Size Chart
×
PART #1537
FEATURES:Improved Airflow = More Power
Increase throttle response on your 1989-1992 GM 305 and 350 TPI with this BBK Performance Twin 52mm throttle body. BBK Performance throttle bodies create quicker throttle response and better acceleration. This throttle body will increase airflow to your engine adding more horsepower and torque to the wheels.
Top Quality Construction
BBK Performance throttle bodies are CNC machined from high quality 356 aluminum castings to ensure perfect OEM quality and fit every time. Features die stamped throttle linkages double sealed bearings and o ringed throttle shafts.
Installation
This throttle body is a direct fit replacement for a hassle free installation. BBK Performance Throttle Bodies are designed and manufactured in the USA.
NOTE: TPS Voltage Target Key On setting is 0.54v (Connector Middle Wire) Idle Position
Emissions Information
This part is C.A.R.B Approved. EO Number Is D-245-15
It is Legal For use on the following GM applications in ALL 50 States: 1989-1992 Camaro/Firebird & Corvette 5.0L applications

| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1990 | Chevrolet | Camaro | Iroc-Z |
| 1989-1992 | Chevrolet | Camaro | RS |
| 1992 | Chevrolet | Camaro | RS Heritage Edition |
| 1991-1992 | Chevrolet | Camaro | Z28 |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition |
| 1989-1992 | Chevrolet | Corvette | Base |
| 1990-1992 | Chevrolet | Corvette | ZR-1 |
| 1991 | GMC | Syclone | Base |
| 1992-1993 | GMC | Typhoon | Base |
| 1989-1992 | Pontiac | Firebird | Base |
| 1989-1992 | Pontiac | Firebird | Formula |
| 1989-1992 | Pontiac | Firebird | Trans Am |
| 1989-1992 | Pontiac | Firebird | Trans Am GTA |
| 1989 | Pontiac | Firebird | Trans Am GTA SE |





