Tilton’s 3-plate metallic OT-III heavy-duty racing clutch in  5.5 inches offers the low moment-of-inertia, high torque capacity and reliability necessary for the most demanding racing applications.
Tilton's popular line of 5.5″ OT-III metallic racing clutches with the addition of lower-rate diaphragm spring options. While still providing high torque capacity, the new diaphragm springs significantly reduce release loads compared to other 5.5″ racing clutches on the market. 

Tilton’s 5.5″ OT-III metallic racing clutches offer the low moment-of-inertia, high torque capacity and reliability necessary for the most demanding racing applications. These features have made metallic clutches the most common clutch type used in road racing and circle track racing. The included high-ratio pressure plate features short-release travel for quick engagement and shifting as well as a flat clamp load curve for a longer wear range.  5.5″ OT-III metallic racing clutches are not recommended for street use.

5.5″ OT-III metallic racing clutches applications include:

• Circut Racing
• Rally
• Short Course Off Road

• Torque capacity: 750 lb-ft/1020 Nm
• Release load: 850 lb/375 daN
• Weight: 7.7 lbs/3.5 kg
• M.O.I.: 42.4 lb-sq. in/.0125 kg-sq. m
• Pressure plate ratio: High

Weight and M.O.I. includes discs.