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This Big Bore Kit lets you increase the displacement of your Twin Cam 96™-equipped model from 96 cubic inches (1584cc) to 103 cubic inches (1690cc).
Fits all '07 Dyna® and Touring models, '08-'11 Softail® models. Installation requires separate purchase of Primary Cover Gasket. Cam Drive Retention Kit P/N 25566-06. Cam Spacer Kit P/N 25928-06 is recommended. All EFI models require ECM calibration for proper installation. Labor cost not included. See Dealer for details.
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Installation of automatic or manual compression releases on large displacement engines is highly recommended.