What Is Harley Stage 4

The Harley Stage 4 upgrade consists of ported heads and a high performance carburetor or throttle body.

What is harley stage 4. Tune a Harley-Davidson Milwaukee-Eight engine to the max with a potent new street-legal Screamin Eagle Milwaukee-Eight Stage IV Kit available now from Harley-Davidson Genuine Motor Parts Accessories. Nobody says no to more torque and horsepower. He ended up going with a Woods TW 400-6 cam set.

The Stage 4 117 makes less power than a stock 114 up until 3000rpm when it starts to take off. The larger valves are completely un-shrouded in the. Harley Stage 4 Upgrade The more air your engine can move the more power it can create.

He had just bought a heritage with a SE Stage 4 103 and found that it was too soft on the bottom also. Buy your Road King Kong raffle tickets here. Make more power than the Stage 4 up to 4000 rpm.

Additional supportive mods would be required such as clutch and other upgrades. To start with The stage 4 kit does not come with the compressor heads. This kit makes 105-110 hp and 110-115 ft lbs on a consistent basis straight out of the box without a great exhaust.

By getting a Harley stage kit you dont have to spend a bunch of time researching and piecing things out. It isnt until 4500 RPM that the Stage 4 really comes to life pouring the power on until it redlines at 6500rpm. 200 Valves Step Lock Guides special valve seats 516 valve springs allow up to 750 of cam lift.

This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight engine - all the way to the redline. New cams - Harley Davidson Community HTH Randall. It was just what the Dr.