2003-2010 Powerstroke 6.0L/6.4L Manton Straight Valve Springs Valve Springs (D-105-6.0/6.4)2003 2010 Powerstroke 6. 0L 6. 4L Manton Straight Valve Springs Valve Springs (D 105 6. 0 6. 4) Designed by Manton for reliability across all performance levels, from Mild to Wild. Sold in a pack of 32 springs.

P1 Performance Products counters this by using fully sealed tubing that adds years of life to your exhaust system

More than a year in development

Each kit includes 11 exhaust spacers and class 8

5-2002 24v Injector Set: Injector set capable of supplying enough fuel for 600 RWHP with proper supporting modifications

All OEM Parts

If in a new engine

Why Upgrade Your L5P Intake

This kit does not include the filler caps found on the HD and the HD high clearance kits as they are not required to replace the factory splash guards

250 plus RWHP with proper supporting modifications

4L Gator Fasteners HD Head Stud Kit (HSK64)

It features CNC-machined Aluminum and stainless Steel Components to ensure a precise fit that's guaranteed to last

The Wideband O2 air/fuel ratio UEGO gauge is a must if you want to maximize your engine's power and safety