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Gen IV LS 4.8/5.3
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Gen IV LS 4.8L / 5.3L Performance Parts
The Gen IV 4.8L and 5.3L LS engines (2007–2014) improved upon their Gen III predecessors with aluminum or iron blocks, variable valve timing (VVT), and active fuel management (AFM). Power output ranged from 295 to 326 hp, with common applications in Silverados, Tahoes, and Suburbans. At Texas Speed & Performance, we offer AFM delete kits, performance cams, and valvetrain upgrades to unlock real muscle from your Gen IV LS build.
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