This Porsche 911 GT3 style tail base, deck lid, aluminum uprights and 60" Fiberglass Wing Blade is a GT Racing exclusive Kit. It is designed to fit earlier Porsche 911's (1965-1993 911 through 964) and is designed for race car drivers that want a light weight adjustable wing to really dial their car in. It allows the wing blade to be just under the roof line and just inside of the rear bumper per most racing rules. The wing blade is a low profile, low drag wing and can be adjusted for multiple attack angles. For 964 applications, you need to use hinge adapters GT Racing part#11A. The decklid uses the stock Carrera, SC style plastic factory grill not sold by GT Racing. Individual GT Racing Parts included in this kit: #17, #17A and #426-60.