Common Rail Relief Valve Shim Kit Chevy LLY/LBZ/LMM Duramax 2004.5-2009 - Dodge 6.7L Cummins 2007.5-2018

Inexpensive kit to allow for the adjustment of common rail fuel pressure relief valves.

• Allows for the adjustment of common rail fuel pressure relief valves

• 1 Hour

• 12-Months
• 12,000 Miles

• This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included. (EMS:4)