Harley-Davidson® Screaming Eagle Performance Engine Upgrades

Exclusive Winter 2019 Promotion

Take advantage of our promotional pricing on Milwaukee 8 Stage Upgrade kits.

Screamin' Eagle® Performance Stage Kits transform the riding experience of your Harley® with increased acceleration and improved overtaking power. Bike performance modification can be frought with pitfalls, dead ends, poor quality components and unexpected results, not always in the right direction. By separating the process into stages, you have the choice to see how each upgrade affects your bike and your riding expereince. Screamin' Eagle® stage kits are offered in a variety of options designated as Stage I, II, III, and IV.

The higher number kits provide the greatest increase in performance. Stage I is the starting point with the option to upgrade to a higher numbered stage kit in the future.

Find out more below.

Screamin' Eagle Performance Stage I Upgrade

Milwaukee 8 Stage I power upgrade kit including fitting £950 Including; - Intake, Exhaust, Tuning Upgrade = Foundation For Future Upgrades


Screamin' Eagle Performance Stage II Upgrade

Milwaukee 8 Stage II power upgrade kit including fitting £1014 (from stage one spec) Including; - Screaming Eagle camshaft upgrade


Screamin' Eagle Performance Stage III Upgrade

Milwaukee 8 Stage III power upgrade kit including fitting £2,549 (from stage one spec) Including; - Screaming Eagle barrels, pistons, and high torque camshafts

Screamin' Eagle Performance Stage IV Upgrade

Milwaukee 8 Stage 4 power upgrade kit including fitting £3,479 (from stage one spec) Including; - barrels, pistons, complete performance cylinder heads and larger throttle body

If you're looking to take your ride to the next level with a Stage upgrade, get in touch with our team here and discuss your options, or pop in-store and speak to our team directly. We're able to guide you through the process and find out exactly what you want for your bike.

Call our Cheltenham team on 01242 240570 or our Oxford team on 01865 735121 for a free consultation and to discuss your options.

Terms and Conditions

Stage upgrades must be booked and completed between November 2019 and 15th February 2020.