Drag Illustrated Issue 171, September / October 2021 | Page 35

YOUR ULTIMATE SERVO FOR PEAK PERFORMANCE AT ANY POWER LEVEL

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 .
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
September / October 2021 DragIllustrated . com | Drag Illustrated | 35