Pay in 4 interest-free payments of $73.75 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Received within 31–45 calendar days: 50% refund — $750
We understand this isn’t ideal
Upgraded Solenoid Switch Valve
Six (6) Universal CreditsRequired for ECM unlocking and flashing
Instructions (Click Here)
Big Boost Valve Spring Kit | 1998.5 - 2024 Cummins Duramax L5P Hard Parts Received within 31–45 calendar days:From daily drivers and heavy duty tow rigs to full blown drag strip builds, these springs are engineered to handle everything from mild upgrades to wild performance. Unlock the full potential of your Cummins engine with the Performance Diesel Worx Big Boost Valve Spring Kit, engineered for superior performance, durability, and reliability. This complete drop in package delivers 103 lbs. of seat pressure and 176 lbs. of open pressure at 0. 420
