If you would rather visit the workshop then just call first to arrange a mutually convenient time. My workshop is in North Kelsey, Lincolnshire and the best way to contact me is by phone or preferably email so we can discuss your performance ideas in detail.

A stock Sportster clutch will not last very long once you start to use the huge torque increase that the 1275 conversion with cams and head work brings. Another consideration when planning a 1275 build is a replacement clutch such as the Energy One BTX-11 extra plate clutch which I keep on the shelf specifically for these conversions. I use nothing but the Power Vision for tuning and can offer the dyno tune as part of the build package. A Stage 1 download will not work at this performance level and could cause serious engine damage. With this in mind it is essential that the new build be dyno tuned. Package Four - £19 kit, conversion head work and performance cams.Ī 1275 Sportster engine with cams and head work is a long way from a stock 883 in terms of torque and horsepower. Package Three - £16 kit and conversion head work, keeping stock cams. Package Two - £16cc big bore kit and performance cams - no head work 2004-present Sportsters Package One - £11 big bore kit retaining stock heads and stock cams. I can now offer Sportster performance builds featuring these kits complete with cams and head work options. Dan Norlin and the team there have recently released their new steel lined 1275cc cylinders that come with CP forged pistons and they fit directly into the stock 1991 to present 8 cases. In my opinion the world leaders in Sportster performance technology are Hammer Performance in the States. Better pushrod geometry than the big twins and gear driven cams permit safer and higher RPM limits. There have been many engineering advances since then and the modern day Evo Sportster engine encompasses the best modern technology which allows this engine to be taken to a serious performance level. The Sportster is the original Harley Davidson performance motorcycle which was first released way back in 1957. Ride in, ride out 1275cc power packages for 1991 to present Sportsters

Hammer 1275 kits for sportster