These drop-in injectors are a perfect upgrade for your FBO G35 or 350z equiped with a 3.5 DE engine.
Required when utilizing Test Pipes / High Flow Cats / Headers and aftermarket intake systems.
As the stock 270cc injectors are insufficient for any combination of these modifications.
Generally we will see the injectors max out on Duty Cylce around 5700-6000rpm 
These injectors give you an affordable / consistent and reliable drop in solution to mitigate this scenario. 
If you will be going to to E-85 you will need 340LPH Fuel Pump and slightly larger injectors 550cc +
All sets are cleaned and flow matched in-house. All sets are factory matched