Features
- Set of 6 springs that can be used on either the exhaust or intake valves in 12-valve 5.9L Cummins engines
- Replacement exhaust valve springs to allow for 60psi of back pressure with Exhaust Brakes
- Heavy-duty intake valve springs for high RPM P7100 kits or performance camshaft applications
- If installing an Exhaust Brake and P7100 Kit at same time, 2 sets of springs required
