Fuel injectors will increase your small-block Chevy’s power and performance while also lowering its fuel consumption.
A tiny block chevy is a car with a lightweight engine that provides superior acceleration and handling. Having a small block Chevy with a carburetor engine, on the other hand, meant spending hours each morning trying to start the vehicle and suffering through all the necessary maintenance.
Do yourself a favor and install a fuel injector kit in your small block Chevy’s engine to replace the carburetor. It is less expensive and needs less maintenance, yet it delivers the vehicle with more power and torque than a carbureted engine while lowering the car’s fuel consumption.
This is a significant financial commitment, which is why you should do your homework before investing in a model. I evaluated a few small-block Chevy fuel injection systems and found these seven to be the finest on the market. This page includes in-depth evaluations of each fuel injection kit as well as a purchasing guide to assist you in selecting the right one for your car.
15 Best Small Block Chevy Fuel Injection Kits
✔️ Throttle body mounted ECU – no extra boxes to mount
✔️ Supports up to 650HP (4 Injector version) and 1250HP (8 Injector version)
✔️ 4wire vehicle connection (battery + battery – switched ignition & RPM)
✔️ Integrated fuel pressure regulator
✔️ Fit type: Vehicle Specific
✔️ Package Weight: 5.205 kilograms
✔️ Package Dimensions: 19.3 L x 36.7 H x 29.7 W (centimeters)
✔️ Includes Go EFI In-line Fuel Pump The Go Street EFI combined with the Inline Fuel Pump Fuel Delivery Kit is a ready-to-run system that strays away from the programmable features and sticks to the basic functions necessary to get the best performance and economy out of your street and mild performance engine.
✔️ The Inline Fuel Pump Fuel Delivery Kit includes an EFI grade 255 L/PH inline external fuel pump that is suitable for engines making up to 600HP.
✔️ Holley just brought EFI within range, introducing Sniper EFI master kits! It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. The Sniper EFI master kit contains the most complete EFI fuel system on the market.
✔️ Everything is included to completely plumb your fuel system including; 20 feet of 3/8″ EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today!
✔️ Specs: CFM: 800 | Finish: Black | Flange Style: Dual Bolt Pattern | Fuel Pressure: 58.5 PSI | Height: 3.28″ Injector Size: 100 lb./hr @58.5 PSI
✔️ Inlet/Outlet Size: 9/16-18 Female O-Ring (AN 6) | MAP Sensor: 2Bar | Max Horsepower Rating: 650 Naturally Aspirated | Product Type: Sniper 4BBL TBI Kits | Transmission: 700R4/200R4-TH350
✔️ Windshield mount for control
✔️ Four 80-lb. flow matched injectors
✔️ Extreme self-learning for wide range of super-fast dial in connection
✔️ Suitable for crate engines and performance engines
✔️ Pre-programmed with bolt-n-go technology for out of the box performance with minimal input required
✔️ Easy Tach input, reads Tach signal from COIL, HEI, CDI, and many other ignition brands (no timing control)
✔️ For non-boosted engines-natural aspirated applications only
✔️ Wide band O2 sensor with mounting kit
✔️ On board fuel pump diver with PWM
✔️ Hand-held tuning module for performance tuning
✔️ One fan control
✔️ Compatible with E-85 gasoline
✔️ Externally mounted ECU to maintain that classic carburetor look
✔️ (4) Injectors support up to 650hp
✔️ Integrated ignition timing control & coil driver
✔️ High resolution full color touchscreen for setup, tuning, and gauge displays
✔️ The included Genuine Bosch LSU 4.2 Wideband Oxygen Sensor provides real time Fuel Map Learning
✔️ Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with stainless steel T-Bolt clamps and a stainless steel (Weldable) oxygen sensor flange
✔️ High-flow aluminum throttle body with four 45mm diameter throttle bores to increase the air flow for additional horsepower gains and large CM engines
✔️ All sensors excluding the O2 and coolant sensor are integrated directly into the throttle body
✔️ Works with original carb-type distributor, factory-style throttle linkage, and most four barrel intake manifolds
✔️ Contains everything required to install a multiport electronic fuel injection system with EZ-EFI
✔️ EZ-EFI system tunes itself; no laptop required
✔️ Designed for street rods and muscle cars with up to 550 horsepower
✔️ High performance looking EFI intake manifold adds style and function to any engine
✔️ Are you waiting to convert your carbureted vehicle to Sniper EFI, but don’t like the idea of mounting an external fuel pump? Look no further. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. This contains combines the Sniper EFI Self Learning Throttle Body, with an easy to install In-Tank Retrofit Returnless Module, 20 ft of Earl’s Vapor Guard Fuel Hose, and the required fittings.
✔️ The included fuel system places a 340LPH fuel pump in the tank, which can easily be accomplished with basic hand tools. The Drop-in Master kits make plumbing your Sniper EFI installation as hassle free as possible, simply cap the regulator on the sniper efi throttle body with the provided -6an cap, safely route the vapor guard fuel line along the chassis back to the diecast fuel hat, and the job is finished.
✔️ Note: This kit does not require a fuel return line, as the fuel pressure regulator is mounted in the tank.
✔️ NOTE: United States Coast Guard Approved Certified to ISO 8846, SAE J1171 Requirements | F. transmissions may require Part Number 20-60 F. Transmission Kickdown Spring & Bracket kit | A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
✔️ Self Learning Auto Tuning – XFI 2.0 includes an automated self-tuning feature that can quickly and accurately populate a base tune.
