Stock K16 upgrade using our new lightweight billet compressor wheel (53/65mm) ideal for track /road course applications. Optional custom set of 15 psi Turbosmart wastegate. Good for up to 700hp with other power adders on race gas. Good k16 core required. Not only one of our clients ran a record time of 5.87 sec. in 60 to 130 mph, but also a world record  1/4 mile time of 10.41 second @ 134.66 mph on race gas.  You are buying a pair of turbos please select 1 in shopping cart.