JE Ultra Series Sport Compact Pistons - Engine Builder Magazine
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JE Ultra Series Sport Compact Pistons

Ultra Series pistons are engineered to handle high boost levels and nitrous oxide.


Sport Compact and Euro enthusiasts can now avail themselves of the latest generation of Ultra Series pistons from JE. They are available fo BMW, Ford, Honda, Mitsubishi, Nissan, Subaru and Toyota applications in a variety of compression ratios and bore sizes and serve to provide custom piston features with shelf-stock convenience.

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Forged from race-proven 2618 alloy using JE’s proprietary Aligned Grain Flow™ technology, they are up to 20% stronger than conventionally forged pistons and therefore can benefit from significant strength improvements without increasing mass.

Important attributes of JE’s Ultra Series pistons includes a ceramic thermal barrier crown coating that can accommodate high combustion pressures and temperatures, lateral gas ports and accumulator grooves that ensure optimum piston ring sealing and a Perfect Skirt™ coating that reduces friction while eliminating cold-start piston slap.

Additionally, JE Ultra Series pistons come with an upgrade 9310 alloy wrist pin, dual pin oiling, and a complete set of premium pistons rings.

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Engine Builder Magazine