These NZKW 6061 Billet Aluminum Bung And Caps are great for just about any project. Including rear end differential housings Fill Caps, Valve Cover Fill Caps, Surge Tank Fill Caps, Coolant Overflow Catch Cans; And Just About Anything You Can Think Of.
Overall Dimensions 19mm H*51 W Cap ID: 38mm Welding seat OD 40.7mm
