Replace a worn or leaking rear main seal with this Tristar Racing Products LS rear main seal. Designed to provide a reliable seal around the crankshaft at the rear of the engine, this seal helps prevent engine oil from leaking between the crankshaft and engine block. An excellent replacement for LS engine repairs, maintenance, rebuilds, and performance applications where this seal is required. Features: Helps prevent engine oil leaks at the rear of the crankshaft Provides a reliable seal around the crankshaft Ideal for engine repairs, rebuilds, maintenance, and LS swaps Quality replacement for the original rear main seal Package Includes: 1 × Rear Main Seal Fits 1997+ GM LS-Series V8 Engines, including 4.8, 5.3, 5.7, 6.0, 6.2, LS1, LS2, LS3, LS6, LS7, LS9. Rear Main Cover Gasket sold separately or as a kit.