CHEVY/FORD/MOPAR 2-PIECE WING NUT FOR VALVE COVERS 3-1/2″ TALL (5/16″-18 x 1″ STUDS) – CHROME
3-1/2″ tall chrome Y-Top wing nut with a 2-piece design fit Pontiac & Ford engines. Thread size: 5/16″-18 x 1″ studs.
Compatible engine blocks:
1958-UP Ford 332-352, 390-406-427-429-460.
1955-77 Pontiac.