Richard has a new FJC Slider version about to be released that from a pure function standpoint offers the best 4WD protection for use on the most difficult trails out there. This design has proven itself very successful over the years on Taco's, 4Runners, Land Cruisers, etc. I really like the fact that if I was sliding along side a large boulder that the rock would almost be guaranteed to hit my rear tire with the new Rubicon slider. The Ultimate SKO and 95% of the other sliders on the market today may possibly hit the inside edge of the rear quarter panel simply because of their design. The percentage chance that I would be in that situation is very slim, but it is a possibility. I really like the fact that the rear kick out is angled back forcing the rock to the tire instead of the body, very nice! Compare the Rubicon design to say the Bent-up or Trail-Gear sliders which look great, but out on the trail may guide the rock right into the body for some major carnage!
Stubbs Welding FJ Slider web page:
FJ Sliders
I ordered ($389.00 + shipping) his original FJ slider design which was modeled after his "Ultimate SKO" version. The ONLY reason I didn't choose his new "Rubicon" slider was because I have an 8 year old daughter and 5 year old son who would probably end up with bruised shins due to the square bar angle involved getting in and out of the back seat.
The Ulitmate SKO is the round kickout and Rubicon is the square kickout version. Yes there are four connection points to be bolted to the FJ frame on the Ultimate SKO sliders (right side in pic), the one pictured I believe is for a Taco. It's what Richard had available for a comparision shot...
What version do you like best?
I plan on posting the complete installation (from paint to fit & in action) of my new Stubbs Ultimate SKO FJC sliders in a week or so...

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TLCA South Sound Cruisers
2007 BC, 4x4 AT,Rear Locker, A-Trac, Terra Grapplers, BudBuilt Skids, Stubbs Sliders,
OME Med/Med, ARB Bull Bar, IPF Fog lights, ICom IC-208H 2M/440
TLCA# 16640