What Is Harley Davidson Stage 4

Those upgraded components feed air through a cast aluminum manifold into a larger 64 mm throttle body.

What is harley davidson stage 4. A Stage 4 Upgrade costs 3650 on a Milwaukee Eight Engine. The Stage 4 117 makes less power than a stock 114 up until 3000rpm when it starts to take off. Stage 4 Harley-Davidson Upgrade.

I am a mvp at local dealership it only cost me 330000 instaled and dynoed. Ideal for riders who want the absolute best performance upgrade available. Youll feel the difference as soon as you twist the throttle.

Stop by and see the service dept for all your performance needs. This would be a moderate compression big bore combination. Power levels can be 50-60 or much more over stock.

Expect to feel exceptional acceleration delivering significant gains and up to a 50 increase in the higher RPM range. The Harley Stage 4 upgrade consists of ported heads and a high performance carburetor or throttle body. It comes with the cnc ported factory heads with larger valves and bee hive springs and they flow much better than stock.

This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight engine - all the way to the redline. Stage 3 Heads Throttle Body. The 114 Torque Cam and 117 Stage 3.

A Stage 4 Upgrade is ideal for riders who want the absolute best performance upgrade available. A Stage 4 Upgrade is ideal for riders who want the absolute best performance upgrade available. It includes headwork and more cam than a Stage 3.