Heavy Duty High Boost Valve Spring Set 1998.5-2018 Dodge 5.9L/6.7L Cummins XDP VGT Turbos 3L Powerstroke with the XDP

3L Powerstroke with the XDP Pushrods 3/8 inch Street Performance XD321

they are far from it

4L Power Stroke engines

These levels of amperage stress ALL components in the circuit including cables

They displace 190cc of fuel and we pair these with 30%-100% nozzles

Heavy Duty High Boost Valve Spring Set 1998.5-2018 Dodge 5.9L/6.7L Cummins XDP VGT Turbos 3L Powerstroke with the XDPControl the valvetrain in your modified 1998. 5 2018 Dodge 5. 9L Cummins with the XDP Heavy Duty High Boost Valve Spring Set XD390. The XD390 Valve Spring Kit is designed to help eliminate valve float due to elevated cylinder pressures and higher boost levels. Common upgrades like aftermarket tuning and fueling and turbo upgrades can cause valve float that results in severe engine damage. Intake valves can also be blown open from added boost levels