The Chevrolet small block V8 is one of the most iconic engines in the history of the automobile. The original small block, also known as the “283”, was first introduced in the 1955 Chevrolet Corvette, and was a modern design for the era, featuring overhead valves, hydraulic valve lifters, and – most importantly – lightweight cast-aluminum cylinders and heads. Chevrolet quickly expanded the small block V8 family, offering the original 283 in both carbureted and fuel injected versions, as well as a 327, a 396, and a race-only 427.
By the end of the 1960s, the small block V8 was no longer a small block at all, but a full-size modern design, displacing as much as 454 cubic inches. The original small block V8 was phased out in the 1970s, but was reintroduced in the 1980s as a modernized, fuel injected version of the original design.
Best small block chevy fuel injection kits : Top 10 Picks For 2023
Chevrolet small-block engines are legendary in the automotive industry. These V8 engines were first introduced in the 1950s and soon became the standard of performance for muscle cars in the 1960s and 1970s. The first small-block V8 was the 283ci, which was replaced by the more powerful 327ci engine.
This was later replaced by the more powerful 350ci. A high-performance version of this engine was also released, known as the race-ready 402ci.
1. 1/8 Scale Big Block Chevy Engine Kit (Hilborn Fuel Injection, 427, Muncie)
Features :
- Highly Detailed
- Fun DIY Model Kit
- Accurate Parts!
Additional Info :
| Color | Muncie |
This is the ultimate big block Chevy engine kit. The kit includes all the necessary components to build a complete engine, including the engine block, crankshaft, connecting rods, pistons, camshaft, lifters, timing chain, oil pump, intake manifold, rocker arms, fuel pump, fuel tank, fuel lines and fittings, fuel injection system and computer with controlling software. You can choose between a Hilborn fuel injection system or a conventional MUNCIE 4-speed manual transmission.
You can also choose between a 427 cubic inch (7. 56 liter) or a large 488 cubic inch engine.
2. Holley 550-511K EFI Self-Tuning Master Kit
Additional Info :
| Item Dimensions | |
| Height | 0 |
| Width | 0 |
| Length | 0 |
| Weight | 20.0400196158 |
The Holley Master Kit is ideal for those who want to tune their EFI system on their own. It includes everything you need to set up your system, aside from the fuel pump. This kit includes the self-tuning system, the fuel pressure regulator, the fuel rail, the fuel pump, the fuel pressure sensor, the fuel temperature sensor, and the necessary hardware to mount it all.
The self-tuning fuel injection system uses a MAP sensor, a MAF sensor, and a TPS sensor to read the air flow and load conditions of the engine. It also reads the temperature of the air and the fuel, allowing it to adjust the fuel injection to the specific needs of the engine.
3. A-Team Performance – 12-834 Mechanical Fuel Pump Small Block Two Valve – Compatible with Chevy Chevrolet GMC 262 265 267 283 302 305 307 327 350 383 400 High Volume Chrome
Features :
- High-performance 12-834 Two Valve Mechanical Fuel Pump Small Block in premium chrome finish.
- Compatible with Chevy GMC 262 265 267 283 302 305 307 327 350 383 400
- Two-Valve Mechanical Fuel Pump – Made of heavy-duty aluminum housing material with premium chrome finish for consistent performance and reliability
- Specifications – 80gph Free Flow, 6 PSI Pressure, Female Inlet and Outlet Attachments, Includes Gaskets
- Measurements – 1/4inch NPT Inlet Size and 1/4inch NPT Outlet Size
Additional Info :
| Color | Chrome |
Plated brass fuel pumpThis mechanical fuel pump is for high-output engines that require higher fuel pressure. It is constructed of chrome plated brass for long-lasting corrosion resistance and high fuel flow rates. It is rated to 40 PSI and compatible with small block Chevy and Gmc engines from 262-400. This fuel pump is designed to fit inside the fuel tank, and it is compatible with most stock and aftermarket tanks.
This fuel pump features a 1/8-inch NPT inlet and outlet, and it is rated to draw up to 10 amps. It has a 36-inch wire lead, and the inlet and outlet are located at opposite ends to prevent kinking that might cause a restriction in fuel flow.
4. FAST 30226-06KIT EZ-EFI Fuel Self-Tuning Throttle Body Injection Kit, Throttle Body Systems (30227-06KIT)
Features :
- Direct bolt-on carburetor replacement with throttle body dimensions similar to Holley And other popular carburettors, including a Holley-style throttle linkage And 4150 square flange intake bolt pattern
- Includes injectors And fuel rails supporting up to 650 HP
- No software necessary; intuitive self-learning system will work with only a few simple questions answered in the handheld’s Setup Wizard And one throttle screw adjustment
- Can control electric fuel pump, electric cooling fan And A/C line to raise idle RPM when A/C is turned on.Throttle Body Material: Cast aluminum
- Includes in-line fuel pump.
