What Is Harley Davidson Stage 4

That is the Stage 4 upgrade.

What is harley davidson stage 4. It includes headwork and more cam than a Stage 3. To start with The stage 4 kit does not come with the compressor heads. All of the gaines are in the upper end of the powerband.

Stop by and see the service dept for all your performance needs. Those upgraded components feed air through a cast aluminum manifold into a larger 64 mm throttle body. Youre looking at high-flow cylinder heads and the Godzilla of all throttle bodies.

Tuners carburetor and fuel injection NOS Superchargers Turbos Big Bore and more. This is the stage that really puts the cherry on top. Check out this new 107 to 128 HD stage 4 kit with Bassanni stainless exhaust.

This is a basic explanation and you should reference a Harley dealership or the HD website to get all the specifics for each stage kit. A Stage 4 Upgrade is ideal for riders who want the absolute best performance upgrade available. Additional supportive mods would be required such as clutch and other upgrades.

The new Screamin Eagle Street Performance Stage 4 Kit 103 Cubic Inches PN 92500011 184995 from Harley-Davidson Genuine Motor Accessories produces the maximum horsepower output for a. Stage 4 Harley-Davidson Upgrade. For the highest power upgrade available well address the top end of your Harleys engine.

If you are a power addict this stage is for you. And for the sake of comparison and to better explain our menu of upgrade options and power gains expected it is worth noting that the most popular engine in the. It isnt until 4500 RPM that the Stage 4 really comes to life pouring the power on until it redlines at 6500rpm.