Did you see my thread? I have pics there, but the tube is hidden by the shock sock. But the spacer is visible. The whit spring backs it stiffer, and the tube acts like a big spacer that is much longer than the small spring you take away, so you increase ride height.
R.I.P. Muggy, Rustler, VXL Slash
EFlite Blade MSR Heli (Slightly modded)
1/16 BL E-revo
8-t 2.0, OS Vspec with Speed conrod
Carbon Fiber Revo 3.3 Coversion Madness!