Set of 17 Header Bolt Kit Fits for Mopar 4.7, 5.7, 6.1 Liter Hemi V8 8916

Package Includes:(As Pics Shown)Header Bolt - Locking - 8 mm x 1.25 Thread - 25 mm Long - Hex Head - Steel - Nickel Plated - Set of 17Header Bolt - Locking - 8 mm x 1.25 Thread - 25 mm Long - Hex Head - Steel - Nickel Plated - Set of 17Feature--Active Mechanical Locking System: Comprehensive fastener security that completely eliminates loosening caused by vibration and heat. Severe vibration and thermal expansion can cause standard bolts to loosen, leading to costly leaks and component damage. This active mechanical locking design resolves this issue, maintaining a secure hold even under the most extreme conditions.-- Easy to install: These fasteners can be easily removed and reused multiple times. They maintain 100 per cent clamping strength without damaging the threads, making maintenance a breeze.-- Convenient: A simple visual inspection is all it takes to immediately confirm that the fasteners are secure – no special tools required.

• Superior High Temperature Performance: Grade 8 bolts resist stretching under high heat conditions. Paired with duplex nickel finish for enhanced appearance and reliable corrosion resistance for long term exhaust system use
• Unique Double Hex Head Design: Features double hex head with 3/16 inches recessed allen head, bringing flexible and convenient operation for quick and smooth installation work
• Active Mechanical Locking System: Effectively stops loosening triggered by vibration and thermal expansion. Prevents expensive exhaust leaks and part damages, and keeps firm clamping force under harsh extreme working conditions
• Removable And Reusable Construction: The fasteners support multiple times removal and reinstallation. Full clamping strength can be preserved without thread damage, greatly simplifying routine maintenance procedures
• Simple Visual Inspection Function: You can directly check fastening status by visual observation only. No wrench or extra special tools are needed to verify tightness of these header bolts