Дополнительная опция КЕРАМИЧЕСКОЕ НАПЫЛЕНИЕ верхней части поршня - керамика отражает температуру = значительно дольше сопротивляется высокому ЕГТ

С данными поршнями на 2JZ получается объем 3.1L
 
 Поршни кованые JE Pistons ASYMMETRICAL FSR 2JZGTE 87mm 8.5:1
Новая ассиметричная серия FSR
Кольца, пальцы и локеры в комплекте
Сделано в США
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What is asymmetrical?
Asymmetrical, by definition, means "not symmetrical". The new asymmetrical forged pistons from JE utilize two different sized piston skirts, so are identified as an "asymmetrical" piston design.
 
Why are asymmetrical pistons better?
FACT: The two skirts of a piston do not experience the same amount of mechanical loading. During the firing cycle, the load exerted on one piston skirt, referred to as the "major thrust side," can be up to 10 times higher than the load experienced by the opposing skirt, referred to as the "minor thrust side." The disparity in skirt loading can vary in magnitude depending on key variables including the engine's stroke, rod length, and peak cylinder pressure. 
JE's asymmetrical pistons are the only aftermarket pistons designed to specifically handle the dissimilar mechanical loads experienced by both piston skirts. The resulting piston design features a large skirt area on the heavily loaded "major thrust side" and a small skirt area on the less loaded "minor thrust side". Overall, the piston design is stronger, yet lighter than previous designs.

http://www.jepistons.com/