BLACK Steel TWIST-IN Style OIL CAP; GM Vehicles; Rubber with BLACK Steel Top.
In addition to fitting Trans-Dapt Performance Product's this GM factory-style, twist-in oil filler cap works with Trans-Dapt O.E. and reproduction-style valve covers #9503, 9504, 9518, 9916, 9917 & 9918, as well as, many factory installed valve covers on 1958-86 SB Chevy and 1965-72 BB Chevy engines.