JEEP TJ/JK OIL CAPOil Cap; Billet Aluminum;Made From 6061-T6 Billet AluminumBrushed And Textured With Clear Anodized FinishGives Your Engine A Custom LookThe Drake engine oil cap adds a custom touch to the engine compartment. Custom machined with the proper threads like the original cap. The included o-ring provides a precision fit and the necessary oil seal. CNC machined from 6061-T6 billet aluminum with brushed and textured surfaces with a clear anodized finish.