aFe Silver Bullet Throttle Body Spacers TBS GM Trucks & SUVs 99-07 V8-4.8/5.3/6.0L (GMT800)

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.Installation InstructionsThis Part Fits: Year Make Model Submodel 2004-2007 Buick Rainier CXL 2004-2005 Buick Rainier CXL Plus 2002-2006 Cadillac Escalade Base 2003-2006 Cadillac Escalade ESV Base 2002-2006 Cadillac Escalade EXT Base 2007 Chevrolet Avalanche LS 2007 Chevrolet Avalanche LT 2007 Chevrolet Avalanche LTZ 2002-2005 Chevrolet Avalanche 1500 Base 2005-2006 Chevrolet Avalanche 1500 LS 2005-2006 Chevrolet Avalanche 1500 LT 2002-2003 Chevrolet Avalanche 1500 North Face 2002-2003 Chevrolet Avalanche 1500 On Road