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The Cometic one-piece rear main seal kit for 1997–2005 GM LS1 engines is a vehicle-specific crank seal set manufactured to meet or exceed OEM quality. Cometic produces seals from high-quality materials and tests them in-house; this kit supplies a direct-fit rear main seal for engine rebuilds or crank service on GM Gen-3/4 small block V8 applications.
Cometic 97-05 GM LS1 4.8/5.3/5.7/6.0L Rear Main Seal Set
