Screamin' Eagle Big Bore Stage II Kit For EFI Models - 103 Cubic Inches
Harley-Davidson®
27543-08
New product
United States
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 at the time of vehicle delivery, these kits do not impact the vehicle’s limited warranty
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Product Information
| COLOUR | Black Highlighted |
| 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 |
More info
- Screamin' Eagle Big Bore Stage 2 Kit Chart
- Screamin' Eagle Big Bore Stage II Kit For EFI Models - 103 Cubic Inches Installation Instructions
- These Screamin' Eagle® products are street-legal for sale and use on pollution-controlled vehicles in the state of California.
- These Screamin' Eagle® products are 50-state street-legal for sale and use on all vehicles, including those that are pollution controlled. Complies with the requirements of 40 CFR Part 86, subparts E and F.
Note
Installation of automatic or manual compression releases on large displacement engines is highly recommended.
Caution
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.
Bike Fitment
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.