Re:Are heavy duty rear springs available or are......

I spent a lot of time trying to find a solution to this and the short answer is no. In the end I have bought new supaflex springs from Ebay and for road driving they are fine. I also have a separate set of custom springs that I only use on track that are massively hardso it corners virtually flat at quite silly speeds, they also lower it significantly while simultaneously making it undriveable on road.

On S200KYS and the buggy build I have fitted front springs on the rear... they are 1.5" longer than the rears and wound for the extra weight of the engine, so give some lift and are heavy duty;er,,,

S200KYS has +4" JB diesel front springs all round t(with springs spacers on the front) o give 5" of lift (less the weight of the notoriously phat Jimny!)

The buggy build has 4 new Supaflex front springs, the 2 in the rear give 1.5" of lift and the ones in the front are coupled with 1.5" spring spacers to give the lift, but new refreshed springs, and at that height castor correction is not required...

At horntools.com there are certified Treckfinder Heavy Duty Springs that would allow to upgrade the Jimny to 1650kg and the rear axle to 900kg. The intention is for winter vehicles to mount e.g., a salt spreader or a snow plough.

Nice find. Thanks. I’ll have a look later.


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That 20mm kit looks very interesting. Well spotted.

I had tired standard springs when I got my car and replaced them with KYB standard height springs and there was a massive improvement......

I still wasn't happy, couldn't put my finger on a problem but knew that there was better to be had....

Eibach have a big reputation for quality and they offered a set of springs at +30mm, I fitted them and have been very pleased.

Combined with AVO dampers and a mixture of Superpro, Polybush and standard rubber bushes. I've got what I was looking for, like a go-cart on tarmac and still capable off road.

I would suggest going to Trailmaster +2" springs for a constantly heavy load (go for the full kit??), a quality manufacturer and a well reviewed set up, that should solve your issue.

sniper