Valve Cover Gasket Set GM LS 1999-2019

The Valve Cover Gasket Set GM LS 1999-2019 is an OEM-specification replacement seal engineered for LS-series engines across two decades of General Motors performance and production vehicles. Whether you're maintaining a daily-driven truck, restoring a classic Camaro, or building a high-horsepower engine platform, this gasket kit addresses the most common leak point on these legendary powerplants. Valve cover leaks aren't just cosmetic—they can lead to oil migration onto hot engine bay surfaces, potential fire hazards, and accelerated degradation of ignition components and wiring harnesses.

This MAHLE ORIGINAL/CLEVITE gasket set features molded rubber construction in gray, a proven material choice that maintains elasticity across the temperature extremes of LS engine operation—from cold idle to sustained high-RPM load. The VS50250A specification includes all sealing surfaces required for a complete valve cover installation, eliminating the frustration of purchasing individual components or discovering missing pieces mid-job. Rubber gaskets on these engines benefit from excellent oil resistance and durability when properly installed with hand-tight fastener torque sequences; over-torquing aluminum valve covers is the leading cause of premature gasket failure and cover warping.

Mechanics and enthusiasts working on LS1, LS2, LS3, LS6, L99, LSA, and variant LS powerplants will find this kit compatible across the full 1999–2019 production window and common retrofit applications. Installation requires no special tools beyond standard hand implements and typically takes 30–45 minutes per side, making this an ideal first-time engine bay project or routine maintenance task for anyone comfortable with basic disassembly. Stock fitment and OEM-caliber seal quality ensure no leaks or compatibility surprises, making this gasket set a reliable, cost-effective solution for keeping your LS engine bay dry and functioning.