The Story
Pacbrake offers a wide variety of Pacbrake spring kits for all applications of 6BT & 4BT Cummins engines. Whether you are installing an exhaust brake or governor spring kits we have the kit for you. Heavy duty valve springs are Cummins OEM 3916691 white strip springs. The 60lbs spring is required for exhaust brake applications and is suggested for all governor spring installs. Governor spring kits allow the Bosch P7100 to spin the engine RPM up to 4000 RPM. Each kit comes complete with parts for either 3000 or 4000 RPM.
Description
Pacbrake offers a wide variety of Pacbrake spring kits for all applications of 6BT & 4BT Cummins engines. Whether you are installing an exhaust brake or governor spring kits we have the kit for you. Heavy duty valve springs are Cummins OEM 3916691 white strip springs. The 60lbs spring is required for exhaust brake applications and is suggested for all governor spring installs. Governor spring kits allow the Bosch P7100 to spin the engine RPM up to 4000 RPM. Each kit comes complete with parts for either 3000 or 4000 RPM.
