This is an SEP original! Nowhere else can you find direct OEM fitment for A TON of Chevy truck engines with this high of flow!

Testimonials: "Well I have to say first off your  customer service is  AMAZING 👏,  AND almost as good as your products..... I have a 79 k5 with a mild 6.0ls 450lph   comp cams  ls1 269lr  cam  and a 4l60e with 2600 stall  converter  . Purchased  a set of your  SEP 600cc, I'm new to  the whole tuning thing but between your staff and the terminator x max my blazer RIPPS! Thank you for your help and your bad @$$ products.... forever customer" - James

Sets of 4-6-8 will be matched to less than 2% variance on a dynamic test when ordered. Flow report included in package and stored in our database for future reference.

Full Injector Flow/Offset report included in package. Plug and Play ECU tuning data for all SEP Injectors included with purchase via email request. (Plug and Play ECU data/Injector characteristics provided by Calibrated Success Inc./Greg Banish)

Fuel Compatibility: Standard Gasoline and Ethanol Flex fuel

Crank Horsepower Rating @58psi fuel pressure, 93 octane, V8 engine with 1 injector per cylinder: 800hp

Connector: Multec, "Mini Delphi"

Flow Rate @43: 600cc/min, 60b/hr

High Impedence, 12.5 ohms coil

*** It is IMPERATIVE when running high flow fuel injectors you run a 10 Micron inline aftermarket fuel filter system!!! Failing to do so will allow debris COMMONLY found in pump gasses into the injector body and begin to alter fuel flow rates and/or cause TOTAL FAILURE of fuel injectors voiding your warranty and damaging your engine***

• 2001-2007 Chevy, GM, LM4/LM7/L33 Engines,
• 2001-2007 Avalanche, Escalade, Express 1500/2500, Silverado, Suburban, Tahoe

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

• 1965 and older U.S. manufactured California Certified vehicles
• 1967 and older U.S. manufactured Federally Certified vehicles
• 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

• Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle