Harley Davidson Evolution Heads

Heads come up with larger than stock 1898 intake valves and 1623 exhaust valves.

Harley davidson evolution heads. 1340 FORGED PISTONS - 1051 010. We achieved 954 horsepower at the rear wheels using un-ported Harley-Davidson 1340 heads and increasing the compression with domed pistons. The stock valve seats are 1633 ID.

Includes 1051 forged pistons pins clips rings aluminum nickel-silicon carbide plated 3875 inch bore SILVER finish cylinders and head and base gaskets for Harley Davidson Big Twin Evolution 1340cc. The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. 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.

Nikasil Big Bore Kit Harley Davidson Evo 1340 100. Painting parts needed further explanation So here it is. They are also called Evolution or Evo.

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. The Evolution engine is an air-cooled 45-degree V-twin engine manufactured from 1984 by Harley-Davidson for the companys motorcycles. Harley Davidson Evolution Heads Thermal Coated Heads Pistons.

Fully ported Hayabusa head. H-D Parts Screamin Eagle Evolution 1340. I prepare cylinder heads for Pan Heads Shovelheads Iron and Evolution Sportsters Evolution Big Twins and of course the newest Twin Cam motor.

All orders over 89 receive Free shipping. 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. Stage Two Evolution Harley-Davidson engines involve any stage one changes plus changes to some internal bolt-on engine components.