Harley Davidson Evolution Heads

This engine is not to be confused with the Sportster Evo same name different engine.
Harley davidson evolution heads. All orders over 89 receive Free shipping. These 1051 forged pistons when used with Screamin Eagle 1340 Cylinder Heads are designed to produce high compression ratios for full race applica. Harley Davidson Evolution Heads Thermal Coated Heads Pistons.
62cc combustion chamber 1850 intake1610exhaust 575max valve lift 165 LBS. I came accross these two Evolution Heaads. The newly designed Harley-Davidson Evo engine relied on aluminum heads and cylinders - as opposed to the heavy cast iron parts of the Shovelhead their previous Big Twin bike V-Twin engine and other predecessors such as the Sportsters Ironhead engine led to a light weight engine with improved air-cooling efficiency.
H-D Parts Screamin Eagle Evolution 1340. Fully ported Hayabusa head. Kawasaki Vulcan 1470CC Heads.
Most MEGAFLO prepared STDs are. 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. This what a stock EVOLUTION combustion chamber looks like with stock sized valves.
R. Dennis Kirk has been the leader in the powersports industry since 1969 so you can rest assured that we have your back when it comes to bringing you the best Cylinder Heads for your Harley-Davidson. Heads come up with larger than stock 1898 intake valves and 1623 exhaust valves.
Harley-Davidson Evolution engene Disassembly and Re-assembly - YouTube. 100ci Nikasil big bore kit. SS EVO ported and flowed heads Honda 65 Clone Race Kart Head.