COMP CAMS 1521-COMP Rocker Arm Set

( Brand: Comp Cams ), ( Manufacturer Part Number: 1521-COMP ), ( Type: Rocker Arm Set ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes )

Review COMP CAMS Rocker Arm Set fits LS3

The COMP Cams 1521-Comp LS3 1521 rocker arm set is a high-performance upgrade for LS engines seeking enhanced power and durability. Designed for use with LS3, LS4, and LS9 engines, this rocker arm set is engineered to provide superior valve control and improved engine response.

The 1.6-ratio rocker arms feature a robust design with CNC-machined billet steel construction. This ensures maximum strength and durability, capable of withstanding the demands of high-performance applications. The arms are also finished with a black anodized coating, not only enhancing their appearance but also providing added protection against corrosion.

The COMP Cams 1521-Comp LS3 1521 rocker arm set includes heavy-duty 1.94-inch roller rocker arms, 1.5-inch lifters, and pushrods. The roller tip design reduces friction and provides a more consistent valve motion for improved engine performance. The lifters, made from precision-machined billet steel, offer a smooth, consistent flow of engine oil for proper valve lubrication.

The rocker arms are designed with a dual valve spring setup, which helps maintain valve control during high RPM operation. This setup ensures reliable valve function and allows for increased power output. The set includes new valve springs and retainers, ensuring a proper fit and function.

The COMP Cams 1521-Comp LS3 1521 rocker arm set is designed to work with factory GM hydraulic roller camshafts and lifters. It is an excellent choice for engine builders and enthusiasts looking to maximize the performance potential of their LS engine. The set comes with all necessary hardware for installation, ensuring a hassle-free installation process.

In summary, the COMP Cams 1521-Comp LS3 1521 rocker arm set is a high-performance upgrade for LS engines. It offers improved valve control, reduced friction, and enhanced durability, resulting in increased power output and improved engine response. With its robust design and precision machining, this rocker arm set is an essential component for any serious LS engine build.

Pros and Cons of Buying Comp Cams 1521-1521 LS3 Rocker Arm Set for your Engine

The Comp Cams 1521-1521 LS3 Rocker Arm Set is a popular choice among engine builders and enthusiasts for its potential to enhance the performance of the LS3 engine. In this article, we will discuss the advantages and disadvantages of investing in this rocker arm set.

1. Enhanced Performance: The Comp Cams 1521-1521 LS3 Rocker Arm Set is designed to provide improved valvetrain efficiency and increase power output. This can lead to better engine response, increased horsepower, and improved fuel economy.

2. High-Quality Materials: The rocker arms are made from high-strength steel, which provides durability and resistance to wear and tear. The hardened valve tips ensure longer valve tip life and reduce the risk of valve damage.

3. Customizable: The Comp Cams 1521-1521 LS3 Rocker Arm Set is available in various camshaft grinds to suit different engine applications and performance goals. This allows you to choose the grind that best fits your engine build and desired power output.

4. Easy Installation: The rocker arms come pre-assembled with bushings and locks, making the installation process more straightforward. Additionally, the kit includes new lifters and pushrods to make the upgrade process as complete as possible.

1. Cost: The Comp Cams 1521-1521 LS3 Rocker Arm Set can be a significant investment compared to stock rocker arms. The cost may be a deterrent for some engine builders or enthusiasts with limited budgets.

2. Requires Additional Components: To install the Comp Cams 1521-1521 LS3 Rocker Arm Set, you may need to purchase additional components such as valve springs and retainers. This can add to the overall cost of the upgrade.

3. Potential Clearance Issues: Depending on the specific engine build and components used, clearance issues may arise with the installation of the Comp Cams 1521-1521 LS3 Rocker Arm Set. Careful consideration and adjustments may be necessary to ensure proper clearance and avoid potential damage.

The Comp Cams 1521-1521 LS3 Rocker Arm Set offers several advantages for engine builders and enthusiasts seeking improved performance from their LS3 engine. While the cost may be a significant investment, the potential gains in power output, durability, and customizability make it a worthwhile consideration for those with the budget and desire for enhanced engine performance.

If you are in the market for a high-performance rocker arm set for your LS3 engine and have the budget for it, the Comp Cams 1521-1521 LS3 Rocker Arm Set is an excellent choice. Ensure you choose the correct camshaft grind for your engine application and consider the potential need for additional components during the installation process. With proper planning and execution, the Comp Cams 1521-1521 LS3 Rocker Arm Set can provide significant gains in engine performance and durability.

Details:

But for my application they don't have enough intake off set. I ordered for a job was building but my heads would not work with them. Those heads have rectangle intake port not cathedral. The bars that bolt to the heads have been clearances a little clear RHS head I am using.

Here for sale is a 1521 Comp LS3 Shaft rocker arm system. They fit a GM LS3 cylinder head like is used 07 up on 6.2 engine. I did set them on a LS3 head they fit as should.

part #: 1521 prices

• $1970.95-$2230.30

specifications rockeareng:

• for models: Ls3
• brand: Comp Cams
• mpn: 1521-comp
• type: Rocker Arm Set
• country/region of manufacture: United States
• performance part: Yes

shipping rockeareng:

• carrier: USPS
• service: USPS Priority Mail
• transit: 5-11 Days
• cost: $0.00
• type: Calculated
• class: Expedited

seller rockeareng:

• city: Batesville, Arkansas
• rating: 100.0%
• # reviews: 948

offer rockeareng:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: February 13, 2025
• best offers: True

payments rockeareng:

• credit card: Discover
• wallet: Google-pay
• other

returns rockeareng:

• policy: No Returns

general rockeareng:

• Engines Engine Parts > Valvetrain Components > Rocker Arms Parts
• condition: New

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