Additional Info :
| Item Dimensions | |
| Height | 14 |
| Width | 11.9 |
| Length | 22 |
| Weight | 10.07 |
| Release Date | 2016-11-29T00:00:01Z |
This kit will help you get the fuel mileage benefits of a modern fuel-injection system, without a lot of the hassle. The 30226-06kit provides a self-tuning fuel-injection kit for your older 30-pin DME, and it works with many stock BMW engines. The 30226-06kit plugs in to the throttle body on your older DME, and it’s designed to allow your fuel injection system to adapt to changes in atmospheric pressure and temperature. This kit is compatible with most 2.
5-liter and 3. 0-liter engines, and it’s a great choice for those who want to add fuel-injection benefits without a lot of extra work.
5. FITech Fuel Injection 31003 GoStreet EFI – Throttle Body Master Kit 400 HP Natur
Features :
- 400…
- Natural Aluminum…
- 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. This kit also includes 40-feet of EFI…
- Self-learning…
- Four flow-matched 62-lb…
Additional Info :
| Item Dimensions | |
| Height | 8.4 |
| Width | 18.3 |
| Length | 24.2 |
| Weight | 0.000625 |
Alequeste Fuel Injection System For Gasoline Engines By Fitech consists of a throttle body injection manifold, fuel rail and injectors, wiring harness, ECU, and all the necessary hardware to install the system on your S13, S14, S15, or SR20DET engine. This system is different from most universal aftermarket products because it was specifically designed to work with our SR series engines, plus it has a specific calibration for our cars.
The kit includes an adjustable fuel pressure regulator, an ECU with an OBDII port, and a high-quality wiring harness with an in-car temperature sensor.
6. TamerX Vortec Spider Fuel Injector Assembly With Plenum Gasket Kit for Chevrolet/GMC 5.0L/5.7L
Features :
- Includes all necessary parts and gaskets to perform a complete installation.
- Ensures smooth engine operation, cleaner emissions, improved fuel economy, and increased performance.
- Includes complete gasket set that kits from other manufacturers do not offer.
- 1 Year, Unlimited Mileage Warranty
- Free expedited shipping.
Additional Info :
| Item Dimensions | |
| Height | 4 |
| Width | 4 |
| Length | 12 |
VortecThis complete injector kit is a great choice for a Chevy 5. 7L LS1 swap, Chevy 5. 3L, or GMC 6. 0L Vortec swap.
With everything you need to get your engine running, this injector kit will make your life easier when it comes to getting your fuel system set up. These injectors flow at a rate of 60 lbs per hour and are 60cc. The injectors are brand new, and the kit comes with everything you need to install them, including the injector clips, plenum gasket, and even the intake manifold port o-ring.
7. NEW HOLLEY SNIPER EFI SELF-TUNING KIT,800 CFM,BLACK,4BBL,FUEL INJECTION CONVERSION
Features :
- Brand New Holley Sniper EFI Self-Tuning Kit – Black Ceramic Finish, 4 Barrel Fuel Injection Conversion – Self Tuning Kit plus Handheld EFI Monitor. (Part #550-511)
- Holley just brought EFI within range! Introducing Sniper EFI! 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. 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 | Coast Guard Approved: Yes | 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 | Model: 4150 EFI Conversion Throttle Body | Product Type: EFI | Transmission: 700R4/200R4
Additional Info :
| Item Dimensions | |
| Height | 0 |
| Width | 0 |
| Length | 0 |
KitThe New Holley Sniper EFI Self-Tuning Fuel Injection System will be an awesome addition to your Buick. It is designed to work with a 4-barrel carburetor and has the ability to self-tune the fuel to make sure that the best fuel mixture can be achieved without you having to adjust anything. Just like the old Holley Sniper systems, this one is also self-tuning, which means that it will constantly adjust the fuel mixture to make sure that the best fuel mixture for your engine is achieved.
This makes sure that the best possible power is achieved from the engine and will increase the performance of your Buick.
8. BETOOLL Pro Fuel Injection Pressure Tester Kit Gauge 0-140 PSI
Features :
- Dual Dial For Accurate Reading, With A 140 PSI /10 Bar Scale
- Deluxe Manometer Fuel Injection Pressure Tester Gauge Kit
- Set comes in a specially designed molded case to make storage easy and organized.
- A time saving quick coupler connection at the end of he gauge hose makes a speedy and efficient couple possible with most adapters.
- The included adapters, hoses and fittings cover all fuel injection systems and most cars and trucks world wide!
Additional Info :
| Item Dimensions | |
| Height | 13.18 |
| Width | 3.94 |
| Length | 16.5 |
| Weight | 4.78 |
Betooll’s fuel injection pressure tester is designed to check fuel injection pressures on gasoline engines. It is compatible with fuel injection pressure ports and has a 0-140 psi gauge for easy pressure readings. The kit comes with various adapters to check fuel pump pressures on different vehicles. It also has an anti-vibration design and comes with a one-year warranty.
This Betooll product is designed to test fuel injection pressure on gasoline engines, and it comes with a variety of adapters to test fuel injection pressure on various makes and models. The tester is compatible with Toyota, Nissan, Honda, and Mitsubishi fuel injection pressure ports.
