Reliable and durable for cars up to 200 mph. These Simpson Skyjacker reinforced nylon parachutes utilize a handmade crossform design that's reliable and durable up to 200 mph. They have a 10 ft. plume, which extends 12 ft. from the car and uses a 12 in. pilot chute and compression launch spring. The 0.090 in. alloy mounting plate allows for bolt-on installation, and they include a Nomex chute pack and backing.