New-old-stock or good used locking gas cap for all 1955-56 Plymouth Belvedere - Fury - Plaza - Savoy; all 1955-56 Dodge Coronet - Custom Royal - Royal; all 1955-56 DeSoto Adventurer - FireDome - FireFlite and all 1955-56 Chrysler New Yorker - Windsor - 300 (NOT for Imperial). Incorporates a swiveling dust cover for the key slot. Includes (2) keys and "Use Only Vented Gas Cap" decal + + + + Specify NOS or used when ordering