PONTIAC GRAND PRIX 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: Tomorrow

Main Bolts, 6-Bolt Main, Inner Bolts, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: NAL-12560272

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Engine Expansion Plugs, Freeze Plugs, Brass/Steel, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Kit

Part Number: MEL-MPE-900BR-GP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each

Part Number: ADO-12556127

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Oil Galley Barbell Plug, Plastic, O-ring Included, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Each

Part Number: MEL-MOGP-100

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Engine Expansion Plugs, Freeze Plugs, Brass, Pontiac, Pontiac V8, Kit

Part Number: MEL-MPE-115BR

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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: Tomorrow

Engine Expansion Plug, Oil Galley, Rubber/Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-02600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: PIO-PE-100-B

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Engine Expansion Plugs, Steel, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Kit

Part Number: MEL-MPE-900BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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: Tomorrow

Freeze Plug, Brass, Small Block, Chevy, Kit

Part Number: MRG-6481

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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: Tomorrow

Freeze Plugs, Brass, Pontiac V8, Kit

Part Number: PRO-66560

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Dowel Pin, Bellhousing Alignment, Chevy, Pontiac, Each

Part Number: DUR-AD-009-P

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Main Caps, Billet Steel, 4-Bolt, Angled, Chevy, Small Block, Set of 3

Part Number: PQX-1740002

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

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: Tomorrow

Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3

Part Number: PQX-1738901

Not Yet Reviewed

Estimated Ship Date: Jun 25, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: CCA-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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: Tomorrow

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

Part Number: PIO-PE-100

Not Yet Reviewed

Estimated Ship Date: Tomorrow