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

9L Mahle Set of 6 Pistons w/ Rings - Standard (224-3523WR)

4L Ford Powerstroke with this OEM replacement from Alliant

No cheap Knockoffs

Compatible with Methanol and high octane race fuels

extending oil change intervals and reducing overall maintenance costs

Reduced EGTs at increased power output

it removes water by demulsification

The drain port features a one-inch

Choose the original

Improve your throttle response with BD’s large bulbous intake plenum which holds extra reserve air available to improve turbo response time on acceleration

73 LPM Nozzle Flow

CP4 high pressure pumps are the Achilles heel of the LML Duramax engine because of high failure rates