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For applications above 3
Expansion-controlled designs ensure small fitting clearances
cylinders and valve trains
and for the engine builder's convenience
2005-2020 Gen IV LS DOD/AFM Delete Tuning Camshaft For applications above 32005 2020 Gen IV LS DOD AFM Delete Tuning PML Parts tuning is designed specifically for GM Gen IV LS engines, this tune file permanently disables the factory DOD AFM system, preventing lifter failure, improving reliability, and delivering consistent power without unwanted cylinder deactivation. Loaded using HP Tuners MPVI, this tune file is optimized for engines with a mechanical DOD AFM delete, ensuring proper adjustments for seamless operation.