2005-2023 Powerstroke Kryptonite 2.5" Dual Rate Leveling Coil Springs (KRFC25) 2003 - 2007 Dodge Cooling Systems

2005-2023 Powerstroke Kryptonite 2.5" Dual Rate Leveling Coil Springs (KRFC25) 2003 - 2007 Dodge Cooling SystemsAfter years of testing, from daily driving to harsh off road terrain, Heavy Hauling and everything in between. We now have available the Kryptonite 2. 5" Dual Rate Leveling 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

Plus our upgraded turbine wheel and HFV technology help to lower EGTs which gives you even more confidence when towing a heavy load up a steep grade

Thanks to its thick

Water deflectors are added to increase turbulence to the coolant flow to aide in heat dissipation

25" thick-walled Hi-Silicon ductile casting

These PPE up-pipes are designed and manufactured as replacement up-pipes for PPE High Flow up-pipe kits

By simply bolting this kit on

will improve fuel economy and increase power by 50 RWHP over stock

Revmax proprietary CNC machined stator designs

70 AR cover with redesigned map groove

When servicing the oil cooler on your 6

Inexpensive protection and easy installation

all PPE Transmission Pans are much stronger than the stock units