Ultra Racing Proton Wira 1.3/1.5 2WD 93-09 UltraRacing 2-Point Rear Torsion Bar (230-B) UR-SD8-230P(B) Rear Upper The chassis of the car

The chassis of the car is the part which experiences the most of the abuse from the driver

causing enormous chassis flex/ vehicle body deformity and twist

Deformity and twisting of the vehicle chassis during cornering may cause negative handling traits such as understeering and oversteering

consequently causing tires to lose grip

hard braking or hard acceleration

Ultra Racing Proton Wira 1.3/1.5 2WD 93-09 UltraRacing 2-Point Rear Torsion Bar (230-B) UR-SD8-230P(B) Rear Upper The chassis of the carThe chassis of the car is the part which experiences the most of the abuse from the driver. It is particularly due to the weight transfer of the vehicle body during fast cornering, hard braking or hard acceleration. In some instances, the weight transfer during cornering may cause one side of the vehicle to experience as much as 3 times more force than the other side of the vehicle, causing enormous chassis flex vehicle body deformity and twist,