1970 Corvette C3 Quadrajet Carburetor Gasket 300, 350, 390HP 3967470

1970 C3 Quadrajet Carburetor Gasket 300, 350, 390HP 3967470 - OEM Number(s) (3967470)

Ensure a precise carburetor seal for reliable performance on your 1970 Corvette Quadrajet engine.

This 1970 Corvette Quadrajet Carburetor Gasket is designed specifically for small block and big block applications rated at 300, 350, and 390 horsepower. Engineered with siamesed hourglass-shaped primary and secondary bores and no heat slot, this gasket replicates the original GM specification for a secure seal. Whether you’re restoring or maintaining your C3, replacing this gasket prevents vacuum leaks, maintains proper carburetor function, and keeps your Corvette running at its best.

Fits the Following Corvette Models:

• 1970 Corvette (C3) – 300 HP 350 engine

• 1970 Corvette (C3) – 350 HP 350 engine

• 1970 Corvette (C3) – 390 HP 454 engine

Material/Finish

• Factory-style composite gasket material

• Precision die-cut design

Dimensions

• GM-correct dimensions for Quadrajet carburetors with siamesed bores

Features/Benefits

• Direct replacement carburetor gasket for 1970 Quadrajet-equipped Corvettes

• Siamesed primary and secondary bores in hourglass shape

• Correct design without heat slot, as per original specification

• Restores proper carburetor seal and prevents vacuum leaks

• Fits 300, 350, and 390 horsepower engine applications

• GM reference part number 3967470

Because Details Matter

The seal between your carburetor and intake is a small part with a big job. Using the correct reproduction gasket ensures proper airflow, maintains fuel efficiency, and preserves the originality of your Corvette’s performance setup. Authentic restorations come down to accuracy—even in the smallest details. Because details matter.

Also known under these part numbers: (For reference only)

• 2083
• 353027
• 3726132
• 3967470
• 686420046660
• cz985
• FU145M