Vehicles equipped with listed Ford transmissions often experience failure of the intermediate roller clutch or mechanical diode during high-rpm conditions. Sonnax spiral retaining ring kit 76554RK incorporates a spiral snap ring that is staked to a locking ring to ensure ring contact with groove during high RPM conditions, eliminating blowout.

Wrap-around design maintains contact with groove bottom
Locking ring prevents spiral retaining ring expansion during high RPM

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