tried searching for this info with no luck. are federal mogal ht-2148 stock replacement lifters made for lsx engines? i was told they are by one motor shop then another told me no, go with seal power ht-2281.... are these the same lifter? the 2148 i have look slightly different then the stock ones out of my motor (which are ruined) but measure same height from roller to where pushrod sits. just trying to figure out if i can go ahead and use these 2148 i have bought tonight.

 

I assume that they are a hydraulic lifter correct? Get the GM OEM replacements if you are unsure. Lots of people around here use them, or the Comp OEM style.