Super-Quad chutes are 52 sq/ft (12' Diameter)and ideal for unblown drag race applications such as Super Comp, Super Gas, etc... Door cars up to 170 mph. Dragster & Altereds up to 200mph. Includes: Canopy, 9x9 Nylon Pack with aluminum internal plate, Spring-loaded Pilot and Bridle line. Spring Launcher Upgrade Available.