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Tilton: 7.25″ OT-II Cerametallic Racing Clutches

Tilton: 7.25″ OT-II Cerametallic Racing Clutches

Stock CodeTILTON/66-301UORA
RRP £651.43
Price Ex. VAT £515.71
Price Inc. VAT £618.85


Typically Ships In 5-7 Days




Tilton’s 7.25″ OT-II cerametallic racing clutches are primarily designed for racing applications where some clutch modulation is desired. They feature 4-paddle discs that incorporate a unique blend of ceramic and metallic materials. Cerametallic discs are thicker than sintered metallic discs, and they provide higher heat capacity through their increased mass. In addition, the engagement characteristics of cerametallic clutches are smoother than sintered metallic clutches. These features make Tilton’s 7.25″ OT-II cerametallic racing clutches popular in the following applications:

• Rally • Hill climb • Road racing • Club racing • Off-road • Extreme street/strip


See available option in dropdown menu above.

Features
• Open, one-piece clutch cover design. Provides lower operating temperature, higher strength and minimized deflection for quick shifting.
• Five diaphragm spring rate options. Provides a wide range of torque capacities and release loads to tune the clutch for the application.
• Chrome vanadium diaphragm springs and an engineered pressure plate geometry. Provides a high clamp load-to-wear ratio, low release load and quick shifting.
• High-strength steel pressure and floater plates.
• .283″ thick friction disc. Provides excellent wear resistance and withstands elevated temperatures.
• Hardened steel thrust buttons provide a smooth and durable surface for pressure and floater plates.
• Dynamic spin balanced.
• Individually inspected for proper assembly and balance.

Tilton’s cerametallic clutches are available with either a High Ratio or Ultra-High Ratio pressure plate. High Ratio pressure plates offer high clamp load over a wide wear range, while Ultra-High Ratio pressure plates provide 20% more clamp load and diaphragm spring travel (modulation). As seen on the graph below, the clamp load (or torque capacity) of the High Ratio pressure plate is relatively flat until .030″ (0.76mm) of wear; Ultra-High Ratio pressure plates offer a higher initial clamp load at a faster wear rate.

High Pressure Ratio
• Standard pressure plate ratio for Tilton’s cerametallic clutches
• Short release travel for quick engagement and shifting
• Flat clamp load curve for longest wear range

Ultra High Pressure Ratio
• 20% more release travel than High Ratio for improved modulation
• 20% more clamp load than High Ratio for higher peak torque capacity
• Clamp load drops more quickly with wear than High Ratio

Further information available in Download tab above.

Stock images use. Actual product may vary.

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