Harley Davidson Evolution Heads

We achieved 954 horsepower at the rear wheels using un-ported Harley-Davidson 1340 heads and increasing the compression with domed pistons.
Harley davidson evolution heads. When Harley-Davidson wanted to replace the Shovelhead engine it had been using in its big V-twin motorcycles since 1966 its answer was the Evolution an engine with a new design that solved many of the Shovelheads problems. H-D Parts Screamin Eagle Evolution 1340. 1983 To avoid betting the farm on Evo the shovel was kept in production for a time.
62cc combustion chamber 1850 intake1610exhaust 575max valve lift 165 LBS. When the company wanted a smaller engine to use in its Sportster family the Evolution 883 was the answer. The dirty one is stock and the one that has been blasted has some work done on it.
The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. Head Modifications for the Discriminating Harley Enthusiast I offer a myriad of custom Harley Davidson cylinder head preparation levels each with numerous options to meet with your individual requirements. Kawasaki Vulcan 1470CC Heads.
Harley-Davidson Evolution engene Disassembly and Re-assembly - YouTube. Not only that but we have them all in-stock and ready to ship to you today. The Evolution engine is an air-cooled 45-degree V-twin engine manufactured from 1984 by Harley-Davidson for the companys motorcycles.
Ready for a day at the track or a week of touring with friends this package is what riding a Harley Davidson is all about. Harley-Davidson Heritage Softail. SS EVO ported and flowed heads Honda 65 Clone Race Kart Head.
Where all STD cylinder heads are available and can be used as stock replacement assemblies that enable enhanced performance capabilities their true strength among professional cylinder head and engine builders lies in the almost limitless casting options. 100ci Nikasil big bore kit. Blockhead 1984-99 All Blockheads have the same displacement of 80 cubic inches.