Typical GM Powerglide Figure-8 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 Figure-8 thrust washer 8415-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