Original post by Eric Keller of Trail4runner OVERVIEW, INSTALL & IMPRESSIONS If you’ve been around Trail4Runner for a while, you’ve probably seen Brenan’s intro article of the SumoSprings by SuperSprings International. In that article, he showed you their awesome new rear bump stops and coil spacers. Fast forward a few months, and now SuperSprings has released a bump stop for the front of our Toyotas to …