BUICK Engine Blocks & Accessories

Cylinder Sleeve, Cast Iron, 4.125 in. Bore I.D., 0.094 in. Wall Thickness, 6.250 in. Sleeve Length, Each

Part Number: MEL-CSL161HP

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Estimated Ship Date: Today

Main Caps, Billet Steel, Chevy 305/350, 1967-1986, 4 Bolt Replacement Style, Sold as a Set of 3

Part Number: PQX-1735001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Sleeve, Cast Iron, 4.125 in. Bore I.D., 0.125 in. Wall Thickness, 6.250 in. Sleeve Length, Each

Part Number: MEL-CSL261HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 0.75 in. Diameter, Buick, Ford, Isuzu, Lincoln, Mercury, Pontiac, Set of 10

Part Number: RNB-555-012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 4.125 in. Bore I.D., 0.125 in. Wall Thickness, 6.250 in. Sleeve Length, Each

Part Number: MEL-590261

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Freeze Plug, Brass, Small Block, Chevy, Kit

Part Number: MRG-6481

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Bellhousing Dowel Pins, .625 in. Diameter, .007 in. Offset, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: LAK-15920

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

Bellhousing Dowel Pin, 0.621 in. Diameter, 1.200 in. Length, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: DRT-32901000

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Main Studs, 2-Bolt Main, Buick, 3.8L/231, Kit

Part Number: ARP-123-5401

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Engine Oil Filler Caps, GM Genuine Parts, Stock Top Style, Round, Plastic, Black, Chevrolet, GMC, Each

Part Number: ADO-FC279

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• $20 Summit Bucks on $200 spent*

Engine Expansion Plugs, Steel, 1.250 in. Diameter, 0.300 in. Height, Cadillac, Chevy, Chrysler, Set of 10

Part Number: RNB-555-024

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 0.540 in. O.D., 0.180 in. Height, Buick, Chevy, Ford, GMC, Mercury, Set of 10

Part Number: RNB-555-007

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Engine Expansion Plug, Brass, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: NAL-9427693

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Freeze Plug Kit, Steel, Chevy, Small Block, Kit

Part Number: PIO-PE-100

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Expansion Plugs, Steel, 0.875 in. Diameter, Set of 10

Part Number: RNB-555-014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 4.050 in. Bore I.D., 0.125 in. Wall Thickness, 6.313 in. Length, Each

Part Number: MEL-590295

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

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• Special Order

Freeze Plugs, Brass/Steel, Chevrolet, GM LS Engine, Kit

Part Number: PIO-PE-496-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Engine Expansion Plugs, Cadillac, Chevy, Small Block LS, Kit

Part Number: CCA-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

Freeze Plug Kit, Brass, Chevy, 153, L4, 194, 230, 250, 292 L6, Kit

Part Number: PIO-PE-104-B

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 0.563 in. Diameter, 0.250 in. Height, Chevy, GMC, Olds, Pontiac, Set of 10

Part Number: RNB-555-008

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-137BR

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

Part Number: RNB-555-080

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Estimated Ship Date: Today