Pay in 4 interest-free payments of $49.99 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
80 (Low) / 8
Bottom Line: Why on earth would anyone pay money for a product that kills power and mileage
the 683LS comes standard with billet dampened lockup mechanism
which is why it comes in a clear bottle
6L 2-door/4-door
XDP HEAVY DUTY HIGH BOOST VALVE SPRING SET FOR 1998.5-2022 DODGE RAM 5.9L/6.7L CUMMINS 1999-2003-7-3l-powerstroke 80 (Low) / 8Control 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 added boost
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