SPEEDMASTER Outlet Gm Shaft Dna Roller Rocker Arms Set 840136501794 1.8

( Brand: Speedmaster ), ( Type: 261 Rocker Arm ), ( UPC: 840136501794 )

Review SPEEDMASTER Outlet Chevy Gm Shaft 1.8 Ratio Dna Aluminum Roller Rocker Arms Set fits LS1

Introducing the Speedmaster Outlet 840136501794 Chevy GM LS1 Shaft 1.8 DNA Roller Rocker Arm Set, a high-performance upgrade for your Chevrolet or General Motors LS1 engine. This roller rocker arm set is engineered to provide superior valvetrain control and efficiency, resulting in increased horsepower and torque.

The DNA Roller Rocker Arms are made from billet steel, ensuring a strong and durable construction. Each arm features a roller tip design that reduces friction and wear, allowing for smoother valvetrain operation. The roller tips also reduce valvetrain noise, resulting in a quieter engine operation.

This set includes six roller rocker arms, two intake and four exhaust, designed to fit the Chevrolet and General Motors LS1 engines. The intake rocker arms have a 1.8:1 ratio, while the exhaust rocker arms have a 1.6:1 ratio, optimized for the specific requirements of the LS1 engine.

The roller rocker arms are designed to work with the factory pushrods, making this an easy and straightforward upgrade. However, if you're looking for even more performance, the Speedmaster Outlet also offers a matching pushrod set for a complete valvetrain upgrade.

The DNA Roller Rocker Arm Set is a direct replacement for the factory rocker arms and is compatible with all factory valvesprings and lifters. The set comes with all necessary hardware for installation, making it a simple and hassle-free upgrade.

In summary, the Speedmaster Outlet 840136501794 Chevy GM LS1 Shaft 1.8 DNA Roller Rocker Arm Set is a high-performance upgrade for your LS1 engine. Made from billet steel with roller tip design, this set offers superior valvetrain control, increased horsepower, and torque, and quieter engine operation. The set includes six roller rocker arms, two intake and four exhaust, designed to fit the Chevrolet and General Motors LS1 engines and comes with all necessary hardware for installation.

Pros and Cons of Buying Chevy LS1 DNA Roller Rocker Arm Set (6840136501794) for Your Speedmaster Outlet Engine

The Chevy LS1 DNA Roller Rocker Arm Set (6840136501794) is a popular aftermarket upgrade for high-performance engines, especially those used in the Speedmaster Outlet applications. This set is known for its durability, efficiency, and power enhancement. In this analysis, we will discuss the key advantages and disadvantages of investing in this roller rocker arm set.

1. Enhanced Performance: The DNA roller rocker arms offer improved valvetrain efficiency, which results in better engine breathing and increased power output. This makes the engine more responsive and accelerates faster.

2. Superior Durability: Compared to traditional flat tappet designs, roller rocker arms reduce friction and wear. This leads to longer engine life and fewer required maintenance intervals.

3. Smoother Engine Operation: Roller rocker arms provide a more consistent valvetrain motion, leading to a smoother engine operation. This translates to a quieter engine and improved driving experience.

4. Improved Idle Stability: The DNA roller rocker arms provide better idle stability, which is essential for optimal engine performance and fuel efficiency.

5. Compatibility: The Chevy LS1 DNA Roller Rocker Arm Set (6840136501794) is compatible with various Speedmaster Outlet engines, ensuring a broad customer base.

1. Cost: The DNA roller rocker arm set is a premium aftermarket upgrade, and its cost might be a significant barrier for some buyers.

2. Installation Complexity: Installing the DNA roller rocker arms requires some mechanical expertise and specialized tools. This might be a challenge for those without experience in engine upgrades.

3. Potential Clearance Issues: In some Speedmaster Outlet applications, the DNA roller rocker arms may require clearance modifications to fit correctly. This could involve additional costs and time.

The Chevy LS1 DNA Roller Rocker Arm Set (6840136501794) offers numerous advantages, such as enhanced performance, superior durability, smoother engine operation, improved idle stability, and compatibility. However, it also comes with some disadvantages, like cost, installation complexity, and potential clearance issues.

Based on the analysis, we recommend this roller rocker arm set to those who prioritize performance, durability, and efficiency in their Speedmaster Outlet engines. It is a worthwhile investment for high-performance enthusiasts and professional mechanics. However, if you're on a tight budget or lack the necessary mechanical skills for installation, this might not be the best choice for you.

Instead, you may consider alternative upgrades that cater to your specific needs and budget. Always remember to consult with a professional mechanic before making any engine modifications.

Details:

Chevy GM LS1 Shaft 1.8 Ratio DNA Aluminum Roller Rocker Arms Set.

specifications rockeareng:

• for models: Ls1
• for makes: Chevy
• brand: Speedmaster
• type: 261 Rocker Arm
• upc: 840136501794

offer rockeareng:

• started: February 27, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0

shipping rockeareng:

• transit: 5-11 Days
• cost: $51.35
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery, FedEx Express Saver
• class: Standard, Expedited
• carrier: FedEx

general rockeareng:

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

returns rockeareng:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

payments rockeareng:

• wallet: Apple-pay
• credit card: Diners-club
• other

seller rockeareng:

• city: Rialto, California
• rating: 97.8%
• # reviews: 87718

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