Installed OME 850J front springs in a Lexus LX-450.
Note: front drive shaft is removed, rear tyres are chocked front and rear, Grateful Dead is playing, cold Guinness is in hand, gloves and eye protection on;
Step 1: detach steering linkage from steering box control arm side;
Step 2: remove front sway bar completely;
Step 3: slacken bolts (on rear) of front control arms;
Step 4: check temperature of Guinness;
Step 5: slacken front lug nuts;
Step 6: raise vehicle with floor jack under pumpkin. Support frame both sides aft of control arms with 3 ton jack stands;;
Step 7: support pumpkin with floor jack to relieve stress on panhard bolts;
Step 8: remove front panhard bolts and bar;
Step 9: remove front tyres;
Step 10: remove fasteners for bottom of shocks, both sides;
Step 11: remove fasteners for spring bump stops, both sides;
Step 12: remove bolts for front brake line supports, starboard side (Yankee vehicles);
Step 13: lower floor jack until mushy stock springs are floating;
Step 14: pull out mushy stock springs with bump stops;
Step 15; check temperature of Guinness;
Step 16: safely compress OME 850J springs;
Step 17: insert bump stops into new springs;
Step 18: position new springs onto bottom seat with end in position on seat;
Step 19: check temperature of Guinness;
Step 20: raise floor jack, compressing new springs, until fasteners for bottom of shocks can be engaged;
Step 21: install fasteners for spring bump stops;
Step 22: remove spring compression devices;
Step 23: install bottom shock fasteners;
Step 24: check temperature of Guinness;
Step 25: raise floor jack to align panhard bar bolts;
Step 26: install panhard bar bolts, leave bolts slack;
Step 27: check temperature of Guinness;
Step 28: reinstall brake line support fasteners;
Step 29: reinstall front tyres;
Step 30: raise vehicle with floor jack under pumpkin, remove jack stands;
Step 31: lower vehicle weight onto tyres;
Step 32: check temperature of Guinness;
Step 33: reinstall front sway bar;
Step 34: reinstall steering linkage at steering box control arm and torque, pin;
Step 35: tighten and torque rear bolts of front control arms with full vehicle weight;
Step 36: tighten and torque front panhard bolts with full vehicle weight;
Step 37: check temperature of Guinness;
Step 38: queue up Kenny Loggins "Highway to the Danger Zone";
Step 39: plan caster correction plate kit installation;
Step 40: plan steering damper kit installation;
Step 41: plan adjustable panhard bar installation.