What Is Harley Davidson Stage 4

I am a mvp at local dealership it only cost me 330000 instaled and dynoed.

What is harley davidson stage 4. A Stage 4 on the stock 103 platform will gain you 103 hp with 110ft-lbs of torque and the Bolt on 110Ci cylinders with stage 1 gets you 105 hp pretty respectable for a stock freedom machine with new jugs and stock heads. 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.

Youre looking at high-flow cylinder heads and the Godzilla of all throttle bodies. That is the Stage 4 upgrade. These upgraded components will maximize the amount of fuel that your V-Twin can burn which in turn increases its ability to create more power.

Youll feel the difference as soon as you twist the throttle. 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. Ideal for riders who want the absolute best performance upgrade available.

A Stage 4 Upgrade costs 3650 on a Milwaukee Eight Engine. Check out this new 107 to 128 HD stage 4 kit with Bassanni stainless exhaust. In many cases it would include a larger throttle body injectors depending on the specific model.

Stage 3 Heads Throttle Body. The 114 Torque Cam and 117 Stage 3. Stage 1 is just air and pipes stage 2 is a cam upgrade.

Its designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. Along with larger throttle body and injectors you will be needing more headwork than what you have done in stage 3. This stage IV comes with 110heads 260 cams 58mm throttle body injectors it realy moves but low end below 3000 rpms is alittle sluggish but once you get going all I can say is hang on.