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Screamin' Eagle High Compression Pistons – 135 CI
Part Number: 21900164
High-compression pistons 4.310" bore.
...Read MoreDescription
High-compression pistons 4.310" bore.
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Forged 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
Details
Replacement pistons for '17-later Milwaukee-Eight Touring models equipped with 135CI Stage IV Performance Crate engine.
Dealer Install Recommended:
Yes
ECM Calibration Required:
Yes
WARRANTY:
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Harley-Davidson® motorcycles modified with some Screamin’ Eagle® Performance products must not be used on public roads and, in some cases, may be restricted to closed-course competition. These performance parts are 49-state U.S. EPA compliant but are NOT compliant for sale or use in California on pollution-controlled motor vehicles. California guidelines on tampering can also lead to substantial fines and penalties. Screamin’ Eagle® Performance products are intended for the experienced rider only.
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