Profill Tire Insert System - Rear - 9x9, 9x8 - Soft Compound

An all-new tire insert system designed to improve overall vehicle performance with the security of a run-flat systemTested and proven on track in the GNCC seriesEngineered design for vibration free, faster cornering and stabilityEasier to install, easier to maintainSuper lightweight at only 1.1 pounds per wheelProprietary materials designed to achieve ultimate performanceTunable for maximum performance with soft and hard compoundsAdjustable by air pressure, filled through standard wheel valve stemDesigned for all 10in. front tires and 9in. rear tire applicationsEach box contains 28 pcs. to make 1 system per tire/wheelHard compound: Trail and less intense ridingAlternate soft/hard per wheel for medium if both sets purchased