336311 Carburetor, Piston, Piston Ring, and Valve Manufacturing

This U.S. industry comprises establishments primarily engaged in
manufacturing and/or rebuilding carburetors, pistons, piston rings, and
engine intake and exhaust valves.

The data published with NAICS code 336311  include the following
SIC industries:

3592 Carburetors, pistons, rings, and valves