1990 GMC Engine Blocks & Accessories

Engine Expansion Plugs, Freeze Plugs, Brass, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: MEL-MPE-100BR

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Today

Engine Expansion Plugs, Freeze Plugs, Brass, Chevrolet, GMC, Big Block, Kit

Part Number: MEL-MPE-102BR

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Cylinder Head Dowel Pins, Chevy, GMC, Big Block, Set of 10

Part Number: PIO-PG-233-10

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

Engine Expansion Plugs, Freeze Plugs, Steel, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: MEL-MPE-100R

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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

Part Number: PIO-PE-100-B

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: PQX-1745401

Not Yet Reviewed

Estimated Ship Date: Today

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Freeze Plug, Brass, Small Block, Chevy, Kit

Part Number: MRG-6481

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Head Locating Dowel Pin, Steel, Chevy, Each

Part Number: ADO-12558081

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Freeze Plugs, Brass, Big Block Chevy, Kit

Part Number: PIO-PE102B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Freeze Plugs, Brass, Chevy 283-350, Small Block, Kit

Part Number: PRO-66550

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: PIO-PE-100

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: MRG-4377

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Estimated Ship Date: Today

Cylinder Head Pin, 0.3094 in. O.D., 0.563 in. Height, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-585927

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

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

Part Number: MRG-4375

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

MAIN GIRDLE, BILLET STEEL, CHEV 454, incl PRW fasteners & hdwe

Part Number: PQX-9045400

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Estimated Ship Date: Today

• Free Shipping

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 Plugs, Brass, Chevy, Big Block, Kit

Part Number: PRO-66552

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-185BR

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-102R

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Estimated Ship Date: Today

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: Today

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: Today

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

Part Number: RNB-555-034

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-180BR

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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• Special Order

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: Today

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 3

Part Number: PQX-1745402

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order