SPEEDMASTER 1-261-017 Shaft Dna Roller Rocker Arms Set 1.5

( Brand: Speedmaster ), ( Manufacturer Part Number: 1-261-017 ), ( Type: Rocker Arm ), ( Manufacturer Warranty: 1 Year ), ( Material: Aluminum ), ( Finish: Anodized )

Review SPEEDMASTER Chevy Sbc Shaft 1.5 Ratio Dna Aluminum Roller Rocker Arms Set fits 350

Introducing the Speedmaster 1-261-017 Chevy 350 Shaft 1.5 DNA Roller Rocker Arm Set, an exceptional upgrade for your vintage or hot rod Chevrolet engine. This roller rocker arm set is meticulously engineered to deliver enhanced performance, durability, and reliability compared to traditional flat tappet rockers.

The DNA Roller Rocker Arms are characterized by their shaft-mounted design, which offers several advantages over traditional pushrod-mounted rockers. The arms are mounted on a central shaft, allowing for a more compact design and easier installation. Furthermore, the shaft-mounted design reduces the number of pushrods required, simplifying the engine's complexities and improving the overall aesthetics.

These roller rocker arms feature high-quality roller tips that minimize friction and contact between the rocker arms and the valve stems, resulting in smoother engine operation and increased horsepower. The rollers are also self-lubricating, which eliminates the need for periodic adjustments and maintenance, making them an ideal choice for high-performance applications.

The DNA Roller Rocker Arm Set is manufactured using precision CNC machining techniques and top-grade materials, ensuring a perfect fit and exceptional durability. Each arm is meticulously machined to ensure perfect balance and alignment, ensuring optimal engine performance.

Installation of the DNA Roller Rocker Arm Set is made easy with included hardware and detailed instructions. The set also includes new pushrods, making it a complete solution for upgrading your Chevrolet 350 engine's rocker arms.

In conclusion, the Speedmaster 1-261-017 Chevy 350 Shaft 1.5 DNA Roller Rocker Arm Set is an exceptional choice for enthusiasts looking to enhance the performance, durability, and reliability of their classic or hot rod Chevrolet engine. With its compact design, reduced pushrod count, and self-lubricating roller tips, this roller rocker arm set is a must-have upgrade for anyone serious about maximizing their engine's potential.

The Chevy 350 1.5:1 DNA Roller Rocker Arm Set for the Speedmaster 1-261 engine is a popular upgrade for performance enthusiasts. This set of roller rocker arms is designed to provide better valve control, improved engine breathing, and increased power output compared to standard flat tappet rocker arms. Here are some pros and cons of buying this roller rocker arm set:

1. Improved Valve Control: Roller rocker arms reduce friction and provide smoother valve operation compared to flat tappet rocker arms. This leads to better engine performance and improved fuel efficiency.

2. Increased Power Output: The improved valve control and reduced friction provided by roller rocker arms can lead to increased power output. Some users report gains of up to 10 horsepower with this upgrade.

3. Durability: Roller rocker arms are more durable than flat tappet arms due to their reduced wear and tear. This can lead to longer engine life and fewer maintenance costs in the long run.

1. Cost: Roller rocker arm sets like the Chevy 350 1.5:1 DNA Roller Rocker Arm Set can be quite expensive compared to standard flat tappet rocker arms. This may be a deterrent for some budget-conscious enthusiasts.

2. Installation Complexity: Installing a roller rocker arm set can be more complex than installing flat tappet rocker arms. It may require specialized tools and additional labor costs.

3. Compatibility: Ensure that the roller rocker arm set is compatible with your specific engine and transmission configuration. Some aftermarket parts may not be a direct fit and may require additional modifications.

In conclusion, the Chevy 350 1.5:1 DNA Roller Rocker Arm Set for the Speedmaster 1-261 engine can provide significant performance benefits, including improved valve control, increased power output, and durability. However, it comes with a higher cost, installation complexity, and the need for compatibility checks. If you are a performance enthusiast looking for significant power gains and durability, this roller rocker arm set may be worth the investment. However, if you are on a tight budget or are not concerned with significant power gains, standard flat tappet rocker arms may be a more cost-effective option. Ultimately, the decision to buy this roller rocker arm set depends on your specific needs, budget, and performance goals.

Details:

Finally, they're black anodized; you'll want to leave your valve covers off. Speedmaster Aluminum Shaft-Mount Rockers can withstand valve spring loads up to 700Ibs, the extruded body has a tensile strength of over 60,000 PSI. Crafted from certified aircraft-quality, heat-treated aluminum, they're matched to massive, precision-ground grunions for superior durability, and optimized rocker arm geometry evenly distributes the load maximum strength. Specs Brand: Speedmaster Part Number: 1-261-017 Type: Rocker Arm Product Line: Shaft Mount Mounting Style: Ratio: 1.5 Full roller Shims Included: Yes Self-Aligning: No Body Standard Material: Aluminum Finish: Black Anodized Quantity: Sold as a kit.

DNA rocker arms also utilize oversized needle roller bearings for better load distribution and longer service life.

part #: 1261017 prices

• $349.00-$384.11

specifications rockeareng:

• for models: 350
• for makes: Chevy
• brand: Speedmaster
• mpn: 1-261-017
• type: Rocker Arm
• manufacturer warranty: 1 Year
• material: Aluminum
• finish: Anodized

offer rockeareng:

• availability: In Stock
• quantity: 3
• options: Ship-to-home
• sold: 0
• started: December 22, 2025

returns rockeareng:

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

general rockeareng:

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

shipping rockeareng:

• carrier: FedEx
• class: Economy
• transit: 5-12 Days
• service: FedEx Ground Economy
• type: Fixed
• cost: $0.00

payments rockeareng:

• other
• credit card: Visa
• wallet: Apple-pay

seller rockeareng:

• city: Rialto, California
• # reviews: 1736
• rating: 99.5%

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