SPEEDMASTER 1-261-036 Gm Shaft Mount Dna Steel Roller Rocker Arms 1.7

( Brand: Speedmaster ), ( Manufacturer Part Number: 1-261-036 ), ( Type: Rocker Arm ), ( Manufacturer Warranty: 1 Year ), ( Material: Stainless Steel )

Review SPEEDMASTER Chevy Gm Shaft Mount 1.7 Ratio Dna Stainless Steel Roller Rocker Arms fits LS3

The Chevrolet GM LS3 engine is known for its powerful and high-performing capabilities, and one of the crucial components that contribute to its efficiency is the intake valvetrain system. The Speedmaster 1-261-036 roller rocker arms are an excellent upgrade for your LS3 engine, providing enhanced performance and durability.

These roller rocker arms are manufactured using top-quality DNA steel, a material renowned for its exceptional strength and resistance to fatigue. Compared to traditional flat tappet designs, roller rocker arms reduce friction, provide smoother operation, and reduce valvetrain noise.

The 1.7 ratio design of these roller rocker arms offers improved valve control, allowing for better airflow into the engine and more efficient combustion. This results in increased horsepower and torque output, enhancing the overall performance of your LS3 engine.

The shaft mount design of these roller rocker arms ensures a secure and stable installation, minimizing the risk of premature failure or damage. The roller tips on these arms are precision-machined to ensure a perfect fit and proper clearance, ensuring optimal performance and longevity.

The Speedmaster 1-261-036 roller rocker arms are a direct replacement for the factory units, making installation straightforward and hassle-free. They come complete with all necessary hardware, allowing you to upgrade your LS3 engine with confidence and ease.

In summary, the Speedmaster 1-261-036 roller rocker arms for the Chevrolet GM LS3 engine are a high-performance and durable upgrade that delivers increased horsepower and torque output. Manufactured using top-quality DNA steel and featuring a 1.7 ratio design, these roller rocker arms offer improved valve control and smoother operation, making them an excellent choice for any LS3 engine enthusiast looking to maximize the potential of their engine.

The Chevy GM LS3 engine is known for its high performance and power output. One of the upgrades that can be made to this engine is the use of shaft mount 1.7:1 DNA steel roller rocker arms, such as the Speedmaster 1-261-036. Here are some potential pros and cons of buying these rocker arms:

1. Increased Power and Efficiency: DNA roller rockers are designed to reduce friction and improve valvetrain efficiency. This results in improved power output and better engine response.

2. Durability: The DNA roller rocker arms are made from high-quality steel, making them more durable than stock arms. They are also designed to last longer due to their self-lubricating roller bearings.

3. Improved Valve Control: The 1.7:1 ratio of the DNA roller rocker arms provides better valve control, leading to improved engine performance and fuel efficiency.

4. Easy Installation: Shaft mount rocker arms like the Speedmaster 1-261-036 are easier to install than traditional camshaft-actuated rocker arms.

1. Cost: DNA roller rocker arms can be more expensive than stock arms.

2. Compatibility: These rocker arms may not be compatible with all LS3 engines, so it is important to ensure that they will fit before making a purchase.

3. Maintenance: While the DNA roller rocker arms are self-lubricating, they may still require occasional maintenance to ensure proper function.

The Speedmaster 1-261-036 shaft mount 1.7:1 DNA steel roller rocker arms can provide significant performance benefits for the Chevy GM LS3 engine. They offer improved power and efficiency, durability, and valve control. However, they can be more expensive than stock arms and may require occasional maintenance. It is important to ensure that these rocker arms are compatible with your specific LS3 engine before making a purchase.

If you are looking to maximize the performance of your Chevy GM LS3 engine, then investing in high-quality shaft mount 1.7:1 DNA steel roller rocker arms like the Speedmaster 1-261-036 can be a worthwhile investment. However, it is important to carefully consider the cost and compatibility factors before making a purchase. If you are unsure, it may be best to consult with a professional mechanic or engine builder to determine if these rocker arms are the right choice for your specific application.

Details:

Specs Brand: Speedmaster Part Number: 1-261-036 Type: Rocker Arm Mounting Style: Shaft Mount Ratio: 1.7 Full roller Shims Included: Yes Self-Aligning: No Body Standard Material: Stainless Steel Finish: Natural Quantity: Sold as a kit.

specifications rockeareng:

• for models: Ls3
• for makes: Chevy
• brand: Speedmaster
• mpn: 1-261-036
• type: Rocker Arm
• manufacturer warranty: 1 Year
• material: Stainless Steel

returns rockeareng:

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

seller rockeareng:

• rating: 99.4%
• # reviews: 1411
• city: Rialto, California

shipping rockeareng:

• transit: 5-11 Days
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• cost: $0.00
• carrier: FedEx

offer rockeareng:

• availability: In Stock
• quantity: 3
• options: Ship-to-home
• started: October 10, 2025
• sold: 0

general rockeareng:

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

payments rockeareng:

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

Speedmaster 1-261-036 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)