Revolution Performance

The industry’s first fully integrated dynamic tuning control unit.

• Very easy to install
• Improved throttle response
• Improved fuel economy
• ’08-up TBW fully supported
• Takes full advantage of the factory ECU
• Maintains all OEM safeguards and features
• Self adjusts when you upgrade other parts on the engine

Now available for 2011 Touring Bikes!

Thanks for the shout out to Drag, Brian... it's always good to hear from a satisfied vendor.

BIG BORE KITS

Twin Cam Bolt-On
Big Bore Kits

This kit includes the famous Revolution™ aerospace grade all aluminum cylinders with nickel-silicon-carbide electroplated bores. Also included are our new Revolution Performance pistons and high performance head gaskets. This is a true bolt-on kit and absolutely no machine work is required. Revolution™ cylinders are the only cylinders in the world that carry a lifetime warranty against warping and/or plating defects!
Choose either the 98 inch kit for your 99-06 or the 107 inch kit for your 07-up Twin Cam. Check out the Dyno Charts pages for some awesome examples of what your power return per dollar is with this extraordinary kit!