Stage 8 8915 Locking Header Bolt Kit 5/16-18 x 7/8 Inch

The Stage 8 8915 Locking Header Bolt Kit provides secure fastening for exhaust headers with a patented three-piece locking design that prevents loosening from vibration and heat cycling. This kit includes 12 pieces of 5/16-18 x 7/8 inch bolts featuring 6-point double hex heads for positive engagement.

Key Features:

• Patented three-piece locking system: 4130 alloy steel bolt, locking retainer, and spring clip
• Prevents horsepower loss and gasket failure caused by loose fasteners
• 6-point double hex head design with 3/16 inch recessed Allen head
• Heat and vibration resistant construction
• Application-specific sizing for proper fit
• Complete kit with all necessary hardware included

Stage 8 locking fasteners are engineered specifically for high-temperature exhaust applications where conventional fasteners can work loose over time. The locking retainer and spring clip system maintains constant tension on the bolt, ensuring your header stays securely fastened without the need for safety wire or lock washers.