Looking at two different engine kits for my 09 flhx.
Any real world input on either of these would be appreciated
Dan Vance Racing, Harley, Twin Cam, performance kits,
Mega-Sphere™ for Twin-Cam Motorcycle Engines from Dave Mackie Engineering
Any real world input on either of these would be appreciated
Dan Vance Racing, Harley, Twin Cam, performance kits,
Mega-Sphere™ for Twin-Cam Motorcycle Engines from Dave Mackie Engineering