Unlock More Power from Your LS3 Engine with the New LS3 Rectangle port intake
Looking for a simple yet effective upgrade for your LS3? This NEW LS3 Rectangle Port Intake with Holley fuel rails is a complete solution that helps your engine breathe better and make more power. Brand new and ready to install, it offers improved airflow while providing strong, consistent fuel delivery.
This intake is a favorite among LS3 owners because it delivers noticeable gains without complicated changes. Whether you drive a Corvette, Camaro, truck, or custom swapped vehicle, the NEW LS3 Rectangle Port Intake gives you the performance edge you’ve been wanting.
Why This NEW LS3 Rectangle Port Intake Is a Great Choice
The NEW LS3 Rectangle Port Intake is specifically designed to match rectangular port cylinder heads like those on the LS3. It flows more air than the stock intake, resulting in better throttle response, stronger torque, and higher horsepower potential.
The included Holley fuel rails take the upgrade even further by ensuring your engine gets the fuel it needs, especially when you add cams, heads, or forced induction. This complete package saves you time and gives you confidence in your build.
NEW LS3 Rectangle Port Intake for Everyday and Performance Use
One of the best things about the NEW LS3 Rectangle Port Intake is its versatility. It works great for daily driving while still supporting serious performance goals. The rectangular port design helps air move efficiently into the engine, giving you smooth power that feels strong in every gear.
Many builders use this intake as a foundation for bigger projects. The Holley fuel rails make it easy to scale up power later without replacing major components. Check our Ls6 Intake manifold
Key Benefits You’ll Notice Right Away
- Better Throttle Response — The engine reacts faster when you hit the gas.
- Increased Horsepower and Torque — More air and fuel equal stronger performance.
- Reliable Fuel System — Holley rails keep pressure stable during hard driving.
- Simple Bolt-On Install — Everything you need comes in one clean package.
- Great Under-Hood Looks — Professional Holley parts look sharp and high-end.
- Room to Grow — Supports future upgrades like superchargers or bigger cams.
What’s Included in This NEW LS3 Rectangle Port Intake Package
- Brand new LS3 Rectangle Port Intake manifold
- Holley high-volume fuel rails
- Mounting brackets and hardware
- Ready to pair with popular throttle bodies
Who Should Get This NEW LS3 Rectangle Port Intake
- LS3 Corvette, Camaro, and truck owners
- Performance enthusiasts chasing more power
- LS engine swap builders
- Street and strip drivers
- Anyone wanting a reliable, complete intake upgrade
Real-World Performance Gains
Owners who install the NEW LS3 Rectangle Port Intake frequently report improved mid-range power, quicker acceleration, and a more responsive feel. The Holley fuel rails provide peace of mind that the fuel system can handle the extra airflow and future modifications.
Easy Installation Steps
Setting up your NEW LS3 Rectangle Port Intake is straightforward for most builders:
- Remove the stock intake and related parts.
- Clean the mating surfaces and install fresh gaskets.
- Bolt on the new manifold.
- Mount the Holley fuel rails and connect your fuel lines.
- Install your throttle body and reconnect sensors.
- Check everything, start the engine, and get a professional tune.
Most people complete the job over a weekend. Professional shops can do it even faster.
Comparison Table: Why This Intake Wins
| Feature | This NEW LS3 Rectangle Port Intake | Stock LS3 Intake | Other Aftermarket Intakes |
|---|---|---|---|
| Port Design | Optimized Rectangular Port | Standard | Varies |
| Fuel Rails | Holley High-Volume Included | None | Often Sold Separately |
| Condition | Brand New | Stock | New or Used |
| Power Potential | High (Supports Big Builds) | Limited | Moderate to High |
| Installation | Easy Bolt-On | Stock | Varies |
| Value for Money | Complete Ready Package | Basic | Higher Total Cost |
Detailed Benefits Breakdown
Airflow Efficiency The NEW LS3 Rectangle Port Intake helps your engine pull in more air, which directly translates to more power and better efficiency.
Fuel Delivery Holley rails are built to maintain steady pressure, reducing the chance of lean conditions during aggressive driving.
Drivability You get performance gains without sacrificing smooth daily driving characteristics.
Build Flexibility This intake works well naturally aspirated or with boost, giving you options as your build evolves.
Appearance and Quality The clean design and Holley branding make your engine bay look professional and purposeful.
Frequently Asked Questions
Will this fit my vehicle? It’s designed for LS3 rectangular port heads and fits many popular LS applications.
Is it suitable for boosted engines? Yes – the Holley fuel rails support superchargers and turbos very well.
Do I need additional parts? You may want a throttle body, gaskets, and a tune for best results.
How much power can I expect? Gains vary by your full build, but most see noticeable improvements in power and response.
Is this better than stock? Absolutely – better flow, modern fuel rails, and brand new condition make it a clear upgrade.
Why Customers Are Buying This NEW LS3 Rectangle Port Intake
This complete package offers outstanding value, performance, and convenience. The NEW LS3 Rectangle Port Intake with Holley fuel rails is exactly what many LS3 owners are searching for – a straightforward way to add real power.
Ready to Take Your LS3 to the Next Level?
Don’t wait to experience better performance. Order this NEW LS3 Rectangle Port Intake with Holley fuel rails today and transform how your engine delivers power.
Fast, secure shipping available. Have questions about fitment, supporting mods, or pairing with your current setup? Reach out – we’re happy to help you build the perfect LS3.
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