2005-2020 Gen IV LS DOD/AFM Delete Tuning Camshaft Expansion-controlled designs ensure small fitting

Expansion-controlled designs ensure small fitting clearances

You receive every part you need to complete your gasket repair in one package (unless otherwise stated)

For applications above 3

135 wall 4130 chromoly construction

cylinders and valve trains

2005-2020 Gen IV LS DOD/AFM Delete Tuning Camshaft Expansion-controlled designs ensure small fitting2005 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.