Yep,
UD Harold design for the .903 lifter
Asymmetrical lobes.
Faster opening , slower Closing
Then Comp XE line.
That Are on a Chevy lobe.
The Voodoo line is Quieter too.
Yea the XE line is for sure, but the Nostalgia line from Comp uses Mopar lobes. I still wouldn't use Comp to stir up an outhouse tank right now though.