Harley Davidson Evolution Heads

Not only that but we have them all in-stock and ready to ship to you today.

Harley davidson evolution heads. 1200 Performer Cylinder Heads for Evolution Sportster have superior flow for maximum power. We see the whole range of this market on a daily basis here at GMS. Most MEGAFLO prepared STDs are.

Heads come up with larger than stock 1898 intake valves and 1623 exhaust valves. Harley Davidson Evolution Heads Thermal Coated Heads Pistons. The Evolution engine is an air-cooled 45-degree V-twin engine manufactured from 1984 by Harley-Davidson for the companys motorcycles.

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. - SS Cylinder Head for Harley Davidson Evolution Big Twin Engines. SS EVO ported and flowed heads Honda 65 Clone Race Kart Head.

Nikasil Big Bore Kit Harley Davidson Evo 1340 100. 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. These 1051 forged pistons when used with Screamin Eagle 1340 Cylinder Heads are designed to produce high compression ratios for full race applica.

5 Axis CNC Cylinder Head Porting Our 5-axis CNC cylinder head porting center uses computer control to. Using the latest CAD technology we design and develop high flowing intake and exhaust ports for various Harley-Davidson cylinder heads. In 1999 it was replaced by the Harley.

R. 62cc combustion chamber 1850 intake1610exhaust 575max valve lift 165 LBS. Contrary to popular myth serious power can be made with stock Harley-Davidson heads without reshaping the combustion chambers polishing the ports and combustion chamber using a larger intake valves or making.