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Tire Terminology:

A B C D E F G H I K L M N O P R S T U V W Z

   
Kelnet Firestone's tire design that minimizes stress in tire performance.
Kilopascals (kPa) Unit of air pressure; in metric terms it takes 6.89 kPa to equal 1 p.s.i.
  L
Lateral Runout Wobble or the side-to-side motion of a rotating wheel or tire/wheel assembly.
Lateral Weight Transfer A load factor in cornering where weight is transferred from the inside tires to the outside tires.
Lead A slight pull to one side.
Leaf Springs A series of steel leaves used on suspension systems that are bolted together in the middle. Under compression, they flatten and expand in length, then rebound to their original arched shape.
Lift Points Those contact point on the chassis of a vehicle used to hoist the vehicle for servicing; to prevent serious problems and permanent damage, owners' manuals should always be checked for proper lift point locations.
Linearity The ability of a vehicle to respond linearly to the driver's steering input at low cornering levels.
Load Index A numerical code which specifies the maximum load a tire can carry at the speed indicated by its speed symbol, at maximum inflation pressure.
Load Range Replaces the former ply rating term and identifies load and inflation limits.
Load Rating The weight that a wheel is designed to support in normal service.
Load-Carrying Capacity The load a particular size tire can carry at a given inflation pressure under certain driving conditions, as established by the Tire and Rim Association.
Loading The amount of weight put on tires. Increased load can increase cornering force.
Lower Sidewall The part of the sidewall nearest the bead.
LT-Metric A sizing system using the section width in millimeters, aspect ratio, type of construction, and rim diameters in inches (e.g.: LT235/85R16).
LTP-Metric A new (1992) light truck personal use sizing systems using the section width in millimeters, aspect ratio, type of construction, and rim diameters in inches (e.g.: LTP235/75R15).
Lug Centric The centering of a wheel by matching it up with the lug nuts, rather than by the center bore hole of the wheel; hub centric is the more accurate centering method.
 

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