OT-Series metallic clutches offer the low weight, low inertia, torque capacity and reliability needed for the most demanding racing applications.  OT-Series clutches are available in 5.5”, 7.25” and 8.5” diameters.

OT-140 (5.5”) clutches are available in 1-disc to 4-disc configurations, with three (3) diaphragm spring rate options.

OT-185 (7.25”) clutches are available in 1-disc to 4-disc configurations, with six (6) diaphragms spring rate options and two (2) pressure plate ratio options.

OT-215 (8.5”) clutches are available in 2-disc to 4-disc configurations.