✔️ Advanced Software – FAST’s C-Com windows-based software allows for individual cylinder correction, user-enabled fuel pressure changes and the ability to interface with ignition controllers as well as power-adder/turbo control.
✔️ Qwik Tune Technology – FAST’s Qwik Tune Technology allows you to pre-program up to four different maps that can be toggled with the flip of a switch. Allows for the addition of a valet tune, street tune, economy and race tune.
✔️ Fully Sequential Ready – Including our Dual Sync Distributor, multi-port manifold/injectors and an air-only throttle body, this kit allows for the control of individual injectors.
✔️ Fuel System Included – Able to support up to 550 HP, this kit includes a quality fuel system that can be controlled by the XFI 2.0 ECU.
✔️ Fits Chevrolet Small Block
✔️ Made in USA
✔️Throttle body mounted ECU – no extra boxes to mount. Supports up to 650hp with Four 100 Lb/Hr Injectors!
✔️Only 4 Wiring Connections Required! (Battery +, Battery – , Switched Ignition & RPM). A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
✔️Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!. Simple Calibration Wizard (Answer a few questions about your engine and it creates the base map, then starts tuning on its own!) – NO laptop required! Note : Refer to the PDF attached below in
✔️Technical Specification for User Manual
✔️ Compatible with GMC Sierra 1500 6.2L V8 Yukon 6.2L V8 Yukon XL 6.2L V8
✔️ Searching related installation video on the internet will be recommended and always wear eye protection and start with installation tools
✔️ Our products are stored in warehouses, and there will be collisions during handling or transportation (most products need to be kept lubricated, it is normal to have lubricants, they are not second-hand products). But please rest assured that it will not affect the use. If you have certain requirements for appearance, please contact us and we can exchange your goods. Thank you for your understanding!
✔️ Aluminum Fabricated Manifold FiTech Fuel Injection is introducing the all-new Ultra Ram SBC EFI self-tunning induction system for SBC engines designed for the do-it-yourself hot rodder to the professional EFI tuner!
✔️ This system is ready to go with everything you need to convert your carbureted small block Chevy to top of the line EFI FiTech self-learning technology.
✔️ Made to fit your crate stock rebuilt motor to your custom built race SBC. Upgrade your induction system and be on the road…
✔️ Replace Part Number：0280150947。Please check your car information before purchase.
✔️ Longevity：Stainless steel calibration slide and spring assembly prevents corrosion within the fuel control body leading to an extended service life.
✔️ Recommendations for regular cleaning of fuel injectors: Generally speaking, if the car is in good condition and the fuel quality is good, it can be done every 40,000-60,000 kilometers. Even if the fuel injection nozzle is slightly clogged, you don’t need to be too nervous, because the impurities can be sprayed and dissolved when accelerating at a high gear. It is recommended that car owners should often run at high speeds when driving daily to reduce the possibility of carbon deposits.
✔️ 1 Year Warranty:JDMON fuel injector offers 1 year warranty. If the injector ever fails on your vehicle during the warranty period, simply contact us for a replacement.
Owning a small block Chevy with a carburetor engine entails waiting for the car’s engine to warm up for at least ten minutes each morning and coping with a sputtering engine while driving. In addition, you must periodically tune the carburetors to ensure that they do not die. By performing the job on their own, fuel injection kits remove all of this additional effort. It is entirely based on the ECU’s computations.
You now need to know which characteristics and features make or break a deal after reading comprehensive evaluations of each of the finest fuel injection kits for small-block Chevy. When I was looking for a type of fuel injection system to convert my car’s engine from carburetor to EFI, I found these few criteria to be the most useful.
Fuel Pump Capacity
Every fuel injection system comes with a fuel pump that connects to your vehicle’s engine. There are many different kinds of gasoline pumps, each with its unique power capability measured in horsepower. If your vehicle’s engine generates 550 horsepower, a gasoline pump with a capacity of 400 horsepower will be ineffective.
This is the most important element that will determine whether you get the right type of fuel injection kit or the incorrect one, resulting in a waste of money. Find out how much horsepower your engine generates, and then look for a model that can handle that level of power.
All of the injectors, sensors, throttle position sensors, and computer sensors required for fuel injection are carried and housed in the throttle body. It’s the brains of the fuel injection system. As a result, the throttle body must be built to exacting standards.
The most common materials used to make throttle bodies are cast aluminum or diecast metal, since both provide the body with a high level of strength and durability, which are two of the most important characteristics. There are certain versions with plastic throttle bodies on the market; avoid them.
Number of Injectors
On the market, there are a variety of kits to choose from. A single injector is connected to the throttle body in single-point injectors. The second kind is multipoint, which has more than one injector placed at the throttle, as the name implies. Both of these kinds function well, but before you spend any money, you should find out which one is ideal for your engine.
Kit Should Be Complete
Most fuel injection kits include with everything you need to connect the machine to your car’s engine. Some fuel injection kits, however, are missing a few components. Then you’ll need to buy those components individually to for your machine to operate properly. As a consequence, you wind up spending a lot of money. Always check to see whether the kit is complete or if there are any missing parts.
This may not seem essential to some people, and others may even ignore it entirely, but it is crucial, particularly if you are looking for a model that will be simple to install. The majority of fuel injection kit models do not come pre-programmed. This isn’t always a deal breaker, particularly if you’re a professional.
However, mounting the machine to your vehicle and then doing all of the programming to get it to function will be a nightmare for a beginner. If you’ve never dealt with automobiles before, invest in a kit that comes pre-programmed so that installation isn’t a hassle.