MANLEY 99042-2 Valves Up Twincam Heads Race Master

( Brand: Manley ), ( Manufacturer Part Number: 99042-2 ), ( Engine Type: 4-stroke ), ( Type: Cylinder Head )

Review MANLEY Valves And Up Harley davidson Twincam Heads Race Master fits 2005

Introducing the Manley 99042-2 Race Master Intake Valves, specifically designed for 2005 and up Harley-Davidson Twin Cam heads. These high-performance valves are engineered to deliver exceptional power and durability for enthusiasts seeking to maximize the potential of their Harley-Davidson engine.

The 99042-2 Race Master Intake Valves are crafted from premium 316 stainless steel, ensuring superior corrosion resistance. Each valve is meticulously machined to exacting tolerances to ensure optimal sealing and flow. The valves feature a unique, flat-top design, which allows for the use of large, high-lift camshafts, enhancing engine performance and power output.

The valves come complete with titanium retainers and locknuts, reducing weight and increasing strength compared to stock components. The titanium retainers also provide better heat dissipation, reducing the likelihood of valve train failure under high-performance conditions.

The Manley 99042-2 Race Master Intake Valves are designed to work seamlessly with Harley-Davidson OEM cylinder heads, making installation straightforward for most Harley-Davidson enthusiasts. However, it is important to note that installing these valves requires the use of a valve job kit and the skills of a competent machine shop to properly seat the valves.

These high-performance valves are the perfect addition for Harley-Davidson enthusiasts looking to take their engine to the next level. With their superior materials, precise engineering, and flat-top design, the Manley 99042-2 Race Master Intake Valves deliver unmatched power, reliability, and performance for your Twin Cam engine.

Manley 99042-2 valves are aftermarket upgrades for Harley-Davidson's 2005 and up Twin Cam heads. These valves are designed to enhance engine performance and durability. Here are some pros and cons of investing in Manley 99042-2 valves for your Harley-Davidson motorcycle:

1. Enhanced Performance: Manley valves are designed to provide improved flow and better sealing, which can lead to increased power output and better throttle response.

2. Durability: Manley valves are made from high-quality materials, such as stainless steel and titanium, which can withstand the rigors of high-performance riding and extended use.

3. Improved Engine Life: The improved sealing and flow provided by Manley valves can help reduce engine wear and extend the life of your motorcycle's engine.

4. Customization: Manley valves offer a high level of customization, allowing riders to choose the specific valve size and material that best suits their performance goals.

5. Brand Reputation: Manley is a well-respected brand in the aftermarket performance parts industry, and their valves are known for their high quality and reliability.

1. Cost: Manley valves are more expensive than OEM valves, which can be a barrier to entry for some riders.

2. Installation Complexity: Installing aftermarket valves can be a complex and time-consuming process, requiring specialized tools and expertise.

3. Potential Compatibility Issues: While Manley valves are designed to be compatible with a wide range of motorcycles, there may be specific applications where they may not fit perfectly or may require additional modifications.

4. Risk of Damage: Installing aftermarket valves carries some risk of damage to the engine or other components during installation or use.

In conclusion, Manley 99042-2 valves offer significant performance and durability benefits for Harley-Davidson riders looking to enhance their motorcycle's engine. However, the higher cost and installation complexity may be a barrier for some riders. Ultimately, the decision to invest in Manley valves depends on your individual performance goals, budget, and level of mechanical expertise.

If you are comfortable with the installation process and are willing to invest in a high-quality aftermarket upgrade, then Manley valves can be a worthwhile investment for your Harley-Davidson Twin Cam engine. However, if you are on a tight budget or are not comfortable with the installation process, then you may want to consider other options or wait until you have more experience and resources.

Details:

New never fitted, old box sitting in my parts shelves, 1.900 race valves triple groove retainers.

part #: 990422 price

• $36.55

specifications cylindermotorcycleiz:

• for makes: Harley, Davidson
• for years: 2005
• brand: Manley
• mpn: 99042-2
• engine type: 4-stroke
• type: Cylinder Head

offer cylindermotorcycleiz:

• started: November 8, 2025
• best offers: True
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

returns cylindermotorcycleiz:

• policy: No Returns

seller cylindermotorcycleiz:

• rating: 100.0%
• city: Coatesville, Pennsylvania
• # reviews: 213

shipping cylindermotorcycleiz:

• type: Calculated
• cost: $14.90
• transit: 5-10 Days
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS

payments cylindermotorcycleiz:

• credit card: Discover
• wallet: Paypal
• other

general cylindermotorcycleiz:

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

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