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JE Pistons Ultra Series Pistons

5.0 out of 5 stars 2 Customer Reviews

JE Ultra Series pistons combine all of the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick-wall wrist pins, an

JE Ultra Series pistons combine all of the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick-wall wrist pins, and a revolutionary new forging technology for the ultimate in strength. They are ready for massive power and boost right out of the box. Features of the JE Ultra Series pistons: * Grain flow optimized 2618 forging * Lateral gas ports improve ring seal * Ceramic crown coating—thermal barrier blocks combustion heat for durability and better exhaust scavenging characteristics * Perfect Skirt Coating—protects skirts, reduces friction, and eliminates co

JE Ultra Series pistons combine all of the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick-wall wrist pins, and a revolutionary new forging technology for the ultimate in strength. They are ready for massive power and boost right out of the box. Features of the JE Ultra Series pistons: * Grain flow optimized 2618 forging * Lateral gas ports improve ring seal * Ceramic crown coating—thermal barrier blocks combustion heat for durability and better exhaust scavenging characteristics * Perfect Skirt Coating—protects skirts, reduces friction, and eliminates cold-start piston slap and false knock on computer-controlled engines * Accumulator grooves reduce ring flutter at high rpm * Double broach pin oiling * Upgraded 9310 pins and locks—thicker, premium material wrist pins boosts strength * Carbon steel nitride rings

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