Cosworth

20013370

Cosworth Piston Kit - Standard Bore, 13.5:1 Compression 20013370

SKU: tr-170186

Pistons

Ultra high performance, low friction, free revving, forged competition motocross pistons
Forged from proprietary 2618 high tensile strength alloy
Polished crowns to reduce carbon build up and to minimize the effects of hot spots which can lead to detonation
Top ring land scrolling protects against scuffing, provides oil retention aiding lubrication, and reduces crevice volume that can lead to detonation
The accumulator grooves aids compression ring sealing under high cylinder pressures

Ultra high performance, low friction, free revving, forged competition motocross pistons
Forged from proprietary 2618 high tensile strength alloy
Polished crowns to reduce carbon build up and to minimize the effects of hot spots which can lead to detonation
Top ring land scrolling protects against scuffing, provides oil retention aiding lubrication, and reduces crevice volume that can lead to detonation
The accumulator grooves aids compression ring sealing under high cylinder pressures
Lateral gas ports utilized in some applications. Gas ports aid ring sealing
Formula One derived smooth blended barrel form and optimized cam profile allows ultra high rpm and increases performance
Xylan, fluoropolymer coated skirts provide friction reduction and wear resistance
Superior finished pins are DLC coated, strong and lightweight
Pistons are made in the same factory as our Formula One engine in Northampton, England
Rings, Pins, and pin locks are included in the piston kit


This Item Fits the Following Applications:
2010-2013 Honda CRF250R


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