12-Piece Header Bolt Kit for Chevy GM LS Gen III/IV, M8 x 1.25, 12-Point, 8740 Chrome Moly, Black Oxide,Repalce OE 134-1202 GM 25182093

Upgrade your LS exhaust hardware with this Header Bolt Kit. Designed for Chevrolet GM Gen III and Gen IV LS series engines, this kit includes 12 high-strength 12-point bolts made from 8740 chrome moly steel with a durable black oxide finish. With M8 threads a, it is a practical choice for LS header installations that need a reliable, performance-oriented fastener solution.

• Designed for GM LS Gen III & Gen IV Engines – Engineered specifically for Chevrolet LS Series Gen III and Gen IV applications, making it a dependable header bolt solution for LS engine builds and exhaust upgrades.
• High-Strength 8740 Chrome Moly Construction – Manufactured from 8740 chrome moly steel for reliable strength and durability in high-heat exhaust environments.
• 12-Point Head with Black Oxide Finish – Features a compact 12-point head design with a black oxide finish for a performance appearance and dependable serviceability.
• Correct Size for LS Header Applications – Includes 12 bolts with M8 thread size and 1.181 inch under-head length, ideal for LS setups that require the longer header bolt configuration.
• Purpose-Built Exhaust/Header Hardware Kit – Designed as a dedicated cylinder head header bolt kit for secure installation of headers or exhaust manifolds on compatible LS engines.