Industrial Injection Performance 150LB Valve Spring Kit for Dodge (1989-98) 5.9L 12V Cummins

Industrial Injection Performance 150LB Valve Spring Kit for Dodge 5.9L 12V Cummins The Industrial Injection 150LB Valve Springs are recommend for people who are pushing over 45psi boost and/or 3200rpm. These valve springs will help prevent valve float, there for allowing your truck to run more efficiently and make more power safely. Features: •150LB Seat Pressure •Good up to 4000rpm •Good up to 60psi Boost •Comes with both Intake and Exhaust Valve Springs