Quarter Midget 5/16" Trick Lock Washer β Anti-Vibration Hardware Solution Designed to deliver grip under pressure, the 5/16" Trick Lock Washer is a specialty fastener trusted by quarter midget racers for maintaining bolt tension in high-vibration environments. Whether you're locking down suspension components or mounting chassis hardware, this washer provides reliable hold with minimal weight. π§ Product Highlights: Size: 5/16" inner diameter Design: Trick lock geometry for added grip and resistance to loosening Material: Hardened steel for durability under race conditions Functionality: Helps prevent fasteners from backing off due to vibration Application: Ideal for quarter midget chassis, drivetrain, and suspension systems Finish: Zinc or black oxide finish (availability varies) Looking to bundle with jam nuts, AN washers, or a full hardware kit for pit-side efficiency? I can help you lock in a fastener strategy that keeps every lap secure.