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FAST EZ-EFI Self-Tuning Fuel Injection Kits
The easiest EFI system you'll ever install, FAST's EZ-EFI Self-Tuning Fuel Injection Kits bolt to any 4150 carbureted engine up to 650 horsepower in just one afternoon (no manifold replacement needed). Simply hook up the system, answer the Setup Wizard's questions on the handheld unit, and EZ-EFI tunes itself as you drive! EZ-EFI works with any ignition and provides integrated diagnostics. For more aggressive applications, the EZ-EFI Dual Quad Upgrade Kit can handle 1200+ horsepower engines with dual quad carbureted manifolds.
No laptop or tuning experience required (Setup Wizard guides start-up & system tunes itself)
4150 throttle body works with original carb-style throttle linkage
Compatible with all ignitions, including HEI, and uses all OE sensors
Throttle body flows 1100+ cfm with the largest modern injectors and adjustable fuel pressure
Standard single throttle body system supports up to 650 HP; Dual Quad Upgrade supports 1200+ HP
Built-in diagnostic tools and Limp Mode designed to offer maximum engine protection should trouble arise
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A family-owned company with a rich racing heritage and a passion for muscle cars and street rods. We have over 55 years of experience delivering the best high-performance auto parts from the best brands. JEGS has a knowledgeable technical support staff, outstanding customer service, and 100% satisfaction guarantee. Our warehouse is filled with millions of name-brand auto parts ready for same-day shipping.
Who We Serve
Customers are priority #1. JEGS strives to offer as many of the auto parts and accessories you want for your car, truck, or Jeep. We have original equipment replacement parts for restoration projects, late model engines to swap into classic muscle cars, and aftermarket accessories for the hottest hot rod. Truck and Jeep fans will find wheels, cat-back exhaust systems, engines for off-roading, and much more! Camaro and Mustang enthusiasts can continue their feud by adding a Borla Exhaust, Cherry Bomb Muffler, or Hooker Headers.
Who We Sell
With over 600 brands for every part of your car, you’ll certainly recognize more than a few: exhaust from Flowmaster, Magnaflow, Borla, and Cherry Bomb; engine upgrades from Edelbrock, Holley, Comp Cams, and MSD; tires & wheels from Mickey Thompson, American Racing, Weld, and Hoosier. JEGS has the best selection of crate engines from GM, Chevy Performance, and Blueprint. From bumper to bumper, we have all the performance auto parts you need from the best brands.