE100R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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Summit Racing™ Freeze Plugs SUM-G1581

4.75 out of 5 stars ( 51 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Main Bearing Cap Bolts 24503056

Main Bolt, Flanged Hex, Steel, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: ADO-24503056

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 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: Jun 23, 2026 if ordered today

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Estimated Ship Date: Jun 23, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK1

Engine Expansion Plug Kit 55-02 BUI/CAD/CHV/GMC/OLD/PON 3.3L/3.8L/4.3L/4.4L/4.6L/4.9L/5.0L/5.3L/5.7L

Part Number: EGN-PK1

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 Automotive Main Cap Fasteners 855200

Main Bolt Kit

Part Number: PIO-855200

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Melling Engine Expansion Plug Kits MPE-624BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-624BR

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

Cloyes Engine Oil Galley Plugs P9115

Oil Galley Plug, GM 4-Cylinder, 2.2L, Each

Part Number: CLO-P9115

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Dorman Expansion Plugs 555-085

Expansion Plugs, Steel, Diameter 2.105 in., GM, Set of 10

Part Number: RNB-555-085

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

Enginetech Engine Expansion Plug Kits PK25B

Engine Expansion Plug Kit 64-90 BUI/CAD/CHV/GM/GMC/OLD/PON 4.3L/4.4L/4.6L/4.9L/5.0L/5.4L/5.7L/6.6L/7.0L/7.5L

Part Number: EGN-PK25B

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today