Ls — Models

: Its compact size allows it to fit into nearly any engine bay, from classic muscle cars to small Japanese imports. Core Model Generations

The family is primarily divided into two generations before transitioning to the newer Gen V "LT" series: : LS Models

: A higher-output version used in the Corvette Z06 and early Cadillac CTS-V. Generation IV (2005–2020) : LS2 (6.0L) : Standard in the C6 Corvette and Pontiac GTO . : Its compact size allows it to fit

: A hand-built, high-revving naturally aspirated engine used in the C6 Z06 . LS Models

: Many enthusiasts use "iron-block" truck engines (e.g., 5.3L LM7 or 6.0L LQ4 ) which share the LS architecture but are more affordable and abundant in salvage yards.