Another chip ID?

[Dream Car 87 GN]

Just purchased a 87 GN and was told it had a performance chip installed but the guy i got it from wasnt the one that installed it,top of the chip has a orange oval sticker on it that says R93 in the middle
down one side of the sticker the #'s are
6
H
1
and down the other side
42
LB
6

hopefully someone can help ID it
Thanks

 

[Topjimmy]

Red Armstrong chip
93 octane
42 lb. injectors

I have this street chip for 36 lb. injectors, fuel pressure should be 45 lbs, line off at idle.

HTH - Jimmy