{"product_id":"shibata-dr-short-ball-bearing-upper-arm-black-r31s340bk","title":"Shibata Dr Short Ball bearing Upper Arm \/ Black R31S340BK","description":"Shibata Dr Short Ball bearing Upper Arm delivers 6mm of length reduction compared to standard designs, unlocking tighter rear A-arm configurations previously impossible to achieve. The compact profile maintains full ball bearing performance while opening new setup possibilities for drift-focused builds.\u003cbr\u003e\u003cbr\u003eVersatile mounting allows front or rear installation. For narrow rear setups, pair with PM Upper Arm Shaft 23.5mm (R31S117). If converting from turnbuckle-type arms, source D-cut PM Upper Arm Shaft options (R31S001, R31S012, R31S063) and M3×4mm set screws separately to complete the swap.\u003cbr\u003e\u003cbr\u003ePremium Shibata engineering in a purpose-built form factor for competitive drift geometry.","brand":"Shibata","offers":[{"title":"Default Title","offer_id":45831573176391,"sku":"R31S340BK","price":55.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/5569\/7735\/files\/R31S340BK.webp?v=1789840399","url":"https:\/\/slidelabsdrift.com\/products\/shibata-dr-short-ball-bearing-upper-arm-black-r31s340bk","provider":"SlideLabs","version":"1.0","type":"link"}