PDI Billet Oil Fill Cap for Cummins ISX and X15 S8/OnX6 (2) Custom Machined Grade 8

(2) Custom Machined Grade 8 Bolts and Hardware

while still being lighter than a laptop

as well as all major cold air intake designs currently on the market

The OEM Bosch system is timed

To improve on the Super PhatShaft turbos we needed improve performance at a lower rpm range and we needed to reduce compressor surge

PDI Billet Oil Fill Cap for Cummins ISX and X15 S8/OnX6 (2) Custom Machined Grade 8Available for: 2010 2020 Cummins ISX12, ISX15, X12, X15 Engines Performance Diesels BIG BOSS Oil Fill Caps are CNC machined from high grade billet aluminum for longevity and superior performance. OEM fill caps are made from inferior plastic which is known to fail and leak oil. Due to vibration and inferior engineering, low quality oil fill caps have been known to come loose and fall off while driving down the road. Dont get caught in a bind! PDI Oil