Typical GM Powerglide Figure-8 and tabbed planetary washers are made from soft material that wears easily and will buckle and fail catastrophically. For greater reliability, wear resistance and longer service life, Sonnax offers heavy duty tabbed thrust washer 8415B-HD to rebuild or refresh a 1.76-style planetary, including Sonnax 1.80 and 1.69 ratio carriers.

• Made of steel-backed bimetal for improved strength plus a PTFE lining for high wear resistance
• Wider web on Figure-8 washer further increases strength