Swag Performance 4BT Main Stud Kit* 4BT Cummins 3.9L Swag Performance 4BT Main Stud Kit* 4BT Cummins 3.9L 4 Cylinder Please consult with Cummins for Engine Installation & Torque Specs *THESE ARE MAIN STUDS NOT CYLINDER HEAD STUDS! Similar to ARP 247-5404/ARP2000 MSRP: Was: Now: $169.99 Add to Cart The item has been added