SPEEDMASTER 1-261-028 Shaft Mount Dna Steel Roller Rocker Arms 1.5

( Brand: Speedmaster ), ( Manufacturer Part Number: 1-261-028 ), ( Type: Rocker Arm ), ( Manufacturer Warranty: 1 Year ), ( Material: Stainless Steel )

Review SPEEDMASTER Chevy Sbc Shaft Mount 1.5 Ratio Dna Stainless Steel Roller Rocker Arms fits 350

Introducing the Speedmaster 1-261-028 Chevy 350 Shaft Mount 1.5 DNA Steel Roller Rocker Arms, designed to deliver superior performance and longevity for your classic Chevrolet engine. These roller rocker arms are engineered with meticulous precision, constructed from high-strength DNA steel to ensure unwavering durability and reliability.

The 1.5:1 ratio of these roller rocker arms is optimally designed for the Chevy 350 engine, delivering a balanced power output and enhancing the overall engine performance. The shaft mount design provides a robust and secure installation, while the roller rockers offer reduced friction compared to flat tappet designs, resulting in smoother engine operation and reduced wear and tear.

Each roller rocker arm features precision-machined rollers that glide effortlessly along the camshaft lobe, ensuring consistent valve timing and improved valve control. The roller tips are meticulously crafted using heat-treated steel to provide optimal contact with the valve stems, ensuring a reliable seal and minimizing the risk of leakage.

These roller rocker arms are an excellent upgrade for your classic Chevrolet engine, offering enhanced power, improved fuel efficiency, and extended engine life. They are easy to install, requiring no special tools or modifications, and are backed by the Speedmaster brand's commitment to quality and customer satisfaction. Upgrade your engine today with these top-of-the-line DNA Steel Roller Rocker Arms.

The Chevy 350 small-block engine is a popular choice for hot rods and performance applications due to its power and reliability. One upgrade that can enhance the engine's performance is the use of roller rocker arms, such as the Speedmaster 1-261-028 DNA steel roller rocker arms. In this analysis, we will discuss the pros and cons of using these specific roller rocker arms in a Chevy 350 engine.

1. Improved Valve Control: Roller rocker arms provide smoother valve control compared to traditional flat-tappet rocker arms. This leads to better engine performance and increased horsepower.

2. Reduced Wear: Roller rocker arms reduce wear on the valve train components, including the valves, pushrods, and rocker arms themselves. This results in longer engine life and less maintenance.

3. Quieter Operation: Roller rocker arms produce less noise than flat-tappet rocker arms, making for a quieter engine operation.

4. Easier Valve Adjustment: Roller rocker arms have a self-adjusting feature, which makes valve adjustment easier and less frequent.

5. High-Performance Applications: Roller rocker arms are often used in high-performance applications, such as racing or hot rods, to maximize engine power and efficiency.

1. Higher Cost: Roller rocker arms are generally more expensive than flat-tappet rocker arms. The Speedmaster 1-261-028 DNA steel roller rocker arms are no exception.

2. Limited Compatibility: Roller rocker arms are not compatible with all engines and applications. Be sure to check that they are suitable for your specific Chevy 350 engine before making a purchase.

3. Requires Specific Valve Springs: Roller rocker arms require specific valve springs that are designed for their use. This can add to the cost and complexity of the installation.

4. Installation Complexity: Installing roller rocker arms can be more complex than installing flat-tappet rocker arms. It is recommended that the installation be performed by a professional mechanic.

In conclusion, the Speedmaster 1-261-028 DNA steel roller rocker arms offer several advantages over traditional flat-tappet rocker arms, including improved valve control, reduced wear, quieter operation, easier valve adjustment, and high-performance applications. However, they also come with some drawbacks, such as a higher cost, limited compatibility, the need for specific valve springs, and a more complex installation process.

If you are looking for better engine performance and longer engine life in your Chevy 350, and you have the budget and the appropriate engine configuration for roller rocker arms, then the Speedmaster 1-261-028 DNA steel roller rocker arms are a recommended upgrade. If, however, you are working on a tight budget or if your engine configuration is not suitable for roller rocker arms, then it may be more cost-effective to stick with flat-tappet rocker arms.

It is important to remember that any engine upgrade should be carefully considered and researched before making a purchase. Consulting with a professional mechanic or engine builder can provide valuable insights and help ensure a successful upgrade.

