fits make: Chevy, Gmc.

( Brand: Holley ), ( Manufacturer Part Number: L-80379 ), ( Type: Throttle Body ), ( Connector Type: Plug ), ( Material: Aluminum ), ( Bore Diameter: 670 Cfm ), ( Fuel Type: Gasoline ), ( Performance Part: Yes )
Elevate the performance and appearance of your Chevrolet or GMC S-Series pickup with the Holley L-80379 Throttle Body Kit. This high-performance upgrade is designed specifically for the 4.3L TBI engine, delivering an impressive 670 CFM airflow for enhanced throttle response, acceleration, and power.
The Holley L-80379 kit consists of two 4-barrel single-plane throttle bodies, each featuring a durable, compact design that seamlessly replaces the original throttle body assembly. The throttle bodies are equipped with 52mm throttle bores, which greatly increase airflow compared to the stock 40mm throttle bodies, providing a noticeable improvement in engine performance.
The throttle bodies are also equipped with Holley's unique integrated idling system, ensuring smooth and consistent idle quality, even under heavy load or during cold starts. This system allows for easy adjustment of the idle speed, providing flexibility to fine-tune the performance to your specific vehicle and driving style.
The throttle bodies are constructed from high-quality aluminum, offering both durability and lightweight benefits. They are also finished with a black powder coat for an attractive, long-lasting appearance that enhances the look of your engine bay.
Installation of the Holley L-80379 Throttle Body Kit is straightforward and can be completed with common hand tools. The kit includes all necessary hardware, including throttle position sensors, gaskets, and bolts, for a hassle-free installation process.
Upgrade your Chevy GMC S-Series 4.3L TBI engine with the Holley L-80379 Throttle Body Kit (Part No. 502-7). This high-performance upgrade not only increases power and acceleration but also enhances the appearance of your engine bay. Experience the difference that Holley quality and performance can make in your vehicle.
**Holley L-80379 Chevy GMC S-Series 4.3L TBI 670 CFM Throttle Bodies (502-7): Pros, Cons, and Recommendation**
**Pros:**1. High Flow Rate: With a CFM (cubic feet per minute) rating of 670, these throttle bodies provide a significant airflow, which can enhance the performance of your engine.
2. Direct Fitment: Designed specifically for Chevy and GMC S-Series vehicles with the 4.3L TBI engine, these throttle bodies ensure a straightforward installation process.
3. Durable Construction: Holley is known for its quality products, and these throttle bodies are no exception. They are built to withstand the rigors of high-performance driving.
4. Improved Throttle Response: By replacing your stock throttle bodies, you can expect improved throttle response, making your vehicle more responsive to acceleration.
**Cons:**1. Cost: High-performance parts like these throttle bodies can be pricey, which may not be suitable for budget-conscious buyers.
2. Requires Tuning: Installing these throttle bodies may require additional tuning to ensure they work optimally with your engine management system.
3. Potential Vehicle Noise: Due to the increased airflow, there might be an increase in engine noise, which some users may find bothersome.
**Conclusion:**The Holley L-80379 Chevy GMC S-Series 4.3L TBI 670 CFM Throttle Bodies offer a significant upgrade in terms of airflow and throttle response. If you're looking to improve the performance of your vehicle and are willing to invest in high-quality parts, these throttle bodies could be a great choice. However, keep in mind the potential costs associated with installation and tuning, as well as the increased engine noise.
**Recommendation:**If you're considering these throttle bodies, make sure to weigh the pros and cons carefully. If you're comfortable with the potential costs and the changes in vehicle noise, these throttle bodies could be an excellent addition to your vehicle, providing improved performance and responsiveness. If you're uncertain, it may be wise to consult with a professional mechanic or performance specialist to help you make an informed decision.
Come as pics let me know if there is an issue. Chevy GMC S-Series 4.3L Holley TBI 670 cfm OE Replacement Throttle Bodies 502-7. I sometimes make mistakes, but i'm not out to cheat anyone, or sell you something you're 100% happy with. A if you follow the golden rule, and treat me as would like to be treated, I will do my best make it right by.