1966 GMC Engine Blocks & Accessories

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

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

Steel Cup Expansion Plug 15/16 In., Height 0.380

Part Number: RNB-555-016

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-104R

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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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 27, 2026 if ordered today

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Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-121R

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

• Drop Ship
• Special Order