# How Much HP Does Harley-Davidson's Screamin' Eagle Stage IV Performance Crate Engine Have?

> Crate engines are a lifeline for street-performance two-wheelers and four-wheelers. When Harley-Davidson introduced the Screamin' Eagle 135ci Stage IV Performance Crate Engine in 2023, it wasn't just a minor power bump…

- **Source:** [SlashGear](https://www.slashgear.com/1943077/harley-davidson-screamin-eagle-stage-iv-performance-crate-engine-horsepower/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=68a616a63c27e05644be9868)
- **Published:** 2025-08-20
- **Category:** Cars
- **Tags:** #harley-davidson #hp #crate #performance #engine #eagle #screamin #stage
- **Canonical:** http://localhost:4321/a/68a616a63c27e05644be9868

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_GearOpen's distilled summary. The full original article is published at SlashGear (source link above); GearOpen does not republish the source's full text._