{"product_id":"spl-bmw-toyota-adjustable-front-caster-rod-monoball-bushings-a90-supra-gr-g29-z4","title":"SPL Parts Adjustable Front Caster Rod Monoball Bushings for Toyota GR Supra A90 \u0026 BMW Z4 G29 | FKS Series FK 1in Spherical Bearings","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eAdjustable Front Tension Strut Spherical Bearing Kit for Toyota GR Supra A90 and BMW Z4 G29\u003c\/h2\u003e\n  \n  \u003cp\u003eDial in laser-sharp steering feel, rock-solid braking stability and repeatable alignment control with the SPL Parts FKS Series front tension arm rear bush conversion. This upgrade replaces the factory rubber isolators with motorsport-grade 1 inch FK PTFE-lined spherical bearings and precision offset spacers, giving you accurate caster tuning and a connected front end on road and track.\u003c\/p\u003e\n  \n  \u003cp\u003eIf you want crisp turn-in, improved on-centre confidence and consistent tyre contact under load, this is the proven solution. We have fitted this kit to multiple Supra A90 and Z4 G29 builds and customer feedback has been outstanding for steering precision, stability and tyre wear after a proper setup.\u003c\/p\u003e\n  \n  \u003ch3\u003eWhy this bearing conversion is a game changer\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplaces soft compliance bushes with articulating race-spec joints for zero play and direct feedback\u003c\/li\u003e\n    \u003cli\u003eOffset spacers provide approximately plus or minus 4 degrees of caster adjustment for fine tuning handling balance\u003c\/li\u003e\n    \u003cli\u003eHolds alignment during hard braking, rapid direction changes and kerb strikes\u003c\/li\u003e\n    \u003cli\u003eTransforms front end response for fast road, time attack and track day use\u003c\/li\u003e\n    \u003cli\u003eBuilt for durability with low-friction, self-lubricating liners for long service life\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eTechnical highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFK 1 inch PTFE-lined spherical bearings from the FKS Series\u003c\/li\u003e\n    \u003cli\u003e6061-T6 aluminium housings with knurled outers\u003c\/li\u003e\n    \u003cli\u003eCNC machined offset spacers for precise caster correction\u003c\/li\u003e\n    \u003cli\u003eSold as a pair\u003c\/li\u003e\n    \u003cli\u003eOEM control arms not included\u003c\/li\u003e\n    \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eToyota GR Supra A90 2020+\u003c\/li\u003e\n    \u003cli\u003eBMW Z4 G29 2019+\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eSPL CRB G29\u003c\/strong\u003e\u003c\/p\u003e\n  \n  \u003ch3\u003eInstallation and setup\u003c\/h3\u003e\n  \u003cp\u003eProfessional fitting is recommended. Always carry out a full four-wheel alignment after adjusting caster.\u003c\/p\u003e\n  \u003cp\u003eWant it installed by specialists We can fit and align your car at MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n  \n  \u003ch3\u003eWhat owners are saying\u003c\/h3\u003e\n  \u003cp\u003eAfter installing this kit on Supra A90 and Z4 G29 builds, customers report noticeably cleaner steering inputs, greater high-speed confidence and more even tyre wear once set up correctly.\u003c\/p\u003e\n  \n  \u003ch3\u003eAlso searched as\u003c\/h3\u003e\n  \u003cp\u003efront tension strut rear bush upgrade, control arm rear bearing kit, LCA rear bushing conversion, compliance bush delete Supra A90, caster correction kit Supra, BMW Z4 G29 tension arm bearing, front lower control arm rear joint, spherical bearing tension rod, steering feel upgrade Supra, track alignment hardware Z4, FK PTFE lined 1 inch bearing, motorsport suspension joints, fast road suspension Supra A90, Z4 G29 caster adjuster, precision caster spacers, aluminium bearing housings 6061-T6, performance front end upgrade Toyota Supra, BMW Z4 handling upgrade, front suspension articulation kit\u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"SPL","offers":[{"title":"Default Title","offer_id":56008693449090,"sku":null,"price":523.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/SPLBMWToyotaAdjustableFrontCasterRodMonoballBushings_A90SupraGR_G29Z4_2_1946x_83b0ac59-b287-41cb-b804-b0529e97cab3.jpg?v=1764090862","url":"https:\/\/mjmodifications.co.uk\/products\/spl-bmw-toyota-adjustable-front-caster-rod-monoball-bushings-a90-supra-gr-g29-z4","provider":"MJ Modifications","version":"1.0","type":"link"}