With the Sonnax Smart-Tech ^® ratio-style servo , Powerglide racers are finally freed from crippling OE design flaws that cause unexplained band failure , broken shafts and staging issues .

It is the ONLY servo that brings Powerglide performance into the modern era for unmatched reliability in even the most extreme applications .

March / April 2022

Part # 28821-10K

Patented design eliminates the “ pin bias effect ” handicap of traditional Powerglide servos PLUS :

• Supported servo pin eliminates piston binding

• More total apply force than any stock-size servo

• Prevents staging issues & backing up

• Guards against input shaft failure from tie-up on shift

Ask for Sonnax Products from Your Performance Parts Distributor

Get Your Gearhead On www . sonnax . com

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