Details:

Specs Brand: Speedmaster Part Number: 1-261-028 Type: Rocker Arm Mounting Style: Shaft Ratio: 1.5 Full roller Shims Included: Yes Self-Aligning: No Body Standard Material: Stainless Steel Finish: Natural Quantity: Sold as a kit.

part #: 1261028 prices

• $385.00-$404.21

specifications rockeareng:

• for models: 350
• for makes: Chevy
• brand: Speedmaster
• mpn: 1-261-028
• type: Rocker Arm
• manufacturer warranty: 1 Year
• material: Stainless Steel

offer rockeareng:

• availability: In Stock
• quantity: 3
• started: December 18, 2025
• sold: 0
• options: Ship-to-home

seller rockeareng:

• # reviews: 1731
• city: Rialto, California
• rating: 99.5%

shipping rockeareng:

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

returns rockeareng:

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

general rockeareng:

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

payments rockeareng:

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

Speedmaster 1-261-028 Is Similar To:

• 1-261-001 Speedmaster Brand New Chevy (27.1% similar) Actual product may vary from the pictures provided. Finally, they're black anodized you'll want to leave your valve covers off. Warranty is 12 months unless stated otherwise in the ad. Dna rocker arms also utilize oversized needle roller bearings for better load distribution and longer service life...(January 31st, 2018)
• 1-261-002 Speedmaster Dna Aluminum Roller Rocker Arm Set Small 012933015877 (42.1% similar) Dna stud-mount rockers are designed to withstand up 360-LB valve spring loads, and the extruded body has over 60,000 psi of tensile strength. 5BLACK anodized finish 16 package dna roller rocker arms are made from aircraft-quality, heat-treated aluminum and the toughest most innovative rockers that ...(June 29th, 2018)
• 1-261-003 Speedmaster Dna Aluminum Roller Rocker Arm Set Small 012933015891 (42.1% similar) Class medium-insert-embeds data-embed-type 5-VIDEO id STORY-SETTINGS-N9PZMB4QS7E width : Cal 55. Class medium-insert-embeds data-embed-type 5-VIDEO id STORY-SETTINGS-N9PZMB4QS7E width : Cal 60. Class medium-insert-embeds data-embed-type 5-VIDEO id STORY-SETTINGS-N9PZMB4QS7E width : Cal 66. Dna ...(April 1st, 2018)
• 1-261-004 Speedmaster Dna Aluminum Roller Rocker Arm Set Small 012933015907 (42.1% similar) 6BLACK anodized finish 16 package dna roller rocker arms are made from aircraft-quality, heat-treated aluminum and the toughest most innovative rockers that Speedmaster offers. Dna stud-mount rockers are designed to withstand up 360-LB valve spring loads, and the extruded body has over 60,000 psi of...(June 29th, 2018)
• 1-261-005 Speedmaster Chevy Bbc Dna Aluminum Roller Rocker Poly Locks Rod (50.9% similar) Specs: brand: Speedmaster part number: 1-261-005TYPE: roller rockers rocker arm mounting: stud rocker ratio: set comes with a push rod checker so you can purchase the right length rods for your motor. 7 ratio with 16 poly locks. Parts are aftermarket performance components designed to be used in ...(May 26th, 2018)
• 1-261-006 Speedmaster Dna Aluminum Roller Rocker Arm Set Small 012933015921 (42.1% similar) Dna stud-mount rockers are designed to withstand up 360-LB valve spring loads, and the extruded body has over 60,000 psi of tensile strength. Speedmaster dna aluminum roller rocker arm set small block ford arms are made from aircraft-quality, heat-treated and the toughest most innovative rockers ...(April 1st, 2018)
• 1-261-007 Speedmaster Dna Aluminum Roller Rocker Arm Set Small 012933015938 (42.1% similar) Class medium-insert-embeds data-embed-type 5-VIDEO id STORY-SETTINGS-N9PZMB4QS7E width : Cal 60. Class medium-insert-embeds data-embed-type 5-VIDEO id STORY-SETTINGS-N9PZMB4QS7E width : Cal 55. Speedmaster dna aluminum roller rocker arm set small block ford arms are made from aircraft-quality, ...(April 1st, 2018)
• 1-261-009 Speedmaster Holden Ratio Dna Aluminum Roller Rocker Arms Set (55.4% similar) Speedmaster aluminum stud-mount rockers can withstand valve spring loads up to 360IBS, the extruded body has a tensile strength of over 60,000 psi. Notes: studs and guide plates required to run roller rockers. 65 rocker arm style: full roller stud size: 7/1 6 in. Finally, they're black anodized you'...(October 5th, 2018)
• 1-261-015 Speedmaster Pontiac Ratio Dna Aluminum Roller Rocker Arms Set (56.3% similar) Crafted from certified aircraft-quality, heat-treated aluminum. While all care is taken, any errors or omissions in the item details unintentional. Warranty is 12 months unless stated otherwise in the ad. Actual product may vary from the pictures provided. Shims included:n self-aligning:n rocker arm...(October 5th, 2018)
• 1-261-016 Speedmaster Pontiac Ratio Dna Aluminum Roller Rocker Arms Set (56.3% similar) 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:1-261-016PART type:rocker arms rocker arm...(October 5th, 2018)
• 1-261-018 Speedmaster Chevy Sbc Shaft Ratio Dna Aluminum Roller Rocker Arms (69% similar) Actual product may vary from the pictures provided. 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, ...(October 5th, 2018)