Pacbrake C14010 Valve Springs '88-'98 12 Valve 5.9 Cummins 1947-OK-HD ---- 13" Full Organic

1947-OK-HD ---- 13" Full Organic clutch kit w/ flywheel 425 hp 900 trq 20k towing capacity

Kit part # ISK1

pre-filled and pre-bled

$45 CORE CHARGE

4" turbo Back with muffler and 5" OD T304 tip

Pacbrake C14010 Valve Springs '88-'98 12 Valve 5.9 Cummins 1947-OK-HD ---- 13" Full OrganicPacbrake upgrade 60 psi valve springs, sold in a set of 6. One set is required to upgrade exhaust valve springs to run an exhaust brake. **2 sets needed to do all 12 valve springs if you want to run 4000 rpm. "PacBrake strongly recommends installing heavy duty (60 psi) exhaust valve springs with their exhaust brake on 1988 1998 12 valve Dodge Cummins for optimum braking power. The factory exhaust valve springs are not rated to retain the pressure the