Harley Davidson Evolution Heads

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Harley davidson evolution heads. Not only that but we have them all in-stock and ready to ship to you today. The stock valve seats are 1633 ID. Harley Davidson Shovel Heads.

SCREAMIN EAGLE EVOLUTION 1340 CYLINDER HEADS Built right at the factory for unparalleled quality. In 1999 it was replaced by the Harley. When the company wanted a smaller engine to use in its Sportster family the Evolution 883 was the answer.

We achieved 954 horsepower at the rear wheels using un-ported Harley-Davidson 1340 heads and increasing the compression with domed pistons. It appears someone tried to put larger valves in the blasted head. 1838 Intake and 142 Exhaust.

Rear 16720-84A and Front 16721-84A. Here is a matching set of genuine original Harley-Davidson Evo Evolution Heads. This head came off an 80 CID engine that produced 101 horsepower.

1983 To avoid betting the farm on Evo the shovel was kept in production for a time. The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. I came accross these two Evolution Heaads.

All orders over 89 receive Free shipping. 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 most popular sector of this still growing market is the Twin Cam 8896 based engines with the EVO still holding its own.