All new Race Comp Engineering Carbon Fiber Kool Brake Kit further reduces unsprung weight while directing air to the center of the rotor. Comes with 2 brake ducts, 2 x 300 degree temp. pieces of duct hosing and 4 stainless steel hose clamps. This is a racing part and intended for use on race cars. 99% of full lock is possible, but like most ducting sometimes duct hose can come undone.