Thunderstorm Blueprinted Calipers (GM D52, D154, Legend)
Racing Use Only, Not Legal for Road Use
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TBM Thunderstorm Calipers. Zero Drag Technology for Stock Calipers.
TBM’s Thunderstorm series of calipers was specifically developed for those classes requiring stock style calipers. Available in GM D52, GM D154 Metric and Legend car applications, all Thunderstorm calipers go through a lengthy process of disassembly, inspection, blueprinting and testing to provide the fastest, zero drag stock style calipers available. For more information on Thunderstorm calipers and optimizing a stock style brake system, click here.