This set of six springs works on either the intake or exhaust valves of the 12-valve 5.9L Cummins.
As exhaust springs they handle 60 psi of back pressure from an exhaust brake; as intake springs they suit high-rpm P7100 kits or performance camshafts. Installing an exhaust brake and a P7100 kit together takes two sets.
12-valve Cummins owners adding an exhaust brake, a high-rpm pump kit or a cam.
| Engine | 5.9L 12-valve Cummins |
|---|---|
| Quantity | 6 springs |
| Rating | 60 psi exhaust back pressure |
| Install time (BD estimate) | 2.5 hours |
| Warranty | 12 months / 12,000 miles |
| Shipping weight / box | 1.2 lb · 7.8 × 3 × 1.3 in |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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