2005-2023 Powerstroke Kryptonite 4.5" Dual Rate Coil Springs (KRFC45) 6.7L

2005-2023 Powerstroke Kryptonite 4.5" Dual Rate Coil Springs (KRFC45) 6.7LAfter years of testing, from daily driving to harsh off road terrain, Heavy Hauling and everything in between. We now have available the Kryptonite 4. 5" Dual Rate Lift Coil Spring set. This is the most durable and premium spring option on the market. Designed with heavy duty truck use in mind, this spring provides rugged load handling capabilities while maintaining an extremely comfortable ride. Our true Dual Rate spring can provide the best of both

Stock rod bolts can become a weak link in high-boost

run more efficiently

KC300x & KC38r turbos

290 BAR Pop Pressure

if you have an earlier BD kit or other aftermarket turbos

2017-2022 Powerstroke 6

018″ piston protrusion and at least

This makes the BD sway bar end links the obvious choice when it comes time to replace the worn-out factory end links

The high pressure turbo essentially spools up fast and then feeds the low pressure turbo to make monster boost and horsepower

Our uniquely shaped Fuel Distribution Block allows us to have a smooth path of flow to each CP3 ensuring an equal distribution of fuel pressure and fuel flow

Sold as single for custom application only

Protect your investment by changing your fluid and filters every 30-40k miles