OEM's (1st gen) are 3" eye to eye....so to get another 1.5" of lift, you need another 3" of shackle length...or, 6".
The Calmini 1.5" Lift Shackle is 6" eye to eye.
The SLR 2" Lift Shackle is about 5" (Lifts 1", but is 2" longer than stock, etc...
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- TJ
2001 Xterra '03 VG33, SE 5 spd, 305/70/16's, Revolvers, UBSkidderz, Doubled AAL's, 3"SL/2"BL, winch/bumpers, skids, sliders, OBA, Snorkel, pine stripes....
Friends don't let friends drive stock.
http://www.gifsoup.com/view/501230/tj-tackling-crawlers-ridge-o.gif