SPEEDMASTER 1-261-035 Gm Shaft Mount Dna Steel Roller Rocker Arms 1.8

( Brand: Speedmaster ), ( Manufacturer Part Number: 1-261-035 ), ( Type: Rocker Arm ), ( Material: Stainless Steel )

Review SPEEDMASTER Chevy Gm Shaft Mount 1.8 Ratio Dna Stainless Steel Roller Rocker Arms fits LS1

The Chevy GM LS1 Shaft Mount 1.8 DNA Steel Roller Rocker Arms, part number 1-261-035 from Speedmaster, are a crucial upgrade for any performance-oriented Chevrolet LS1 engine. These roller rocker arms offer numerous advantages over the factory-installed parts, providing enhanced power output, improved engine efficiency, and superior durability.

Constructed from high-strength DNA steel, these roller rocker arms are designed to withstand the rigors of high-performance applications. The DNA steel alloy is renowned for its exceptional tensile strength, ensuring that these arms can handle the increased loads and pressures generated by performance modifications.

The 1.8 ratio of these roller rocker arms is specifically engineered to provide optimal valvetrain geometry for the LS1 engine. This ratio allows for more efficient valvetrain operation, resulting in improved combustion efficiency and increased power output. The roller design of the tips ensures smooth and consistent contact with the valves, reducing friction and wear, and further contributing to improved engine performance.

The shaft mount design of these roller rocker arms simplifies installation, requiring no need for individual pushrods. This design also eliminates the need for adjusting pushrods, ensuring consistent valvetrain geometry and maintaining optimal engine performance even under extreme conditions.

These roller rocker arms are a direct replacement for the factory-installed parts and are engineered to work seamlessly with the existing LS1 engine components. The hardened steel pushrods included with the kit are also a perfect match for the roller rocker arms, ensuring a complete and effective upgrade for your engine.

In summary, the Speedmaster 1-261-035 Chevy GM LS1 Shaft Mount 1.8 DNA Steel Roller Rocker Arms are a high-performance upgrade for your LS1 engine. They offer improved power output, enhanced durability, and simplified installation, making them an essential addition for any serious LS1 engine builder or performance enthusiast.

Pros and Cons of Buying Chevy LS1 Shaft Mount 1.8 DNA Steel Roller Rocker Arms (Speedmaster 1-261-035)

The Chevy LS1 engine is known for its power and performance. Upgrading its components, including the rocker arms, can enhance its capabilities further. Speedmaster 1-261-035 steel roller rocker arms are a popular choice among LS1 enthusiasts. In this article, we will discuss the pros and cons of buying these roller rocker arms.

1. Durability: DNA Steel roller rocker arms are made of high-quality material, ensuring durability and longevity. They are resistant to wear and tear, making them an excellent investment for those who want to ensure their LS1 engine runs smoothly for an extended period.

2. Performance: These roller rocker arms provide better valve control, resulting in improved engine performance. They help increase horsepower and torque, making the engine more responsive and powerful.

3. Compatibility: They are designed to fit Chevy LS1 engines, ensuring a perfect fit and easy installation.

1. Cost: DNA Steel roller rocker arms can be more expensive compared to stock or aftermarket alternatives. However, their durability and performance benefits justify the investment for many enthusiasts.

2. Installation: Installing these roller rocker arms may require some mechanical knowledge and skills. It is recommended to seek professional help or follow detailed instructions provided by the manufacturer to avoid any damage to the engine.

The Speedmaster 1-261-035 Chevy LS1 shaft mount 1.8 DNA Steel Roller Rocker Arms offer several advantages, including increased durability, improved performance, and perfect compatibility with Chevy LS1 engines. However, they come with a higher price tag and may require professional installation. Ultimately, the decision to invest in these roller rocker arms depends on an individual's budget, mechanical skills, and performance goals. If durability and performance are top priorities, these roller rocker arms may be worth the investment.

For those who want to upgrade their Chevy LS1 engine with high-performance and durable roller rocker arms, the Speedmaster 1-261-035 DNA Steel roller rocker arms are a great choice. However, it is recommended to ensure that the budget allows for the purchase and to consider seeking professional installation for optimal results.

Details:

Specs Brand: Speedmaster Part Number: 1-261-035 Type: Rocker Arm Mounting Style: Shaft Mount Ratio: 1.8 Full roller Shims Included: Yes Self-Aligning: No Body Standard Material: Stainless Steel Finish: Natural Quantity: Sold as a kit.

part #: 1261035 price

• $379.00

specifications rockeareng:

• for models: Ls1
• for makes: Chevy
• brand: Speedmaster
• mpn: 1-261-035
• type: Rocker Arm
• material: Stainless Steel

payments rockeareng:

• wallet: Paypal
• credit card: Diners-club
• other

general rockeareng:

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

offer rockeareng:

• quantity: 3
• sold: 0
• options: Ship-to-home
• started: December 19, 2025
• availability: In Stock

returns rockeareng:

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

shipping rockeareng:

• class: Economy
• cost: $0.00
• service: FedEx Ground Economy
• carrier: FedEx
• transit: 7-12 Days
• type: Fixed

seller rockeareng:

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

Speedmaster 1-261-035 Is Similar To:

• 1-261-001 Speedmaster Brand New Chevy (27.3% 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 (42.4% 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 (42.4% 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 (42.4% 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 (48.8% 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 (42.4% 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 (42.4% 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 (55.8% 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 (56.6% 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 (56.6% 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 (65.9% 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)