# BBK 89-92 GM 305 350 Twin 58mm Throttle Body BBK Power Plus Series

BBK Performance throttle bodies are designed as a direct replacement for the restrictive stock factory throttle body. All BBK Power Plus throttle bodies offer OEM drive ability but with up to 30% improved airflow for improved horsepower, torque and throttle response. Every BBK throttle body is CNC Machined from a new high quality 356 aluminum casting and assembled with features like OEM style die stamped throttle linkages, double sealed bearings, and o ringed throttle shafts to make every BBK throttle body the best on the market today. All BBK Performance throttle bodies are designed to improve performance and they work with the vehicles factory tune. No tune is required and BBK throttle bodies are available for many late model American muscle cars and trucks.

-   Twin 58mm Design - Direct Fit Replacement - Increased Airflow For Better Throttle Response & Performance
-   Made In The USA

This Part Fits:

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

1989-1991

Chevrolet

Corvette

Base

1990-1991

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

## Details

- **Price:** 565.81 CAD
- **Vendor:** BBK
- **Type:** Throttle Bodies

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 565.81 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Unmounted
- User 3
- Photo - Unmounted
- User 2
- User 4
- Photo - Unmounted
- Photo - Unmounted
- User 3

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/bbk-89-92-gm-305-350-twin-58mm-throttle-body-bbk-power-plus-series)
> Updated: 2026-06-26