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This direct-acting throwout bearing eliminates all lost motion due to cable stretch or linkage flex. The compact size (just 3.0" high, 3" 3-bolt circle) makes it small enough to be adapted to almost any transmission including Hewland, Webster, and Weismann units. Most applications will require fabrication of an adapter plate.
The radius-faced bearing has 52mm contact diameter for clutches with 1 7/8" diaphragm spring hole. This includes Tilton 8.5" clutches and most AP Racing 4.5", 5.5", and 7.25" racing clutches. Maximum travel is 0.70 inches, so a clutch pedal stop must be used to prevent damage to the clutch and the engine. Tilton recommends pairing this assembly with a 3/4" bore master cylinder (sold separately).*
We also stock the Hydraulic Release Bearing Replacement 52mm Bearing (Part No. 163-60) and Tilton Hydraulic Release Bearing Rebuild Kit (Part No. 163-51).
* The 52mm bearing can also be used on 7 1/4" Tilton OT-II clutches, but the release effort will be higher. Using a smaller master cylinder will help to reduce pedal effort.
