{"product_id":"gktech-traction-mod-verstellbare-ha-lenker-gt-gr-86-brz-i-ii","title":"GKTech| Traction Mod + Adjustable Rear Control Arms | GT\/GR 86 \u0026 BRZ I \u0026 II","description":"\u003cp\u003e\u003cspan\u003eThe GKTECH Traction Mod Kit combines adjustable rear arms with brackets to relocate their pivot points. This allows for precise tuning of the rear suspension geometry: the kit reduces anti-squat and changes the toe curve during compression and rebound to improve traction under acceleration. The result depends on proper adjustment and your overall suspension setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\u003cspan\u003eLength-adjustable arms made from chromoly steel tubing, 28 mm outer diameter and 3 mm wall thickness\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003ePTFE-lined rod ends instead of compliant rubber bushings\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eRelocation brackets with double-shear mounting\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eTIG-welded, CAD-designed, and FEM-analyzed\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eFits Toyota GT86 ZN6, GR86 ZN8 as well as Subaru BRZ ZC6 and ZD8\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003ePart number: GT86-TRTN\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInstallation and Initial Setup\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\n\u003cli\u003e\u003cspan\u003eRemove the factory traction arm and the rear subframe bolt marked in the instructions.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eInstall the GKTECH arm, bracket, and spacers according to the exploded view. The factory bracket is retained; the larger spacer goes on top.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eAlign the arm so that its bend faces away from the subframe, downwards and away from the wheel.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eInstall all bolts hand-tight, then tighten according to the torque specification diagram.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eAfter tightening the adjustment, check the rod end alignment: the rod end must be perpendicular to the spacers.\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eWith the suspension fully compressed, check for clearance between the arm and the bracket. If necessary, trim the bracket to create space.\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBaseline Measurements\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDimensions \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eA and B refer to the drawing in the instructions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, not the total length of the arm.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e\u003cspan\u003eRide Height\u003c\/span\u003e\u003c\/th\u003e\n\n\u003cth\u003e\u003cspan\u003eDimension A\u003c\/span\u003e\u003c\/th\u003e\n\n\u003cth\u003e\u003cspan\u003eDimension B\u003c\/span\u003e\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cspan\u003eStock height\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003cspan\u003e74 mm\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003cspan\u003e47 mm\u003c\/span\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cspan\u003e25 mm lower\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003cspan\u003e84 mm\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003cspan\u003e51 mm\u003c\/span\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cspan\u003e50 mm lower\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003cspan\u003e94 mm\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003cspan\u003e56 mm\u003c\/span\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eStock height is approximately 370 mm from the wheel center to the top of the wheel arch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor increased toe-in gain during compression, the arm may be shortened by a maximum of 10 mm in 5 mm increments from the baseline setting. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWe do not recommend lengthening the arm, as this can lead to unstable toe-out behavior.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0725\/8665\/8131\/files\/Traction_Mod_verstellbare_HA_Lenker_Tech._Zeichnung.pdf?v=1791385392\" target=\"_blank\" title=\"Installation Instructions\" rel=\"noopener\"\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, have the wheel alignment professionally measured and adjusted.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Videos:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/MeJrWD43Grw?si=ZCYxPYz5lgh9bsWX\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/hla0BhEbP1Q?si=XEOTSogqrcJy1R5J\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Gktech","offers":[{"title":"Default Title","offer_id":55244016943443,"sku":"GT86-TRTN","price":390.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/8665\/8131\/files\/TractionMod_verstellbareHALenker1.webp?v=1791378208","url":"https:\/\/greenfuchs.de\/en\/products\/gktech-traction-mod-verstellbare-ha-lenker-gt-gr-86-brz-i-ii","provider":"GreenFuchs","version":"1.0","type":"link"}