2014-2017 GMC Sierra / Chevrolet Silverado/5.3/L83 OEM GDI Fuel Injector PN: 12668390Brand New Fuel Injector Fits 2014 2017 GMC Sierra 2014 2017 Chevrolet Silverado L83 Engines Part Number: 12668390 this supersedes many gm part#'s Please note that there is no functional difference between "low", "nominal", and "high" versions; you just need all eight to match. WARNING: Per GM, if you remove your fuel rail you must replace the fuel rail crossover tube which is a one time use. If this leaks, results could be deadly and the mechanic shop

Lingenfelter Performance Engineering

To further serve the needs of late model GM performance tuners a full line-up of fuel injector adapter harnesses and connector kits

Lambda and O2%

Able to support an aggressive 700+ horsepower

Big cube and high-rev applications without height limitations are the intent for these manifolds

* CNC 6061 aircraft aluminum bodies

Powdercoated gloss black finish

so make sure it is installed during the camshaft installation

These Aeromotive fuel pumps deliver 350 gph of fuel at free flow--enough for engines between 500 and 2

These gauge pods are constructed using durable ABS plastic that can be painted to match your stock interior

For use on turbo-charged and super-charged applications (Paxton

L83 and LV3