Tilton 4000-Series Hydraulic Release Bearings
The 4000-Series hydraulic release bearings from Tilton have a 4-leg mount that bolts directly to Tilton 52/53-Series bellhousings. Their compact design can be adapter to other bellhousings. Interchangeable pistons and bearings allows use with nearly any racing clutch.
Always use a clutch pedal stop with an HRB! Overtravel of the pedal causes a huge spike in line pressure. This can be strong enough to destroy clutch fingers. Even worse, it can push the crankshaft forward and grind up the thrust bearings. This can quickly lead to a loss of oil pressure and a loss of an engine.
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This bearing fits all Tilton hydraulic release bearing assemblies with press fit or self-centering pistons. The 44mm contact diameter works with Tilton 7 1/4" (OT-II) and QM 7.25 or 5.5" clutches.