Throttle Body Gasket GM LS 97-05 4.8L/5.3L/5.7L

The Throttle Body Gasket GM LS 97-05 4.8L/5.3L/5.7L from Cometic Gaskets is an essential component for maintaining or modifying Gen III LS-platform engines. This gasket serves as an intake manifold seal, preventing vacuum leaks that can lead to performance issues such as rough idle and lean-running conditions. It is particularly important for those rebuilding stock engines or refreshing modified LS engines.

Constructed from advanced composite materials, this gasket is engineered to withstand the thermal cycling and pressures typical in LS applications. Its ultra-thin profile ensures proper clamping load without the need for additional spacers, maintaining a consistent seal across the throttle body mounting surface. This precision fit helps eliminate micro-leaks that can negatively impact idle quality and fuel economy.

Compatible with 1997–2005 GM LS engines across 4.8L, 5.3L, and 5.7L displacements, this gasket is ideal for a variety of applications, including Silverado, Sierra, and Tahoe platforms. Whether you're tuning a daily driver or a performance vehicle, this gasket is a critical part of your engine's maintenance routine, ensuring reliable operation over time.