The T4 has shorty shocks, so normal length springs like the TC3 spring kit will not fit or work on the shocks. I personally just run the xray springs. You really don't need a huge assortment. Look on ebay for a used set to get them on the cheap- xray parts are expensive.
Associated B5M Reedy 7.5 | Xray T4 ORCA 17.5
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