Forged Piston (Set of 4) - 77.5mm (+0.50mm) P4-MIN56-N14-77.5-CR10.5

Performance pistons in +0.50mm stock size
Mfg Part #
P4-MIN56-N14-77.
ECS Part #
ES#3477981
Brand
Supertech
515.67
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Availability: In Stock
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Product Details

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 is 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 a 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.

Rings are sold separately. 

This Part Fits the Following Vehicles

Make Model Submodel Engine Year Chasis
MINI All S All 2007 R56
MINI All S All 2008 R56
MINI All S All 2009 R56
MINI All S All 2009 R57
MINI All S All 2010 R56
MINI All S All 2010 R57
MINI All S Clubman All 2008 R55
MINI All S Clubman All 2009 R55
MINI All S Clubman All 2010 R55
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

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