EASY L / R BAND CHECKS
ANYTIME, ANYWHERE
NEW Th400 | 4L80-E
Externally Adjustable Servos
Improve transmission reliability and make staging more consistent and predictable with the new, award-winning Sonnax low / reverse servo system.
• Quickly check & adjust the L / R band to prevent transbrake malfunction
• Externally adjustable design for easy in-vehicle service
• 6061 Anodized billet aluminum cover adds strength & durability
www. sonnax. com / TH400
March / April 2026 DragIllustrated. com | Drag Illustrated | 35