Hong Nor CTR Torsen Diff for 7.7 777 Sacker Hyper 7 RC Differential - X1S-33

The Hong Nor X1S-33 CTR Torsen Differential is a direct-fit diff unit designed for the Hong Nor X1S, 7.7, 777 Sacker, and Hyper 7 nitro and electric RC car platforms. The Torsen-style design provides automatic torque biasing without the need for clutch packs or complex adjustments, making it a reliable mechanical differential solution for these Hong Nor vehicles. Whether you're replacing a worn-out unit or upgrading from a standard open diff, the X1S-33 is built to the specific dimensions and mounting requirements of this range.

Key Features

• CTR Torsen differential design automatically distributes torque between axle outputs based on available traction
• Direct replacement for the factory diff in Hong Nor X1S, 7.7, 777 Sacker, and Hyper 7 models
• Mechanical torque biasing requires no external clutch packs, shims, or diff fluids to function
• Part number X1S-33 makes sourcing and cross-referencing straightforward for owners of compatible Hong Nor platforms
• Suited to both on-road and off-road variants within the Hong Nor 7-series and X1S chassis lineup

What's Included

• 1 x Hong Nor X1S-33 CTR Torsen Differential unit

What You Need

• Compatible Hong Nor RC car (X1S, 7.7, 777 Sacker, or Hyper 7) for installation
• Basic RC hand tools for differential removal and installation
• Replacement diff grease or assembly lubricant recommended during installation