1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12575099824102633
  3. CYCLE MN/RA31

S-S CYCLE MN-RA31 Forged Roller Rocker Arms Flstsb Reviews MN/RA31S

fits make: Harley, Davidson. year: 2008–2011.

Ra31 S&s Cycle Mn/ra31 Forged Roller Rocker Arms For 2008-2011 Harley Davidson Flstsb Sw

( Brand: S-s Cycle ), ( Manufacturer Part Number: MN/RA31 ), ( Type: Forged Roller Rocker Arms ), ( Compatible Year: 2011 2010 2009 2008 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flstsb Cross Bones ), ( Bundle Description: 1 Pc Genuines S Cycle Forged Roller Rocker Arms ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review S CYCLE Scycle Mn/ra31sforged Roller Rocker Arms Harley Davidson Flstsb fits 2008–2011

Introducing the MN/RA31S Forged Roller Rocker Arms, a high-performance upgrade for your 2008-2011 Harley-Davidson FLSTSB Swinger model motorcycle. These rocker arms are manufactured by Cycle MN, a renowned name in the Harley-Davidson aftermarket parts industry, known for their commitment to quality and performance.

The MN/RA31S Forged Roller Rocker Arms are CNC-machined from a solid billet of high-strength aluminum alloy, ensuring precise fitment and unmatched durability. The forged design provides superior strength and rigidity, allowing for increased power output and improved engine response.

These rocker arms feature roller bearings, which reduce friction and wear compared to traditional taper-bore designs. The roller bearings are sealed, protecting them from the elements and ensuring a long lifespan. The use of roller bearings also reduces the amount of valve lash required, leading to a smoother running engine.

The MN/RA31S Forged Roller Rocker Arms come with factory-matched pushrods and are designed to work with Harley-Davidson's stock camshafts. They are easy to install, requiring no modifications to the engine or cylinder heads. The kit includes all necessary hardware and instructions for a hassle-free installation.

These rocker arms are a popular choice among Harley-Davidson enthusiasts and performance tuners looking to enhance the power and reliability of their motorcycle. They are ideal for riders who want to take their bike to the next level, whether it be for weekend cruises or track days.

In summary, the MN/RA31S Forged Roller Rocker Arms by Cycle MN are a high-quality, high-performance upgrade for your 2008-2011 Harley-Davidson FLSTSB Swinger model motorcycle. They are CNC-machined from solid billet aluminum, feature roller bearings for reduced friction and wear, and are easy to install with no modifications required. Order yours today and experience the power and reliability upgrade for your Harley-Davidson.

Buying forged roller rocker arms (MN/RA31S) for a 2008-2011 Harley-Davidson FLSTSB Sw (Softail Breakout) can be an intriguing decision for Harley enthusiasts seeking improved engine performance. These aftermarket parts offer several potential benefits, along with certain considerations.

Pros:

1. Enhanced Power: Forged roller rocker arms can provide better valve control, leading to improved combustion efficiency and increased horsepower.

2. Durability: Forged roller rocker arms are typically stronger than stock arms, reducing the risk of failure or wear, especially in high-performance riding situations.

3. Smoother Operation: The roller design of these parts reduces friction between the rocker arms and the valve train, resulting in a smoother engine operation.

4. Customization: Forged roller rocker arms are a popular upgrade among Harley enthusiasts, making your motorcycle stand out from the crowd.

Cons:

1. Cost: Forged roller rocker arms are generally more expensive than stock parts. The price difference may be significant, especially for those on a budget.

2. Installation Complexity: Installing forged roller rocker arms can be a challenging process, requiring specialized tools and technical expertise. Incorrect installation can lead to various issues.

3. Compatibility: Ensure the forged roller rocker arms are compatible with your specific motorcycle model and year. In some cases, there might be additional modifications needed for proper installation.

Conclusion:

Buying forged roller rocker arms (MN/RA31S) for a 2008-2011 Harley-Davidson FLSTSB Sw can offer enhanced power, durability, smoother operation, and a unique custom look. However, these benefits come with a higher cost, installation complexity, and potential compatibility concerns.

Before making a purchase, consider the following steps:

1. Thoroughly research the product and its compatibility with your motorcycle.

2. Check if the installation can be done at a local shop or if you have the necessary skills and tools to do it yourself.

3. Evaluate the cost-benefit analysis, considering the potential performance gains and the expense.

Recommendation:

If you're an avid Harley enthusiast seeking increased performance and durability, investing in forged roller rocker arms (MN/RA31S) for your 2008-2011 Harley-Davidson FLSTSB Sw could be a worthwhile upgrade. However, make sure you have the necessary resources, skills, and compatibility information before making the purchase. It's always a good idea to consult with a professional mechanic to help you through the decision-making process.

Details:

Cycle Forged Roller Rocker Arms for 2008 - 2011 Harley Davidson FLSTSB sw: Status: In Stock.

part #: mnra31 prices

  • $54.36-$744.39

specifications cylindermotorcycleiz:

  • for makes: Harley, Davidson
  • for years: 2008-2011
  • brand: S-s Cycle
  • mpn: Mn/ra31
  • type: Forged Roller Rocker Arms
  • compatible year: 2011 2010 2009 2008
  • compatible make: Harley Davidson
  • compatible model: Flstsb Cross Bones
  • bundle description: 1 Pc Genuines S Cycle Forged Roller Rocker Arms
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

seller cylindermotorcycleiz:

  • # reviews: 11006
  • city: Multiple warehouses
  • rating: 97.3%

shipping cylindermotorcycleiz:

  • type: Fixed
  • service: Standard
  • cost: $0.00
  • transit: 3-5 Days
  • class: Standard

general cylindermotorcycleiz:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

offer cylindermotorcycleiz:

  • started: September 27, 2025
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • sold: 0

returns cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

  • wallet: Paypal
  • credit card: Diners-club
  • other
for makes: harley, davidson, for years: 2008-2011, type: forged roller rocker arms, compatible year: 2011 2010 2009 2008, compatible make: harley davidson, compatible model: flstsb cross bones, bundle description: 1 pc genuines s cycle forged roller rocker arms, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, sku: 12575099824102633,
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2 offers $54.36–$744.39 USD
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