XDP Heavy Duty High Boost Valve Spring Set XD390 SPIDERWEBSHADE pressure drop

pressure drop

Milwaukee M12 Right Angle Drill

ARP Model 726-3000

Now "tumble" forward to increase the size of the rear load area

XDP Heavy Duty High Boost Valve Spring Set XD390 SPIDERWEBSHADE pressure dropXDP Model XD390 Control the valvetrain in your modified 1998. 5 2022 Dodge 5. 9L 6. 7L 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