BD Diesel Valve Spring Kit 60lb Cummins 5.9 12-valve

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 BD 5.9L Cummins Valve Spring Kit 60lbs Dodge 1988-1998 12-valve - Set of 6 Suggested items: 1040185 - 1040187 - 1061800-6 - 1300030 - 2033135