BBK 1757 80mm Power-Plus Throttle Body for GM 4.8L 5.3L 6.0L Truck and Hummer H2

The BBK 1757 Power-Plus Series Throttle Body delivers substantial performance gains for 2003-2006 GM trucks and Hummer H2 vehicles equipped with 4.8L, 5.3L, or 6.0L engines. This 80mm high-flow throttle body is engineered to increase airflow and improve horsepower by 7-12 HP depending on the vehicle and application, with improved throttle response throughout the RPM range.

Premium Construction and Engineering:

• CNC-machined from high-quality 356 aluminum alloy castings for precise OEM fitment
• Double-sealed bearings for long-lasting durability
• O-ringed throttle shafts to prevent air leaks
• Precision die-stamped OEM throttle linkages
• Electronic controlled injection-molded plastic gear assemblies for drive-by-wire applications
• Direct bolt-on replacement for factory throttle body

Installation and Compatibility:

• Reuses OEM factory electronics - no tune required for stock applications
• Includes all required gaskets and installation hardware
• Recommended for vehicles with performance modifications, especially cold air intakes and exhaust systems
• 50-State CARB legal and emissions compliant

Designed, manufactured, and tested in the USA, the BBK 1757 throttle body represents over 20 years of fuel injection performance expertise. This upgrade maximizes airflow efficiency to help your engine breathe better, resulting in measurable power gains and improved drivability.