Harley Davidson Evolution Heads

The dirty one is stock and the one that has been blasted has some work done on it.

Harley davidson evolution heads. Heads come up with larger than stock 1898 intake valves and 1623 exhaust valves. It was made in the 1340 cc displacement for Harley-Davidson Big V-twins bikes replacing the Shovelhead engine until 2000 when the last EVO was placed in a production factory custom FXR4. Kawasaki 600 fully ported cylinder heads.

1340 FORGED PISTONS - 1051 010. Harley-Davidson Evolution engene Disassembly and Re-assembly - YouTube. Contrary to what many performance shops try to tell you we were able to break the 90 horsepower mark without larger valves porting and polishing the Evolution heads.

Most MEGAFLO prepared STDs are. The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. More stable crank and pistons.

This engine is not to be confused with the Sportster Evo same name different engine. H-D Parts Screamin Eagle Evolution 1340. We hope this explains anything we left out.

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. - SS Cylinder Head for Harley Davidson Evolution Big Twin Engines. Using the latest CAD technology we design and develop high flowing intake and exhaust ports for various Harley-Davidson cylinder heads.

All orders over 89 receive Free shipping. Not only that but we have them all in-stock and ready to ship to you today. Painting parts needed further explanation So here it is.