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Screamin' Eagle® Pro 4" Big Bore Bolt-On Cylinder &amp Piston Kit - 92500039
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Screamin' Eagle® Pro 4" Big Bore Bolt-On Cylinder & Piston Kit - 92500039

Genuine Harley-Davidson® Product
Screamin' Eagle® Pro 4" Big Bore Bolt-On Cylinder &amp Piston Kit - 92500039
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Now, you can take your 96 or 103 cubic inch motor to a full 110 cubic inches without removing the engine from the chassis. The Screamin’ Eagle team has engineered a 4" Big Bore Cylinder and Piston package that increase the internal bore from 3-7/8" to 4", without increasing the outside diameter of the cylinder spigot. The cylinder slips into the existing case bore without modification. Have you already installed a Stage III or Stage IV performance kit on your 103 Twin Cam motor? This kit will add a whopping 7 cubic inches of displacement for more torque throughout the RPM range. The kit includes front and rear cylinders, system-matched pistons with rings, and top head gaskets. All EFI models require ECM calibration (priced separately). For race application only.

Fitment

Fits ’07-later Twin Cam models with 4-3/8" stroke flywheel. Cannot be installed on CVO™ 110, FLSS or FLSTFBS 110 models or models with engine cases that have been machined to accept large-bore cylinders. Twin-Cooled™ models require separate purchase of model-specific head gaskets.
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Made in the U.S.A.
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