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. PartNumber : afe46-34006 Description : Silver Bullet Throttle Body Spacer 1996-1997 Chevrolet C1500 Base V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 Chevrolet C1500 Cheyenne V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 Chevrolet C1500 Silverado V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 Chevrolet C1500 WT V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1997 Chevrolet K1500 Base V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 Chevrolet K1500 Cheyenne V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 Chevrolet K1500 Silverado V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 Chevrolet K1500 WT V6.-cc Air Intake Systems::Throttle Body Spacers 1997 GMC C1500 Sierra GT V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 GMC C1500 Sierra SL V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 GMC C1500 Sierra SLE V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 GMC C1500 Sierra SLT V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 GMC C1500 Sierra Special V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 GMC K1500 Sierra SL V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 GMC K1500 Sierra SLE V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 GMC K1500 Sierra SLT V6.-cc Air Intake Systems::Throttle Body Spacers 1996-1998 GMC K1500 Sierra Special V6.-cc Air Intake Systems::Throttle Body Spacers