Coil spacers are an easy cheap way to lift a 4x4,but two things to consider are that you must change the shocks as the OEM shocks will be to short and the other thing is that you should lower the bump stop's as you could damage the coils when they get fully compressed.The problem with spacers is that you dont get better wheel travel
1996 SWB GQ Patrol TD42 Turbo intercooled (150kw/600Nm) (Destroyed in Outback 2008)
2000 GU with TD42 out of GQ (sold)
Hadrbody/Patrol, LS6 Chev V8 (420 HP), Hummer auto box on 36' Iroc Tyres