hey guys, i know...first post is a question

. stay with me though, i'm not a troll
i'm wanting to get some 20's on my ride, and want to know what you think about these wheels. i'm looking for black wheels, but don't really want the all to common rockstars ya know.
i came across these ICCE OTR 008's, i've never changed from stock wheels before on any vehicle, and am unaware of the backspacing/offset requirements. so any information will be appreciated
20x9
Offset -25
CB 117.1
p.s. planning on running 33's
thanks in advance!
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2003 1TON 4X4 LARAMIE 6-MANUAL HO
LEVELED, EDGE, 5" MAGNAFLOW, 35x12.50 Grapplers