Hog Heaven | Harley Davidson Shop

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Screamin’ Eagle Stage IV Kit – 121CI to 135CI for Harley-Davidson

(8 Customer Reviews)

$4,449.95

Unlock the ultimate performance for your Harley-Davidson with the Screamin’ Eagle Stage IV Kit, boosting your engine from 121CI to 135CI.

Experience incredible power and torque with top-quality components designed for maximum efficiency.Upgrade your ride today!

Description

Buy Screamin’ Eagle Stage IV Kits for Harley-Davidson

Elevate your riding experience with the Screamin’ Eagle Stage IV Kit, designed to transform your Harley-Davidson from 121 cubic inches to an exhilarating 135 cubic inches.

This performance upgrade is engineered for riders who demand uncompromising power and responsiveness.

Benefits of Using Screamin’ Eagle Kits

  1. Enhanced Performance: Experience a significant boost in horsepower and torque, delivering an impressive 144 horsepower and 149 ft-lb of torque at the rear wheel.
  2. Instant Acceleration: Designed for wide-open throttle, the kit provides instant passing power and improved acceleration.
  3. High-Quality Components: Utilizes top-tier Screamin’ Eagle parts, ensuring durability and reliability.

Key Features

  • CNC-Ported Cylinder Heads: All-new Screamin’ Eagle® Extreme CNC-ported heads optimize airflow for maximum performance.
  • 68mm Throttle Body: A new cast throttle body enhances air intake efficiency.
  • SE8-550 High-Lift Cam: Increases engine responsiveness and power delivery.
  • Forged High-Compression Pistons: Designed to withstand increased combustion forces.
  • High-Performance Tappets and Steel Sleeve Cylinders: Ensures longevity and reliability under high performance.

Compatibility

The Screamin’ Eagle Stage IV Kit is compatible with 2023-later FLHXSE and FLTRXSE models, as well as 2024-later FLTRXSTSE models.

Note that it requires ECM recalibration with the Pro Street Tuner for optimal performance and is not street legal in California.

What Makes Harley-Davidson Screamin’ Eagle Stage IV Kit Unique?

This kit stands out as the most powerful option offered by Harley-Davidson, delivering unmatched displacement and torque.

Developed through extensive testing by the Harley-Davidson Factory Racing Team, it combines cutting-edge technology with racing heritage to provide a thrilling riding experience.

Why Choose Screamin’ Eagle Stage IV Kit from Hog Heaven?

At Hog Heaven, we pride ourselves on offering genuine Harley-Davidson parts and accessories.

Our knowledgeable staff can assist you in selecting the right products for your motorcycle, ensuring a seamless upgrade experience.

Where to Buy Harley Parts Online

You can conveniently purchase the Screamin’ Eagle Stage IV Kits online through our website or visit us in-store at Hog Heaven.

We provide a wide selection of genuine Harley-Davidson parts to meet all your motorcycle needs.

FAQ

Q: Is installation difficult?

A: Installation is designed to be straightforward, but professional installation is recommended for optimal results.

Q: Do I need additional parts?

A: Yes, separate purchases may be required for certain components like head pipes.

Shop Genuine Harley Davidson Parts – Hog Heaven

Explore our extensive inventory of genuine Harley-Davidson parts, including the Screamin’ Eagle Stage IV Kits. Trust Hog Heaven for quality products that enhance your riding experience.

Elevate Your Ride

Transform your Harley-Davidson into a high-performance machine with the Screamin’ Eagle Stage IV Kit. Experience the thrill of unmatched power and responsiveness on every ride!

Average Rating

4.75
8 Review
5 star 75%

4 star 25%

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8 reviews for Screamin’ Eagle Stage IV Kit – 121CI to 135CI for Harley-Davidson

  1. Alice Mary

    After installing the Stage IV Kit, my Harley feels like a completely different machine. The performance is outstanding, and I love the way it handles. If you want to take your ride to the next level, this kit is a must-have!

  2. Larry Vincent

    Hog Heaven customer support is great. I have issues getting the right kit for my model but with their help I could get exactly what I need. Plus the prices are great too

  3. Ray Anderson

    I’ve been a Harley rider for years, and the Stage IV Kit is by far the best upgrade I’ve made. The acceleration is smooth, and the sound is music to my ears. It’s worth every penny!

  4. Lisa Johnson

    This kit is a game-changer! The installation was straightforward, and the performance boost is phenomenal. My bike now roars with power, and I love the instant torque. If you're looking to upgrade, this is the way to go!"

  5. Marthin Anderson

    Great price for a full kit. My Harley is ready to hit the road

  6. Anjello M

    Great optimization of performance after installing the kit. Thumbs up guys.

  7. Johnny Smith

    I recently installed the Screamin’ Eagle Stage IV Kit on my Harley, and the difference is incredible! The 144 horsepower and 149 ft-lb of torque make my rides exhilarating. I can feel the power throughout the entire RPM range. Highly recommend it!

  8. Rick Jerry

    Absolutely thrilled with my purchase! The Screamin’ Eagle Stage IV Kit transformed my bike into a beast. The torque is impressive, and I can’t get enough of the power it delivers. Hog Heaven Shop made the process easy and reliable!

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