Supertech 1.8t 20v TDI 82.5mm 8.7:1 Compression 95.5mm Stroker Pistons

£685.00 incl VAT £570.83 ex VAT

The Supertech piston come in at great value for money. They’re come coated and with a tool steel pin as standard, most others on the market this is an optional extra. The Supertech 1.8t pistons have been tested to near 1000hp in the UK in a 4WD drag car with no issues, being the 4032 alloy, they also make a great piston for a daily driven car.

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Description

These Pistons are for the VAG 1.8t 20v when using the 1.9TDI crank, with the increase in stroke to 95.5mm and a 1.5mm overbore, this will take the capacity to over 2l.

MANUFACTURING

Supertech 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. Supertech 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.

SURFACE FINISH

Finally Supertech “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.

We can  balance them to a tolerance of 0.1g and would strongly recommend this for high revving builds.

Additional information

Weight 3 kg
Dimensions 30 × 30 × 12 cm
Bore and compression ratio

Manufacturer/Brand