74 and on Porsche 911 front RS bumper with oil cooler and brake ducts. All bumpers are hand laid woven fiberglass, which makes a strong yet light part (avg" 6 lbs). Reinforced mounting areas. When purchasing the front and rear RS bumpers you get the front splitter at no cost.Great for racing or street. Also available is the 911 rear RS bumper,front bumper splitter ,ducktail spoiler, fiberglass hood at (14 lbs).