5.3L V8 L83

5.3L L83 V8 Small-Block Engine _ GM Powertrain OEM

The Gen-V 5.3L L83 engine delivers a combination of advanced technologies, including Direct Injection, Active Fuel Management (cylinder deactivation), and dual-equal camshaft phasing (Variable Valve Timing) that support an advanced combustion system.

Structurally, the Gen-V small-block is similar to the Gen III/IV engines, including the use of a deep-skirt cylinder block. Refinements and new or revised components are used throughout, including a revised cooling system and all-new cylinder heads. The engine is also designed to accommodate an engine-driven, high-pressure fuel pump for the direct-injection system.


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