High-compression pistons 4.310" bore.
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4.31" Bore x 4.5" Stroke
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Forged flat-top pistons
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Piston design and rings engineered to withstand increased combustion forces for outstanding durability
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Updated ring package with 1mm compression and scraper rings
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Gas-ported to assist with ring sealing while allowing for low-tension and reduced friction
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Screamin’ Eagle® products are not available for sale and are not street legal in all countries. Please contact your local dealer for more information