Set of 3 red upgraded springs for the 40 series driver. Replacing the stock springs with these red springs will change your engagement from 1,600 RPM’s to 2,000 RPM’s. If you pair these with the medium rollers (KD2036019A) your clutch engagement will be stalled to 2,600 RPM’s.
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Red Upgraded Spring For 40 Series Driver
Original price was: $19.97.$13.98Current price is: $13.98.
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