Best Performance Fuel Throttle Body Injection Kits of 2025

BBK 3501 Twin 56mm Throttle Body is an American designed and built high flow power plus series that increases airflow to improve horsepower, torque, and throttle response over the stock. It is recommended for vehicles where modifications have been made or planned, especially cold air intakes and exhaust. The throttle body is assembled with components that exceed OEM standards, ensuring years of trouble-free performance. It is a simple direct bolt-on replacement for the factory unit with simple hand tools in less than half an hour.

This throttle body spacer is made in the United States and designed to fit specific vehicles. Its package dimensions are 22.352 L x 4.064 H x 14.224 W (centimeters). It falls under the fuel throttle bodies category.

The BBK 3502 Twin 61mm Throttle Body is a high-performance aftermarket product designed and built in the USA. The throttle body increases airflow to improve horsepower, torque, and throttle response over the stock body. It is recommended for vehicles with modifications like cold air intakes and exhausts. The product features a CNC machined casting assembled with components that exceed OEM standards, ensuring years of trouble-free performance. The throttle body is a direct bolt-on replacement for the factory unit and can be installed with simple hand tools in less than half an hour.

The BBK Performance Throttle Body is a high flow Power Plus Series 102mm throttle body that increases airflow to improve horsepower, torque, and throttle response over the stock. This product is designed and built in the USA and recommended for vehicles where modifications have already been made. The CNC machined casting is assembled with components that exceed OEM standards, offering years of trouble-free performance. It is a direct bolt-on replacement for the factory unit and can be installed with simple hand tools in less than half an hour.

BBK 1537 Twin 52mm Throttle Body from the High Flow Power Plus Series is designed and built in the USA to increase airflow and improve horsepower and throttle response over the stock throttle body. It is recommended for stock applications where few modifications are made or planned, and it is a bolt-on product that fits all 305 350 TPI GM Applications, Camaro, Firebird, Corvette. The CNC machined casting is assembled with components that exceed OEM standards, ensuring years of trouble-free performance.

The BBK 1534 Twin 52mm Throttle Body is a high flow power plus series for GM 305/350 TPI designed to increase airflow, improve horsepower and throttle response over stock. It is recommended for stock applications where few modifications are made or planned. The throttle body is all new CNC machined casting assembled with components that exceed OEM standards, ensuring years of trouble-free performance. It is a bolt-on 8-12 HP throttle body that fits all 305 350 TPI GM applications including Camaro, Firebird, and Corvette.

The Lokar TCB-40SD Throttle Kickdown Bracket is an auto part designed for Vehicle Specific fit type. The product is CNC machined from 6061-T6 Billet Aluminum which provides both strength and style. It is designed to fit single or dual quad cabs and comes with dual stainless steel return springs for easier installation. The package dimensions are 18.034 l x 20.32 w x 0.762 h (centimeters) and weighs 0.367 kilograms.

The Ford Racing M-9474-M50B Throttle Body Adapter allows you to enhance the performance of your vehicle with a trusted industry leader. As a fuel throttle body designed for the Boss 302 Intake, it provides great performance and is backed by the manufacturer's warranty. With fast shipping, you can quickly upgrade your vehicle's throttle body and enjoy the benefits of improved performance.

Holley 502-6 EFI is a direct replacement for OE units with a 2 in. throttle bore and a 42% area increase over stock TBI. This throttle body includes an air distribution ring that increases torque and horsepower up to 25%. The 2 in. throttle bore provides a larger opening, allowing more air to flow through, which improves engine performance. The 42% area increase over the stock TBI also improves airflow and increases engine power. The air distribution ring ensures that the air is distributed evenly, which results in a smoother and more efficient engine operation. With Holley 502-6 EFI, you can enjoy increased engine power and improved fuel efficiency.

Upgrade your vehicle's performance with the Professional Products 69220 Throttle Body. This 70mm polished throttle body is designed to increase airflow and improve throttle response. The precision-machined construction ensures a perfect fit and easy installation. The throttle body is compatible with fuel throttle bodies and is a perfect replacement for your stock throttle body. With the Pro Prod 69220 Throttle, you can expect improved horsepower, torque, and fuel efficiency. The polished finish adds a sleek and professional look to your engine bay.