aFe Silver Bullet Throttle Body Spacer Kit | GM Trucks & SUVs V8 4.8/5.3/6.2L (07-11) (46-34003)aFe Silver Bullet Throttle Body Spacer Kit Part #: 46 34003 Overview The aFe Silver Bullet Throttle Body Spacer Kit is an affordable upgrade designed for GM trucks and SUVs equipped with V8 engines ranging from 4. 8L to 6. 2L (model years 2007 2011). This spacer is engineered to be installed easily between your throttle body and intake manifold, providing a straightforward way to enhance your vehicles performance. Crafted to improve volumetric