Project Carbon® 10L1000 Billet Steel Shift Valve Set

  Billet Steel Solenoid Regulator Valve Set: All 10-Speed Allison transmissions use a set of 6 different solenoid regulator valves. These valves are one of the most important upgrades a skilled technician can perform in any 10-Speed Allison transmission as they are responsible for activating and deactivating clutch packs when the computer commands them to do so. By nature, they are found to be leaking oil between circuits, in some amount, on almost every 10-Speed Allison valve body we receive here as a core. Many of these valves erode in the back near the solenoid, wearing down due to the soft material used to manufacture them from the factory. We resolved this problem permanently with an easy, drop-in solution. Our billet steel solenoid regulator valves feature smooth-bore design, preventing the friction that causes valve wear. Further, these valves are made of billet steel with a polished finish, proprietary to us, that are tested and proven to never damage the bore.  Additionally, w