Reflex Racing RSD touring car spring sets
Coming from Reflex Racing and made for a range of touring cars including the Xray T4 are several shock spring sets. First up is the 20mm Progressive Spring set for the Xray T4. Progressive springs generate more traction than linear springs due to the dynamic of the compression of the spring. Early in the compression, when the spring needs to be soft to provide bite, they are softer and later in the roll, they stiffen up to provide more exit and on power traction and steering. The set comprises of three different rates of Yellow 13.0-14.0 lb/in, Gold 14.0-15.0 lb/in and Silver 15.0-16.0 lb/in.
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