aFe Silver Bullet Throttle Body Spacer (46-34001) is designed to boost horsepower, torque, and throttle response for 1999–2007 GM V8 4.8/5.3/6.0L trucks and SUVs. Precision-machined from durable T-6061 billet aluminum, this spacer features a unique serrated/helix design that creates air turbulence, ensuring a more thorough air/fuel mixture for a complete burn. This results in increased performance while improving fuel efficiency. Unlike other spacers that cause annoying whistling, the specially-designed serrated edge of the aFe Silver Bullet eliminates that issue. It also increases the volume between the throttle body and cylinder, enhancing overall engine efficiency.
Key Features :
Designed for 1999–2007 GM V8 4.8L, 5.3L, and 6.0L trucks and SUVs
Constructed from durable T-6061 billet aluminum for long-lasting performance
Serrated/helix design creates air turbulence for optimal fuel/air mixing
Increases horsepower and torque while improving throttle response
Eliminates whistling noise commonly found with other throttle body spacers
Boosts volumetric efficiency by increasing the volume between the throttle and cylinder
CARB EO Number D-550-11, California EO Approved
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