Bare aluminum four-barrel intake manifold with cast firing-order…

Bare aluminum dual-plane intake manifold lying face-up on a concrete floor, showing the square-bore four-barrel carburetor mounting pad, distributor hole with rusty collar, and cast lettering reading FIRING ORDER 15426378 alongside casting numbers 9K-18485 and SK-18464. Both cylinder-head flanges show old gasket residue.

AI caption May 2008 · Photo 225 of 455