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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).
|DEALER INSTALL RECOMMENDED||Yes|
|IN THE BOX||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|
|SOLD SEPARATELY||Cam spacers and primary cover gasket|
|WARRANTY||1 year limited warranty - See Customer Service section for details|
Installation of automatic or manual compression releases on large displacement engines is highly recommended.
Installation of California performance kit onto a 49-state model motorcycle or a 49-state performance kit on a California model motorcycle will void manufacturers warranty, as it will not result in a street compliant configuration.
Fits '10-'11 Softail® models equipped with a Twin Cam 96™ engine. Also fits '08-'09 California 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 models require ECM calibration for proper installation.
*Fitment details are provided in good faith and do not guarantee suitability for your bike. If in any doubt please contact our parts department before ordering.