1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 14351544324060008
  3. HARLEY DAVIDSON 310-0939

HARLEY-DAVIDSON Milwaukee Cam Plate 310-0939A 310-0939S

fits model: M8. make: Harley.

310-0939a Harley-davidson 310-0939 S&s M8 Milwaukee Eight Cam Plate

( Brand: Harley-davidson ), ( Manufacturer Part Number: 310-0939 ), ( Part Type: Cam Plate )

Review HARLEY DAVIDSON 310-0939sm8 Milwaukee Eight Cam Plate fits M8

The Harley-Davidson 310-0939S M8 Milwaukee Cam Plate, also known as the 310-0939A and 310-0939, is a crucial component in the performance enhancement of certain Harley-Davidson engines. This cam plate is specifically designed for the Evolution Series 883cc and 1200cc engines, and is an essential upgrade for those seeking improved power and torque.

This cam plate is meticulously crafted from high-strength steel, ensuring durability and reliability. It features a unique Milwaukee cam design, which alters the camshaft's lobes to provide increased lift and duration. This results in a more efficient intake and exhaust valve operation, leading to enhanced power output and a smoother, more responsive engine.

The Harley-Davidson 310-0939S M8 Milwaukee Cam Plate is a direct replacement for the stock cam plate, making installation a straightforward process for even the most novice of motorcycle enthusiasts. It is compatible with various engine configurations, including those with factory and aftermarket heads, and can be used with both stock and performance camshafts.

It is important to note that the installation of this cam plate may require additional modifications to the engine, such as adjusting the timing or clearancing the valves. It is strongly recommended that this work is carried out by a qualified motorcycle mechanic to ensure optimal performance and to minimize the risk of engine damage.

The Harley-Davidson 310-0939S M8 Milwaukee Cam Plate is a significant investment for any Harley-Davidson enthusiast looking to take their motorcycle's performance to the next level. With its Milwaukee cam design, high-strength steel construction, and compatibility with various engine configurations, this cam plate is an essential upgrade for those seeking increased power, torque, and an improved riding experience.

Pros and Cons of Buying Harley-Davidson M8 Milwaukee Cam Plate (310-0939s, 310-0939a, 310-0939)

The Harley-Davidson M8 Milwaukee Cam Plate (310-0939s, 310-0939a, 310-0939) is a popular aftermarket upgrade for Harley-Davidson engines. This component is designed to improve engine performance and power. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this cam plate.

Pros:

1. Enhanced Performance: The primary reason for purchasing this cam plate is to improve engine performance. It offers increased power output, better throttle response, and smoother idle.

2. Customization: By upgrading to the M8 Milwaukee Cam Plate, you can personalize your Harley-Davidson engine and distinguish it from other bikes.

3. Durability: Harley-Davidson components are known for their durability, and this cam plate is no exception. It is made of high-quality materials, ensuring a long lifespan.

4. Fit and Finish: The M8 Milwaukee Cam Plate is designed to fit perfectly into your Harley-Davidson engine, ensuring a seamless installation process.

5. Improved Sound: The cam plate can contribute to a more desirable engine sound, which is a significant factor for many Harley-Davidson enthusiasts.

Cons:

1. Cost: Upgrading to an M8 Milwaukee Cam Plate can be expensive. Consider the cost of the cam plate itself, as well as any additional labor or parts required during the installation process.

2. Complex Installation: Installing the cam plate can be a complex process, requiring specialized tools and knowledge. It may be best to have it installed by a professional mechanic to ensure proper installation and avoid any potential issues.

3. Potential Engine Noise: Some users have reported increased engine noise after installing the cam plate. This can be a desirable feature for some, but it may not be suitable for all riding environments or personal preferences.

Conclusion:

The Harley-Davidson M8 Milwaukee Cam Plate (310-0939s, 310-0939a, 310-0939) offers several advantages, including enhanced performance, customization, durability, fit and finish, and improved sound. However, it also comes with disadvantages such as cost, complex installation, and potential engine noise.

Recommendation:

If you are a serious Harley-Davidson enthusiast looking for improved performance and a unique look, the M8 Milwaukee Cam Plate may be a worthwhile investment. However, it is essential to consider the cost, installation complexity, and potential engine noise before making a purchase. If you are unsure about the installation process or have limited mechanical knowledge, it may be best to consult a professional mechanic for advice.

Details:

Scam plate new in box's.

part #: 3100939 prices

  • $249.00-$379.95

specifications cylindermotorcycleiz:

  • for models: M8
  • for makes: Harley
  • brand: Harley-davidson
  • mpn: 310-0939
  • part type: Cam Plate

payments cylindermotorcycleiz:

  • other
  • credit card: Visa
  • wallet: Paypal

general cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

  • carrier: USPS
  • type: Fixed
  • class: Standard
  • service: USPS Ground Advantage
  • cost: $20.00
  • transit: 7-11 Days

offer cylindermotorcycleiz:

  • started: May 23, 2026
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • best offers: True
  • options: Ship-to-home

seller cylindermotorcycleiz:

  • # reviews: 137
  • rating: 93.5%
  • city: Deer Park, Texas

returns cylindermotorcycleiz:

  • policy: No Returns
for models: m8, for makes: harley, part type: cam plate,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, sku: 14351544324060008,
Harley-davidson 310-0939 Is Similar To:
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5 offers $249.00–$379.95 USD
  • New. Offer #1 priced at $300.00 + $20.00 shipping estimate = $320.00* total. s&s cam plate new in box.+$20.00 shipping
  • New. Offer #2 priced at $379.95 + $0.00 shipping estimate = $379.95* total. 2023 fits H-D FXBR Breakout 117. 2017 fits H-D FLS Softail Slim.FREE SHIPPING
  • Used. Offer #3 priced at $249.00 + $0.00 shipping estimate = $249.00* total. Shipped with USPS First Class. S&S Cam Plate Oil Cooled 2017-2023 M8 Harley HD Touring/Softail - 330-0939A.FREE SHIPPING
  • New. Offer #4 priced at $379.94 + $0.00 shipping estimate = $379.94* total. We re happy to step in and get the ball rolling. Will fit M8 with VVT.FREE SHIPPING
  • New. Offer #5 priced at $406.95 + $0.00 shipping estimate = $406.95* total. Precision Machined from Billet Aluminum.FREE SHIPPING

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