ARP 3.9L Cummins 4BT 4BTA Balancer Bolt Kit model_D250 Use of a 3/4" wrench

Use of a 3/4" wrench for installation

the filter now has a Black Core

It can hold a 13-gram capacity which prevents large particles from entering the fuel pump

It is very rotor friendly and will last as long as your stock pad but typically they last a little bit longer

ARP 3.9L Cummins 4BT 4BTA Balancer Bolt Kit model_D250 Use of a 3/4" wrenchARP 3. 9L Cummins Turbo Diesel Damper Bolt Kit These ARP 147 2502 Harmonic Damper Bolt Kit applications: 1984 to 1998 3. 9L Cummins 4BT Diesel Engine. 1998 to 2001 3. 9L Cummins 4BTA Diesel Engine. As the crankshaft in your Cummins 3. 9L flexes and twists, the harmonic balancer is absorbs incredible amounts of kinetic energy. The ARP Harmonic Damper Bolts ensure that the crankshaft balancer is locked in position against the crankshaft. This Pro Series