Spanning up to 71 inches over its optimized 2D airfoil shape, the APR Performance GTC-250 Adjustable Wing supplies maximum downforce in widebody sports and touring car applications. Benefits Best-in-class Lift vs Drag (L/D) ratio ensures peak performance Angle adjustment holes allow for easy tuning of downforce Reinforced pre-preg carbon fiber withstands extreme loads Specs Pattern - 2×2 twill weave Material - Pre-preg carbon fiber, 3K Coating - UV-stable clear coat Wing Measurement - Custom span Up to 71”, 10” chord Hardware - Stainless-steel machine screws, washers, and nuts Mounting - 6061 billet aluminum brackets/pedestals with application-specific bottom mounting bases