Flow-Max Lift Pump Pressure Spring 18PSI BD Diesel GM Diesel " Improved internal lubrication by adding

Improved internal lubrication by adding high power boost valves

** NOTE:  For vehicle’s in which the factory HX / HY35 turbo charger has been changed to                      an aftermarket turbo charger

Part Number: 0986435503SE-R4

The responsiveness settings enable you to dial-in the optimum balance between responsiveness and low boost smoke control no matter what additional power modifications have been made to the engine

Part Number: 1045827

Flow-Max Lift Pump Pressure Spring 18PSI BD Diesel GM Diesel " Improved internal lubrication by addingPressure regulation spring to alter Flow MaX lift pump output. Warranty: Parts 12 Months 12,000 Miles Emissions: 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)