{"product_id":"spl-rear-upper-arm-links-bmw-e8-e9-spl-rua-e9x","title":"SPL Parts Titanium Series Rear Upper Arms BMW E8X \/ E9X - SPL RUA E9X","description":"\u003cp data-start=\"118\" data-end=\"530\"\u003eThe \u003cstrong data-start=\"122\" data-end=\"181\"\u003eSPL Parts Titanium Series Rear Upper Arms (SPL RUA E9X)\u003c\/strong\u003e are engineered to replace the weak, flex-prone factory rear upper arms found on BMW E8X and E9X chassis. OEM non-M arms are constructed from thin, spot-welded sheet metal that can flex or bend under moderate loads—especially when paired with sticky tires, increased torque, or track use—leading to inconsistent handling and unstable rear alignment.\u003c\/p\u003e\n\u003cp data-start=\"532\" data-end=\"963\"\u003eSPL’s solution includes both the rear guide (traction) arms and rear camber (wishbone) arms, built from gun-drilled 2024 aluminum and paired with SPL’s signature 360-degree rotating clamp system. This design allows fast, precise, jam-nut-free on-car adjustment while eliminating bushing deflection entirely. The result is a rear suspension that stays planted and predictable under hard cornering, braking, and acceleration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"991\" data-end=\"1013\"\u003e\n\u003cstrong data-start=\"991\" data-end=\"1001\"\u003eBrand:\u003c\/strong\u003e SPL Parts\u003c\/li\u003e\n\u003cli data-start=\"1016\" data-end=\"1046\"\u003e\n\u003cstrong data-start=\"1016\" data-end=\"1032\"\u003ePart Number:\u003c\/strong\u003e SPL RUA E9X\u003c\/li\u003e\n\u003cli data-start=\"1049\" data-end=\"1119\"\u003e\n\u003cstrong data-start=\"1049\" data-end=\"1068\"\u003eComponent Type:\u003c\/strong\u003e Adjustable rear upper arms (guide + camber arms)\u003c\/li\u003e\n\u003cli data-start=\"1122\" data-end=\"1155\"\u003e\n\u003cstrong data-start=\"1122\" data-end=\"1133\"\u003eSeries:\u003c\/strong\u003e SPL Titanium Series\u003c\/li\u003e\n\u003cli data-start=\"1158\" data-end=\"1220\"\u003e\n\u003cstrong data-start=\"1158\" data-end=\"1173\"\u003eAdjustment:\u003c\/strong\u003e Rear camber and rear guide\/traction geometry\u003c\/li\u003e\n\u003cli data-start=\"1223\" data-end=\"1242\"\u003e\u003cstrong data-start=\"1223\" data-end=\"1240\"\u003eConstruction:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1247\" data-end=\"1297\"\u003eGun-drilled 2024 aluminum links (black anodized)\u003c\/li\u003e\n\u003cli data-start=\"1302\" data-end=\"1341\"\u003e6061-T6 aluminum 360° rotating clamps\u003c\/li\u003e\n\u003cli data-start=\"1346\" data-end=\"1393\"\u003eBlue anodized titanium socket head cap screws\u003c\/li\u003e\n\u003cli data-start=\"1398\" data-end=\"1445\"\u003eTapered stainless steel knuckle mount spacers\u003c\/li\u003e\n\u003cli data-start=\"1448\" data-end=\"1514\"\u003e\n\u003cstrong data-start=\"1448\" data-end=\"1461\"\u003eRod Ends:\u003c\/strong\u003e 3-piece FK PTFE-lined spherical bearings (US made)\u003c\/li\u003e\n\u003cli data-start=\"1517\" data-end=\"1557\"\u003e\n\u003cstrong data-start=\"1517\" data-end=\"1540\"\u003eBearing Temp Range:\u003c\/strong\u003e -65°F to 325°F\u003c\/li\u003e\n\u003cli data-start=\"1560\" data-end=\"1618\"\u003e\n\u003cstrong data-start=\"1560\" data-end=\"1573\"\u003eFunction:\u003c\/strong\u003e Eliminates bushing deflection and arm flex\u003c\/li\u003e\n\u003cli data-start=\"1621\" data-end=\"1710\"\u003e\n\u003cstrong data-start=\"1621\" data-end=\"1633\"\u003eSold As:\u003c\/strong\u003e Complete kit – 4 arms (pair of rear guide arms + pair of rear camber arms)\u003c\/li\u003e\n\u003cli data-start=\"1713\" data-end=\"1771\"\u003e\n\u003cstrong data-start=\"1713\" data-end=\"1726\"\u003eUse Case:\u003c\/strong\u003e Performance street, track days, and racing\u003c\/li\u003e\n\u003cli data-start=\"1774\" data-end=\"1810\"\u003e\n\u003cstrong data-start=\"1774\" data-end=\"1792\"\u003eManufacturing:\u003c\/strong\u003e Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-start=\"1817\" data-end=\"1828\"\u003eFitment\u003c\/h3\u003e\n\u003cul data-start=\"1829\" data-end=\"1955\"\u003e\n\u003cli data-start=\"1829\" data-end=\"1888\"\u003e\n\u003cp data-start=\"1831\" data-end=\"1867\"\u003e\u003cstrong data-start=\"1831\" data-end=\"1851\"\u003eBMW E8X 1 Series\u003c\/strong\u003e (M and non-M)\u003c\/p\u003e\n\u003cul data-start=\"1870\" data-end=\"1888\"\u003e\n\u003cli data-start=\"1870\" data-end=\"1888\"\u003e\n\u003cp data-start=\"1872\" data-end=\"1888\"\u003e128i, 135i, 1M\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1890\" data-end=\"1955\"\u003e\n\u003cp data-start=\"1892\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1892\" data-end=\"1912\"\u003eBMW E9X 3 Series\u003c\/strong\u003e (M and non-M)\u003c\/p\u003e\n\u003cul data-start=\"1931\" data-end=\"1955\"\u003e\n\u003cli data-start=\"1931\" data-end=\"1955\"\u003e\n\u003cp data-start=\"1933\" data-end=\"1955\"\u003e328i, 335i, 335d, M3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPL Parts","offers":[{"title":"Default Title","offer_id":43201084653736,"sku":"SPPSPL RUA E9X","price":809.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/spl-rua-e9x-titanium-series-rear-upper-arms-bmw-e8x-e9x.jpg?v=1768159150","url":"https:\/\/eliteracefab.com\/products\/spl-rear-upper-arm-links-bmw-e8-e9-spl-rua-e9x","provider":"eliteracefab.com","version":"1.0","type":"link"}