This is the Torque Control Spring & Locknut Set from Team Associated. FEATURES: The spring is constructed of plain black metal. The locknut is constructed of plain silver metal. Replacement parts used for the torque control on the slipper clutch in the Stealth transmission INCLUDES: (1) Spring (1) Locknut SPECS: Thread Size: 5-40 COMMENTS: This slipper clutch is adjusted by tightening or loosening this 5-40 locknut. btm 06/25/94 ir/le kr2/20/03