Holder's Premium Stage 1 155CC Injectors - 6.0 Powerstroke (2003-2007) Nozzle:30% Our friends over at H&S

Our friends over at H&S Performance have been testing this kit on their 2011 F250 for over 4 years

Not suggested for heavy towing

This turbine housing was proven to spool up faster AND make more top end power when compared to either previous option

These come with the better turbine wheel

100% Designed and Made in the USA

Holder's Premium Stage 1 155CC Injectors - 6.0 Powerstroke (2003-2007) Nozzle:30% Our friends over at H&S***Must send in cores first or add refundable core charge to your order*** These are what we would call our tow power injector. They displace 155cc of fuel and we usually pair these with either a stock or 30% injector nozzle. The smaller nozzle will help with towing maximum weight and keeping EGTs down while the 30% nozzle will be better for more top end power. If your stock fuel system is healthy it will support these injectors. However, we always