9. Fitech Fuel Injection Go Street EFI System Master Kit w/ Inline Fuel Pump – 31003
Features :
- Go Street EFI System Master Kit 400HP
Additional Info :
| Color | Silver |
| Item Dimensions | |
| Height | 8 |
| Width | 18 |
| Length | 24 |
| Weight | 21.0320997948 |
Fuel pumps are a vital part of any fuel injection system. Without it, fuel will not be able to reach the injectors and the engine will not be able to get the fuel it needs to run. The Fitech fuel injection pump is a high pressure, high volume unit that has been designed to work with their intake manifold and their fuel injection system. The fuel pump has an inline configuration and comes with a universal 12V DC power cable that can be connected to an alternator or a car battery.
The pump can supply up to 8-9 PSI at more than 1. 5 GPM of fuel. The inline design makes it easier to install and reduces the risk of leaks.
10. 3Ft 6AN 3/8″ Fuel Line Hose Braided Stainless Steel W/2pcs AN6 Hose Fitting Kit Blue & Red Universal for Racing Fuel, Gas, Coolant etc
Features :
- Stainless steel braided CPE fuel hose can be used with transmission fluid, coolant, oil, pump gas, race gas ,vacuum, hydraulic fluid, lube, diesel and fuel. Commonly used as transmission oil cooler line, fuel return line, fuel supply line, coolant fluid hose, carburetor fuel hose, turbo cooler line, oil feed line, ls swap fuel line.
- Braided Steel Fuel Line Maximum Working Pressure (psi): 1000 psi. Bursting Pressure(psi): 6000psi. Working Temperature Range: -40℉ to 257℉(-40℃ to 125℃). Please make sure the pressure and temperature range is suitable for your application before purchase.
- Include a universal 3Ft fuel hose and 2pcs swivel hose ends; Inner Diameter: AN-6 (3/8″) – Outer Diameter: AN-9 (9/16″)
- Double stainless steel braid cover for excellent flexibility and resistance to abrasion. This hose is perfect for extreme environments where there is extra heat or where chaffing might occur.
- Professional installation is highly recommended. Warranty: CarBole offers 3-month warranty for the steel braided hose.
Additional Info :
| Color | Silver |
This hose is made of 304 stainless steel and has a protective white plastic cover over the braid to help protect it from nicks and cuts. The hose is rated to -40F to 302F and is safe for use with fuels and other fluids. The hose will work with 1/8” (3/8” ID), 1/4” (1/2” ID), 3/8” (5/8” ID) and 1/2” (3/4” ID) an6 hose fittings.
This hose is available in 2 lengths, 3 feet and 6 feet, and in red or blue.
Things To Consider Before Buying A small block chevy fuel injection kits
For fuel injection to be a viable option for your classic car, the setup must be reliable, simple to install, and offer good performance. The main components of a fuel injection system are the fuel pump, the fuel pressure regulator, the fuel injectors, the fuel intake manifold, the engine computer, and the wiring harness.
Fuel Pump
Fuel pump
Fuel injection is not compatible with every fuel pump on the market, so your first step is to ensure that your fuel pump will work with fuel injection. Fuel injection pumps have specific specifications that include a higher pressure and a specific flow rate.
Fuel Pressure Regulator
Fuel pressure regulator
The fuel pressure regulator is another component that must be considered when choosing a fuel injection setup for your classic car. Fuel injection systems operate at a higher pressure than carburetor systems. This means that you will need a fuel pressure regulator to lower the pressure from the pump to the injectors.
The fuel pressure regulator is also responsible for regulating the fuel pressure. This means that it will adjust the fuel pressure based on the demand from the engine computer. A fuel pressure regulator is required for any fuel injection system.
Fuel Injectors
Fuel injectors
Fuel injection injectors are responsible for adding fuel to the engine at the right time and in the right amount. Fuel injectors are typically the component that requires the most time to install on a fuel injection system.
The injector must be matched to the engine computer to ensure that the fuel injector opens at the right time. The injector must also have the correct fuel flow for that specific engine computer. The fuel injector flow rate is based on the cubic inches of the engine and the horsepower output from the engine.
Fuel Injectors Flow Chart
Fuel Injectors Flow Chart
Intake Manifold
Intake manifold
The intake manifold is the component of the fuel injection system that connects all of the fuel injectors to each other. The intake manifold is also responsible for directing the fuel to the individual fuel injectors.
The intake manifold is a universal component that comes with many fuel injection kits. It must be matched to the engine block and the engine computer in order to ensure proper performance.
Engine Computer
Engine computer
The engine computer is what makes the whole fuel injection system work. This is the brain of the fuel injection system. The engine computer receives information from various sensors and then decides how much fuel
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Conclusion
The best fuel injection conversion kit for small block Chevy is the Edelbrock E-Force supercharger system. It packs a ton of technology into a stealthy package that’s easy to install and won’t break the bank. If you want something that’s plug-and-play, the FAST EZ 30 fuel injection conversion kit is hard to beat.
It’s got everything you need to install it correctly and the controller is advanced enough to adjust to your engine’s changing needs. If you prefer a carburetor, the Holley 750 double-pump mechanical secondary carburetor is the best of both worlds.