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Way Motor Works :: Performance :: Supertech Piston Set N14 Engine

Supertech Piston Set N14 Engine

Supertech Piston Set N14 Engine  
Supertech Piston Set for R55 R56 R57 R58 R59 MINI Cooper S with N14 Engine. Supertech Pistons are manufactured from extruded high silicone, enhanced 4032 alloy (with additional Cu, Ni & Mg) that had low thermal expansion, excellent wear resistance and higher thermal conductivity. Supertech Pistons, with this alloy, have withstood up to 42psi of boost, with alcohol, without any problems.

A two or three step forging process yields a fine structural grain which are then submitted to several machining steps in state of the art CNC machines.

Several heat treatments provide the piston with high tensile strength and evenly distributed hardness.

Contact reduction grooves are standard, and pin bores are honed and reamed for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength and used with wire clip locks.

Finally, the pistons receive a 'phosphate dry lubricant' coating to protect the rings against 'micro-welding' and enhance lubrication on the skirt/cylinder area.

Compression ratios are computed with .030" head gasket and .010" deck unless indicated in each case.

Also in oversized pistons for machined blocks. Select option below for correct size and correct compression ratio.

Comes as a complete set of 4 Supertech pistons with pins and locks. Enough for one MINI Engine.

  25%

 
Fits 2007-2010 Cooper S R56
Fits 2008-2010 Clubman S R55
Fits 2009-2011 Cabrio S R57
Fits 2009-2014 JCW Hardtop R56
Fits 2009+ JCW Cabrio R57
Fits 2009-2014 JCW Clubman R55
 
Details
 
SKU SupertechPistonsN141
Shipping Cost $20.00
Price: $516.00

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