MAHLE Engine Valve Stem Oil Seal Set 98-12 Ram 5.9/6.7L Cummins RGA-C9_25-410R this BOSS rack still allows

this BOSS rack still allows for the use of all inside the rail tonneau covers

Pick your color and keep your truck cool under pressure

This one bolt must be installed prior to engine assembly

Are you looking to increase the fuel economy (MPG's) of your LB7 Duramax

MAHLE Engine Valve Stem Oil Seal Set 98-12 Ram 5.9/6.7L Cummins RGA-C9_25-410R this BOSS rack still allowsAre you noticing blue smoke at startup or increased oil consumption in your 5. 9L Cummins? The MAHLE Valve Stem Seal Kit is designed to restore proper oil control in the valvetrain of your 5. 9L 6. 7L Cummins engine. Over time, factory valve stem seals can harden or wear out, allowing engine oil to slip past the valve guides and enter the combustion chamber. This leads to oil burning, excessive smoke, and reduced engine efficiency. Replacing them with