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Supertech Forged Pistons Set Mini Cooper S JCW R56 N18B16C 77.5mm +0.5mm Std 10.0:1

SKU
P4-MIN56-N18-77.5-CR10/GNH7750
$735.51
Available

Not in stock at our Sanford, FL location but electronically verified in stock at the Manufacturer/Distributor within the last 12 hours. (aka: not experiencing a supply delay)

Description


Pistons are manufactured in Argentina with technology transferred from European manufacturers.


Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni & Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. Our pistons with this alloy have withstood up to 42psi of turbo boost, with alcohol, without any problems.


A 2 or 3 forging steps process yields a fine structural grain oriented in fibers in the same direction of the stresses.


Several heat treatments provide the piston with a high tensile strength and evenly distributed hardness. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC. machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Contact reduction grooves are standard. Honed & reamed pin bores for precise fit.


Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.


Finally our "phosphate dry lubricant" coating is applied to protect the rings against "micro welding" and enhance lubrication on the skirt/cylinder area.


Piston Rings are manufactured in Japan with the latest technology for high performance applications.


Quality Control: Performed after every step of the manufacturing process in climate controlled environments to ensure reliability of dimensions.

Specifications

More Information
Availability In Stock / Available
Item Weight 251 g
Shipping Weight (Dimensional) 6.220000
Clearance Sale No
Availability Available
Part Type Pistons
Make Mini
Engine N18B16C
Rod Length 5.454" / 138.5mm
Rod Length Oversize Standard Length
Bore Diameter 77.5mm
Bore Oversize 0.020" / 0.5mm
Stroke 85.8mm (Standard Stroke)
Compression Ratio 10.0:1
Pin Size 0.787" / 20mm
Included Ring Set R82-GNH8200
Head cc 37.6 cc
Compression Height 1.083" / 27.5mm
Piston Coating Crown Coating, Skirt Coating
Brand Supertech
Skirt Type Slipper Skirt
Piston Material 4032
Carb Legal Unspecified
Shipping Label Free Shipping

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