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4-5-6 Clutch Backing Plate

4-5-6 Clutch Backing Plate

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SONNAX 4-5-6 CLUTCH BACKING PLATE 6L80 6L90 104140A-01


OE Part No: GM 24240654

Material: Steel
GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate 104140A-01 is designed to minimize flexing/bowing when the clutch is applied, drastically reducing the likelihood of clutch plate distortion.

Stiffer backing plate design outperforms OE and aftermarket plates

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