The Winters Sidewinder Lockout Shifter is designed specifically for GM TH350 automatic transmissions, delivering race-proven strength and safety with a reverse-pattern shift configuration. The Art Carr - Winters SideWinder delivers unmatched reliability and zero jam performance with no spring loaded levers, no missed gears, just smooth, positive engagement every time. The shifter features a mechanical reverse lockout system and a built-in neutral safety switch to ensure the vehicle can only be started in Park. Meets the safety requirements of most major American racing sanctioning bodies, including: National Hot Rod Association (NHRA) International Hot Rod Association (IHRA) SCORE International Best in the Desert (BITD) NASCAR (Dirt and Pavement Modifieds/Late Models) Sprint Cars (305, 360, 410) Drag Racing ULTRA4 Racing Note: We highly recommend reading your specific rule book; it is essential for safety and technical compliance. Specifications Manufacturer: Winters Performance Transmission Compatibility: GM TH350 Shift Pattern: Reverse Pattern Lockout: Yes Neutral Safety Switch: Yes Cable: 5 ft, 3 travel (typically included) Mounting: Console (removable for custom mounting) Fitment GM TH350 automatic transmissions Compatible with Winters console and side-mount options Tech Insight Lockout shifters are preferred in competition and when paired with a manual valve body TH350, the 157-1B provides direct driver control while maintaining maximum safety under aggressive driving conditions.