Quality kit containing all 3 Exact reproductions. Stamped steel zinc plated dipstick correct curved handle, text and fill lines. GM Group #: 1.516 GM Part #: 3951576. Stamped steel zinc plated upper dipstick tube. 6-1/2" from shoulder to top. correct original contour, transition from thick to thin in middle of tube. GM Group #: 1.516 GM Part #: 3876870. Stamped steel EDP plated lower dipstick tube. GM Group #: 1.516 GM Part #: 3951600