{"product_id":"powerflex-bmw-toyota-black-series-front-radius-arm-to-chassis-bush-caster-adj-g29-z4-a90-supra","title":"Powerflex Black Series PFF5-5401GBLK Front Lower Control\/Radius Arm Rear Bushes, Caster Adjustable Polyurethane (Tension\/Thrust Strut) for BMW Z4 G29 2018+ \u0026 Toyota GR Supra A90 J29 Mk5 2019+","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eCaster-adjustable front arm rear bush kit for BMW Z4 G29 and Toyota GR Supra A90 J29\u003c\/h2\u003e\n  \n  \u003cp\u003e\n    Transform steering precision and front-end stability with this motorsport-grade polyurethane upgrade. Engineered by Powerflex for serious performance use, part number \u003cstrong\u003ePFF5-5401GBLK\u003c\/strong\u003e replaces the soft factory rubber on the front lower arm rear mounting point, delivering crisp response, confidence under hard braking and geometry consistency mile after mile.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose PFF5-5401GBLK\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e95A Black Series polyurethane with outer shells for exceptional rigidity and control\u003c\/li\u003e\n    \u003cli\u003eApproximately 300% stiffer than OE rubber for tighter front axle compliance\u003c\/li\u003e\n    \u003cli\u003eBuilt-in caster adjustment of around +\/- 0.75 degrees for pull correction and alignment tuning\u003c\/li\u003e\n    \u003cli\u003eSignificantly limits fore and aft wheel movement during braking and corner entry\u003c\/li\u003e\n    \u003cli\u003eSharper on-centre feel, quicker turn-in and enhanced stability under load\u003c\/li\u003e\n    \u003cli\u003eOil and weather resistant for long-term durability and more even tyre wear\u003c\/li\u003e\n    \u003cli\u003eIdeal for fast road, track day and performance-focused setups\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    We have installed these bushes on our own builds and customer cars, with feedback highlighting more direct steering, improved braking stability and repeatable handling on circuit and on B-roads.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat you receive\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2 x bushes with outer shells\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Quantity required per vehicle: 2. One kit covers the front axle.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eVehicle applications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW Z4 G29 2018 onwards\u003c\/li\u003e\n    \u003cli\u003eToyota GR Supra A90 J29 2019 onwards\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eOEM cross-reference\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW: 31106878587, 31106878588\u003c\/li\u003e\n    \u003cli\u003eToyota: 48640-WAA02, 48620-WAA02\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitting and alignment\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n    \u003cli\u003eTorque all fasteners at normal ride height\u003c\/li\u003e\n    \u003cli\u003eFull geometry check advised after installation to make the most of the caster adjustment\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Want it fitted for you. Book with MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFitment check before dispatch\u003c\/h3\u003e\n  \u003cp\u003e\n    We will confirm compatibility before shipping. Provide your UK registration or the last 7 of your VIN at checkout so we can verify the correct part.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eGenuine Powerflex Black Series\u003c\/h3\u003e\n  \u003cp\u003e\n    \u003cstrong\u003ePFF5-5401GBLK\u003c\/strong\u003e is an authentic Black Series component created for maximum chassis control. The higher shore hardness material reduces unwanted compliance, helping you extract the most from quality tyres, dampers and alignment settings.\n  \u003c\/p\u003e\n\n  \u003cdiv class=\"product-images\" style=\"margin-top: 1rem;\"\u003e\n    \u003cimg alt=\"PFF5-5401GBLK caster-adjustable front arm rear bush kit for BMW Z4 G29\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1272\/9301\/files\/PowerflexBMWToyotaBlackSeriesFrontRadiusArmToChassisBushCasterAdj_G29Z4_A90Supra_-2_2048x2048.webp?v=1668673735\"\u003e\n    \u003cimg alt=\"PFF5-5401GBLK polyurethane thrust arm bushing for Toyota GR Supra A90 J29\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1272\/9301\/files\/PowerflexBMWToyotaBlackSeriesFrontRadiusArmToChassisBushCasterAdj_G29Z4_A90Supra_-3_2048x2048.webp?v=1668673740\"\u003e\n    \u003cimg alt=\"Powerflex Black Series front lower arm rear mount bush kit PFF5-5401GBLK\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1272\/9301\/files\/PowerflexBMWToyotaBlackSeriesFrontRadiusArmToChassisBushCasterAdj_G29Z4_A90Supra_-4_2048x2048.webp?v=1668673745\"\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eSearch terms to help you find the right part\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW Z4 G29 wishbone rear bush, G29 lower arm rear mount bush kit, BMW front thrust arm bushing, compression strut rear bush, front arm rear mounting polyurethane, caster correction bushings, alignment caster adjust kit, front axle poly bush upgrade, Supra A90 thrust arm rear mount, GR Supra front control arm rear bush, Toyota J29 lower control arm rear bushing, performance suspension bushes, Powerflex PFF5-5401GBLK, 95A poly bush kit, handling upgrade for Supra A90 and Z4 G29.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Powerflex","offers":[{"title":"Default Title","offer_id":56005761237378,"sku":null,"price":201.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/PowerflexBMWToyotaBlackSeriesFrontRadiusArmToChassisBushCasterAdj_G29Z4_A90Supra_-1_1946x_3dcb5eba-d4eb-467f-8930-2cf147ca5bc6.jpg?v=1764022181","url":"https:\/\/mjmodifications.co.uk\/products\/powerflex-bmw-toyota-black-series-front-radius-arm-to-chassis-bush-caster-adj-g29-z4-a90-supra","provider":"MJ Modifications","version":"1.0","type":"link"}