Compatible with GM LS Series Engines – Designed for LS1, LS2, LS3, LS6, LQ4, LQ9, and Vortec 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L applications.
Durable 304 Stainless Steel – Built from hardened stainless steel for maximum strength, rust resistance, and reliable performance under extreme heat.
OEM & Aftermarket Fit – Direct replacement for factory exhaust manifold bolts, ideal for LS engine swaps and performance header installations.
Complete 12-Piece Kit – Includes twelve M8 x 1.25 stainless steel hex flange bolts to securely fasten exhaust manifolds or headers.
Secure, Leak-Free Seal – Precision-engineered threads and flange head design provide a tight fit that helps prevent exhaust leaks and loosening over time.