Toda Racing F20C/F22C/K20A Up Rate Valve Spring
The need for increased performance has lead TODA RACING to design a single progressive coil spring to replace the STD double valve springs. As well as allowing valve lifts of up to 13.0mm, the material and the coil springs natural frequency have all been optimized.
Can be used up to 13.5mm of lift
Can be used up to 13.5mm of lift
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