Fits: 2011-2016 LML 6.6l Duramax Chevy GMC 2500 3500 Applications. Upgraded CP4 Pump Saver Fuel Pressure Regulator. 1xFuel Pressure Regulator. Prevents debris from entering fuel system. Will not prevent fuel flow - even with oversized pump.
This product would be the best fit for individuals who have a 2011-2016 LML 6.6l Duramax Chevy GMC engine looking to improve fuel pressure and enhance performance.
