{"product_id":"reverse-knuckle-spl2-5-s14-s15","title":"REVERSE Knuckle SPL2.5 (S14 \/ S15)","description":"\u003cp\u003eThe SPL2.5 is the latest REVERSE knuckle and the successor to the GEN2.0 released in 2023. Developed and tested in D1GP, D1 Lights and regional competition, it delivers a large increase in steering angle over the BASIC model while keeping the REVERSE concept: get the car turned in and get back on the throttle immediately.\u003c\/p\u003e\u003cp\u003eTurn-in is sharp and the car rolls freely through the corner, countering the push-understeer that is common now that high-grip rear tires and extended lower arms are the norm. The steering rack stays in the factory position — no rack relocation or spacers are required.\u003c\/p\u003e\u003ch3\u003eRecommended setup\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e+35mm extended front lower arms\u003c\/li\u003e\n\u003cli\u003e155mm tie rod ends\u003c\/li\u003e\n\u003cli\u003eAdjustable tension rods (GKTECH or ORIGIN Labo.)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is not a bolt-on replacement like the BASIC model; it is designed around the setup above.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eNissan S14 \/ S15 Silvia (also C34 \/ C35). S13 requires an S14\/S15 5-lug front conversion.\u003c\/p\u003e\u003ch3\u003eIncludes\u003c\/h3\u003e\u003cp\u003eLeft \u0026amp; right knuckles (green), stickers, instructions with recommended alignment settings. No factory core exchange required.\u003c\/p\u003e\u003ch3\u003ePart number\u003c\/h3\u003e\u003cp\u003eRKB-SPL2.5\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFor off-road \/ competition use only.\u003c\/b\u003e Not intended for use on public roads.\u003c\/p\u003e\u003cp class=\"kz-mto-note\"\u003e\u003cb\u003eMade to order.\u003c\/b\u003e Each knuckle is built by hand after your order is placed, so lead time can vary when demand is high. Orders cannot be cancelled or returned once placed.\u003c\/p\u003e\u003cp class=\"kz-ship-note\"\u003e\u003cb\u003eShips from Japan.\u003c\/b\u003e Price includes U.S. import duties — no surprise charges at delivery. DHL Express shipping and sales tax (where applicable) are calculated at checkout. Typical delivery is about 2 weeks.\u003c\/p\u003e","brand":"REVERSE","offers":[{"title":"Default Title","offer_id":51967004115190,"sku":"RKB-SPL2.5","price":544.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/2939\/5958\/files\/2.5-1_88b325c3-1288-40c7-9850-1ae80f1b8239.jpg?v=1792369053","url":"https:\/\/kazuyataguchi.com\/products\/reverse-knuckle-spl2-5-s14-s15","provider":"Kazuya Taguchi - Official Site","version":"1.0","type":"link"}