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4.8 5.3 Gen 3/4 LS Engines

4.8L & 5.3L Gen 3–4 LS Engine Components

Our 4.8L  and 5.3L Gen 3–4 LS engine component lineup brings together the rotating assembly and block-related parts needed to support rebuilds, upgrades, and performance-focused projects. This offering includes the essential internals and supporting hardware used to refresh factory bottom ends or prepare an engine for added power. Whether you're restoring a high-mileage LS or assembling a budget-friendly performance build, this selection delivers dependable parts engineered for strength, durability, and proper fitment.