The Industrial Injection 150LB Performance Valve Springs are recommend for people who are pushing over 45psi boost and/or 3200rpm.
These performance valve springs will help prevent valve float, there for allowing your truck to run more efficiently and make more power safely.
- 150LB Seat Pressure
- Good up to 4000rpm
- Good up to 60psi Boost
- Comes with both Intake and Exhaust Valve Springs
- Fits Dodge Cummins 1989-1998 12 Valve, and also the 4BT Cummins
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WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.