Cummins Cylinder Heads - 4B 3.9 Head Section

New Cummins Cylinder Head for 4B, 4BT, 4 BTA 3.9 Engines

Cummins Intake Valve Kit for 4B, 4BT, 6B and 6BT 3.9 Engines

Cummins Cylinder Head Bolt 70mm for 4B, 4BT, 6B and 6BT 3.9 Engines

Cummins Upper Gasket Kit for 4B3.9 and 4BT 3.9 Engines

Cummins Head Gasket for 4B and 4BT 3.9 Engines

Cummins Intake Valve Insert for 4B 3.9, 4BT 3.9, 6B 5.9, 6BT 5.9 Engines

Cummins Intake Valve Guide for 4B 3.9, 4BT 3.9, 6B 5.9, & 6BT 5.9 Engines

Cummins Valve Guide Seal for 4B, 4BT, 6B, 6BT 3.9 Engines

Cummins Heavy Hexagon Nut

Beige Paint for Cummins Diesel Engines

White Paint for Diesel Engines

Gray Paint for Diesel Engines