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Mini Cooper Supertech Valve Springs

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Supertech Spring / Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech Spring / Retainer kits are second to none in terms of performance, quality and value.


Coil Bind: 22.2mm
Inner Spring (OD/ID): 18.8mm / 12.3mm
Max Net Lift: 11.4mm
Outer Spring (OD/ID): 23.3mm / 16.8mm
Pressure (Open): 163lbs@10mm
Pressure (Seat): 65lbs@33.6mm
Rate: 9.8lbs/mm


Product Added: October 09, 2017
Part Number: dfdd01011
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