Description

The Stage II Big Bore Kit provides the parts you need to increase the horsepower of your EFI-equipped model. The kit increases the displacement of your Twin Cam-equipped model from 96 cubic inches (1584cc) to 103 cubic inches (1690cc). Black highlighted Includes big bore cylinders, big bore flat top pistons and rings, SE-255 cams, stage I air cleaner kit with one-piece back plate, top end gasket kit, and heavy duty clutch spring Separate purchase of cam spacers is recommended Requires separate purchase of primary cover gasket All EFI-equipped models require dealer-installed ECM calibration download or use of tunable Screamin’ Eagle Street Tuner Kit (priced separately) California kits are street compliant on California pollution controlled vehicles when used with Original equipment mufflers Recalibration is required for proper installation, See Dealer for details, Labor cost not included When installed by an authorized Harley-Davidson Dealer within 60-days of the vehicle purchase, compliant kits do not impact the vehicle’s limited warranty

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