Improved Racing Windage Tray Lock-Nuts, GM LS Engines, Factory Main Studs

Secure your LS windage tray or crank scraper to the factory main studs with a GM-spec lock-nut built to resist vibration.

Key Features

• Class 10 flange nut with M8 x 1.25 threads
• Opposing trident locking impressions resist loosening from vibration
• Holds a proof load of 8,500 lbs (38 kN)
• Meets or exceeds the factory GM lock-nut (GM part number 11609746)
• Sold individually

Important Notes

Most LS and Vortec engines use 10. F-Body and Holley 302-2 pans use 8.