The specification signifies the proper dimensions for tires that may match a particular automobile mannequin and 12 months. On this case, it refers back to the measurements and specs of tires designed for a 2012 Toyota Highlander. This consists of the tire’s width, side ratio, wheel diameter, load index, and velocity score. An instance is likely to be 245/65R17, the place ‘245’ is the width in millimeters, ’65’ is the side ratio, ‘R’ signifies radial building, and ’17’ is the wheel diameter in inches.
Adhering to the really helpful tire specification is essential for sustaining the automobile’s efficiency, security, and dealing with traits. Appropriate tires guarantee correct speedometer calibration, forestall rubbing in opposition to the automobile’s body or suspension elements, and contribute to optimum braking and gas effectivity. Traditionally, producers have exactly engineered tire specs to enhance a automobile’s suspension geometry and weight distribution. Utilizing the wrong specification can negatively impression these features.