fits model: 350. make: Chevrolet, Chevy, Gmc. year: 1987-89.

( Brand: Holley ), ( Manufacturer Part Number: 80405 ), ( Type: Fuel Injection ), ( Oe/oem Part Number: 1988 1989 )
Experience unparalleled performance and reliability with the Holley 80405 502-6 TBI Throttle Body, specifically designed for 1987-1989 Chevrolet Chevy and GMC vehicles equipped with a 350 5.7L engine. This throttle body is a direct replacement for the original part, ensuring a seamless installation process and a perfect fit.
The Holley 80405 TBI Throttle Body is engineered with precision, featuring a durable cast-aluminum construction that withstands the rigors of high-performance driving. The throttle body is designed to deliver optimal airflow, thanks to its 65mm bore size and meticulously calibrated butterfly valve. This design ensures smooth and responsive throttle response, enhancing the overall driving experience.
Holley's TBI Throttle Body is equipped with a state-of-the-art electronic control system that works in harmony with your vehicle's fuel injection system. This system accurately meters the fuel and air mixture for optimal combustion, resulting in increased horsepower and torque. The system also includes an idle air control motor, ensuring a stable idle under various operating conditions.
The Holley 80405 TBI Throttle Body comes with a factory-new O-ring and gasket, ensuring a leak-free installation. The throttle body is also compatible with aftermarket intake manifolds, providing you with the flexibility to customize your engine setup as needed.
In summary, the Holley 80405 502-6 TBI Throttle Body is a high-quality, performance-oriented upgrade for your 1987-1989 Chevrolet Chevy or GMC 350 5.7L engine. With its robust construction, optimal airflow, and advanced electronic control system, this throttle body will significantly improve your vehicle's performance while maintaining a factory-like fit and finish. Upgrade your engine today with the Holley 80405 TBI Throttle Body.
The Holley 80405 502-6 TBI Throttle Body for 1987-1989 Chevrolet/Chevy GMC 350/5.7L engines has both advantages and disadvantages. Here are some points to consider:
Pros:1. Holley is a reputable brand known for high-quality performance parts, which can provide reliable service.
2. This throttle body is designed specifically for the specified engines, ensuring a proper fit and function.
3. It features a 650 CFM four-barrel carburetor-style throttle body, which can improve engine performance.
4. The TBI (Throttle Body Injection) system offers easy idle control and better fuel efficiency compared to a carburetor.
Cons:1. The price point may be higher compared to some generic aftermarket throttle bodies.
2. Installation can be complex due to the need to integrate with existing engine management systems.
3. Performance gains may vary depending on the condition of the rest of the engine and the vehicle's overall setup.
Ending Conclusion:The Holley 80405 502-6 TBI Throttle Body can be a great upgrade for your 1987-1989 Chevrolet/Chevy GMC 350/5.7L engine, offering improved performance and fuel efficiency. However, it's important to consider the complex installation process and the potential higher cost compared to other options. If you're comfortable with the installation and are looking for a reliable brand, this product could be a good choice. If price is a major concern, you may want to explore other options or consider a used throttle body. Always ensure that any parts you purchase are compatible with your specific vehicle model and engine.
For rebuilding or parts. See pics for condition. Linkage moves free. Holley 502-6 TBI throttle body, list number 80405.
Please verify part number and pics match your application.