Fits:
2007-2013 R56 MINI Cooper S Hatchback
2008-2014 R55 MINI Cooper S CLUBMAN
2009-2014 R57 MINI Cooper S Convertible
2011-2014 R60 MINI Cooper S Countryman
2012-2014 R58 MINI Cooper S COUPE
2012-2014 R59 MINI Cooper S Roadster
Direct replacement - for use with factory retainers and seats.
Specifications:
Outer Spring OD: 23.30mm
Outer Spring ID: 16.80mm
Inner Spring OD: 18.80mm
Inner Spring ID: 12.30mm
Pressure Seat: [email protected]
Pressure Open: 163@10
Max Lift: 11.40mm
Coil Bind: 22.20mm
Rate: 9.80mm lbs/mm
Retainers: Use OEM retainers
From the manufacturer:
Valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms and better memory.
Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions.
Computer software also allows us to make sure that the harmonics arewell under control.
Fits:
2007-2013 R56 MINI Cooper S Hatchback
2008-2014 R55 MINI Cooper S CLUBMAN
2009-2014 R57 MINI Cooper S Convertible
2011-2014 R60 MINI Cooper S Countryman
2012-2014 R58 MINI Cooper S COUPE
2012-2014 R59 MINI Cooper S Roadster
Direct replacement - for use with factory retainers and seats.
Specifications:
Outer Spring OD: 23.30mm
Outer Spring ID: 16.80mm
Inner Spring OD: 18.80mm
Inner Spring ID: 12.30mm
Pressure Seat: [email protected]
Pressure Open: 163@10
Max Lift: 11.40mm
Coil Bind: 22.20mm
Rate: 9.80mm lbs/mm
Retainers: Use OEM retainers
From the manufacturer:
Valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms and better memory.
Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions.
Computer software also allows us to make sure that the harmonics arewell under control.
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