Manufactured from the highest quality machine finished aluminum.
Brand New Throttle Body Spacer Kit with spiral groove fits 4.8L 5.3L 6.0L from 1999-2007. If you have a 2007 please make sure that you don't need the 4 bolt spacer!(Very few need)
Designed to improve gas mileage & provide additional performance with your Cool Air Intake system.(2 TO 4 MORE MPG , ADD 4-6 MORE HP UP TO 20HP WITH OTHER MODS.),Torque gains between 900 to 3500 RPM. Gas mileage could increase 2-4 miles per gallon. Performance level may vary depending on driving condition and style.
Creates better engine cylinder filling and can be used with any grade of fuel for more power and economy.
For 1999-2007 CHEVY SILVERADO GMC SIERRA 4.8L 5.3L 6.0L.