Top Racing center compression spring +47% red

• high quality product of Spanish brand Top Racing
• medium spring
• the degree of the spring's hardness indirectly influences the engine's RPM
• we recommend the purchase of springs of different hardness in order to choose the right one for you

Note that a harder spring will transmit more torque and power without belt slippage. A harder spring will also increase engine speed. A softer spring will transmit less torque and power, with high engine power the belt may simply slip. It is necessary to correctly select the hardness of the spring according to the power of the engine in order to use all the power of the engine.