Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1964 Chevrolet Chevelle 409S Header - Base - 5.3L - GAS - 4BBL Exhaust Header.

Period. No Hassle. GUARANTEED.

We cover round trip shipping if we make a mistake.

Check out the video below to view the Guaranteed Exact Fit process from start to finish!