That's what I planned to do. I wasn't sure if the compression height of the Magnum pistons was the same as the LA pistons. If the difference is minimal or not worth it, ill just run the LA stuff

1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser

1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)