Bomb down the road for tens of thousands of miles longer than you would ever expect with a Harley Evo engine. This rugged design gives you the oil tightness and durability you need to get years of use out of your favorite bike. The Evo features aluminum-cast heads and cylinders that are much lighter than traditional cast iron designs and also keep the engine cooler thanks to the heightened thermal conductivity of the metal. Additionally, the exclusive use of aluminum in lieu of a combined iron-aluminum design minimizes wear and tear on your head gasket seals. You can find this V-twin engine in a number of displacements, including the 1340 cc designed for the company's Big V-Twin motorcycles and 883, 1200, and 1100cc versions designed for the Sportster. If you are into tweaking and customizing your Harley Evo engine for even better performance, take advantage of the Harley Evo engine kit options out there to get the most out of your ride. An entire range of Harley Evo engine options are available in the vast inventory on eBay, so take a look and get riding.Shop the extensive inventory of motorcycle parts and motorcycle accessories for Harley-Davidson!