GKTECH S13 Silvia/180sx BOLT IN POWER BRACE (Order in)NOTE: This item is specially ordered from GKTECH Australia and usually takes around 3 4 weeks to arrive. Listing is for: 1x S13 180sx Power brace The GKTECH S chassis bolt in gusseted power brace has been designed to help to reinforce your K frame where it needs it. Laser cut and 2mm thick steel for strength this brace makes reinforcement of the K frame easier than attempting to do it yourself. Combine with our K frame plates (sold separately) for the