Description Maximizer Throttle Spacers are custom design specifically for each make, model and year. Lightweight AL6061 billet aluminum, CNC precision machined for perfect fit. Increase airflow through all cylinders for better performance. Increase fuel mileage and throttle response. DIY Installation time: Two hours

• For 07-13 GM/GMC Pick-up and SUV 4.8, 5.3, 6.0 & 6.2L 1500

For 07-13 GM/GMC Pick-up and SUV 4.8, 5.3, 6.0 & 6.2L 1500Maximizer