This is our smallest upgrade. We modify your injector to flow 20cc over stock. You will see a gain in fuel economy and low end torque. With these ...

Warren Diesel Stock OEM Replacement Injector Set (8). We remanufacture all internal mating surfaces, inspect all pieces of the injector, replace de...

This is WDIs most popular injector. They flow 40cc’s of fuel over stock, and with larger nozzles flow fuel faster for higher RPM horsepower gains. ...

These injectors are capable of 550+ RWHP. They pair well with a stage 2 or bigger VGT charger and do very well with a S362 or larger fixed geometry...

These are the biggest conventional injectors you can run on a stock HPOP. They are capable of 600+ RWHP. They pair well with big VGT turbos and wi...

These are a hot street/competition injector.  They displace 250cc of fuel and Holders Diesel pairs these with 75%-100% nozzles.  The smaller nozzle...

These are a hot street/competition injector.  They displace 225cc of fuel and Holders pairs these with 75%-100% nozzles.  The smaller nozzle will h...

These are a hot street/competition injector.  They displace 300cc of fuel and Holders pairs these with 75%-200% nozzles.  The smaller nozzle will h...

These are a hot street/competition injector.  They displace 285cc of fuel and Holders pairs these with 75%-150% nozzles.  The smaller nozzle will h...

These are also a hot street injector.  They displace 205cc of fuel and we pair these with 30%-100% nozzles.  The smaller nozzle will help with your...

These are Holders Diesel stage 7 hot competition injector.  They displace 400cc of fuel and are all a single shot style hybrid injector.  The hybri...

These are Holders stage 6 competition injector.  They displace 350cc of fuel and are all a single shot style hybrid injector.  The hybrid injectors...

These are Holders stage 5 hot street/competition injector.  They displace 300cc of fuel and are all a single shot style hybrid injector.  The hybri...

These are Holders Diesel stage 4 hot street injector.  They displace 250cc of fuel and are all a single shot style hybrid injector.  The hybrid inj...

These are Holders stage 3 hot street injector.  They displace 230cc of fuel and are all a single shot style hybrid injector.  The hybrid injectors ...

These are our stage 2 towing/hot street injector.  They displace 180cc of fuel and are all a single shot style injector.  You will need custom tuni...

These are Holders Diesel stage 1 tow power injector.  They displace 160cc of fuel and are all a single shot style injector.  You will need custom t...