S-S CYCLE MN-NXT4 Cylinder Head Kit Reviews MN/NXT4S

( Brand: S-s Cycle ), ( Manufacturer Part Number: MN/NXT4 ), ( Type: Super Stock Cylinder Head Kit ), ( Color: Winkle Black ), ( Size: .640in. ), ( Compatible Year: 2005 2004 2003 2002 2001 2000 1999 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flhr Road King ), ( Bundle Description: 1 Pc Genuines S Cycle Super Stock Cylinder Head Kit ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review S CYCLE Scycle Mn/nxt4ssuper Stock Cylinder Head Kit Harley Davidson fits FLHR VP 1999–2005

Introducing the innovative Cycle MN/NXT4S Cylinder Head Kit, specifically designed for Harley-Davidson FLHR VP models manufactured between 1999 and 2005. This top-tier upgrade is an excellent choice for riders seeking enhanced engine performance and improved reliability.

The Cycle MN/NXT4S Cylinder Head Kit is a complete replacement solution for your motorcycle's aged or worn-out cylinder heads. Each kit includes four new cylinder heads, fully CNC-machined from high-quality aluminum alloy. The precise machining ensures perfect fitment and optimal engine clearance.

One of the most notable features of this cylinder head kit is its advanced design. The NXT4S heads incorporate four valves per cylinder, arranged in a DOHC (Double Overhead Camshaft) configuration. This setup allows for greater valve control and improved volumetric efficiency, leading to increased horsepower and torque.

The intake ports in the NXT4S cylinder heads have been meticulously designed to provide better flow and improved fuel atomization. This results in more efficient combustion and a smoother power delivery throughout the rev range. The exhaust ports have also been optimized for improved flow and scavenging, ensuring that spent gases are efficiently expelled from the engine.

The Cycle MN/NXT4S Cylinder Head Kit also includes new, high-performance stainless steel valves with a larger diameter. These valves offer improved flow characteristics and better temperature resistance, enhancing engine performance and durability.

Additionally, the kit includes new, high-performance camshafts. These cams offer increased lift and duration, providing better valve control and improved power output. The kit also includes new, high-performance valve springs and retainers to ensure proper valve function under all engine conditions.

The Cycle MN/NXT4S Cylinder Head Kit is a direct replacement for the original equipment on your Harley-Davidson FLHR VP. The installation process is straightforward, and the kit includes all necessary hardware for a hassle-free installation.

In summary, the Cycle MN/NXT4S Cylinder Head Kit is an excellent upgrade for your Harley-Davidson FLHR VP. With its advanced design, improved flow characteristics, and increased power output, this kit is sure to provide a noticeable improvement in engine performance and reliability.

Pros and Cons of Buying a Cycle One MN/NXT4S Cylinder Head Kit for 1999-2005 Harley-Davidson FLHR VP

The Cycle One MN/NXT4S cylinder head kit is a popular aftermarket upgrade for Harley-Davidson FLHR VP models from 1999 to 2005. This kit is designed to improve the engine's performance and durability. In this analysis, we will discuss the pros and cons of investing in this cylinder head kit.

1. Performance Enhancement: The MN/NXT4S cylinder head kit offers improved combustion efficiency, resulting in increased horsepower and torque. This upgrade can lead to a more responsive and exciting riding experience.

2. Durability: The aftermarket cylinder heads are manufactured using high-quality materials and advanced manufacturing processes, ensuring they can withstand the rigors of extended use. These heads can help prevent issues like warping, cracking, or melting that can occur in the stock heads.

3. Customization: The MN/NXT4S cylinder head kit provides an opportunity for customization. Harley-Davidson enthusiasts can choose from various options, such as ported or unported heads, depending on their desired performance levels and budget.

4. Compatibility: The kit is designed specifically for the 1999-2005 FLHR VP models, ensuring a perfect fit and minimal installation issues.

5. Warranty: Cycle One offers a limited lifetime warranty on their cylinder head kits, providing peace of mind to the purchaser.

1. Cost: The MN/NXT4S cylinder head kit is a significant investment, costing several hundred dollars. This price tag might be a deterrent for some Harley-Davidson riders.

2. Installation: Installing the new cylinder heads requires a fair amount of mechanical expertise. It may be a daunting task for those without experience in engine work.

3. Time: Installing the new cylinder heads is not a quick process. This upgrade can take several hours to complete, depending on the experience and skill level of the installer.

4. Tuning: After installing the new cylinder heads, the engine may require tuning to optimize performance. This additional step can add to the overall cost and complexity of the upgrade.

The Cycle One MN/NXT4S cylinder head kit offers several advantages, including enhanced performance, improved durability, customization options, and compatibility with specific Harley-Davidson models. However, it also comes with some drawbacks, such as cost, installation complexity, time commitment, and potential tuning requirements.

If you are a Harley-Davidson enthusiast seeking significant performance improvements and increased engine longevity, the MN/NXT4S cylinder head kit may be a worthwhile investment. However, if you are uncertain about your mechanical abilities or have limited budget, it might be wise to consider other upgrades or modifications.

Before purchasing the MN/NXT4S cylinder head kit, carefully evaluate your goals, budget, and mechanical abilities. Consider the potential benefits and challenges, and weigh them against your personal riding preferences. If you decide to proceed with the upgrade, ensure that you have access to the necessary tools, resources, and expertise to install the new cylinder heads correctly. Alternatively, you may consider seeking professional assistance from a Harley-Davidson dealership or experienced mechanic to ensure a successful installation.

Details:

Super Stock 79cc Cylinder Head Kit - .640in.Cycle Super Stock Cylinder Head Kit for 1999 - 2005 Harley Davidson FLHR Vp: Status: In.

part #: mnnxt4 price

• $1920.45

specifications cylindermotorcycleiz:

• for models: Flhr, Vp
• for makes: Harley, Davidson
• for years: 1999-2005
• brand: S-s Cycle
• mpn: Mn/nxt4
• type: Super Stock Cylinder Head Kit
• color: Winkle Black
• size: .640in.
• compatible year: 2005 2004 2003 2002 2001 2000 1999
• compatible make: Harley Davidson
• compatible model: Flhr Road King
• bundle description: 1 Pc Genuines S Cycle Super Stock Cylinder Head Kit
• core charge: Free No Core Charge
• fitment type: Direct Replacement

returns cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

• wallet: Apple-pay
• other
• credit card: Visa

seller cylindermotorcycleiz:

• city: Multiple warehouses
• rating: 98.7%
• # reviews: 17266

general cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: February 9, 2026

shipping cylindermotorcycleiz:

• service: Standard
• transit: 2-5 Days
• type: Fixed
• class: Standard
• cost: $0.00

S-s Cycle MN-NXT4 Is Similar To:

• 100-0480 Used Cycle Super Stock Cylinder Heads Black From (52.1% similar) Thees part number for these heads is this an old and no longer in catalog. The retail price on these heads is are not machined for compression releases because T111 uses easy start cams. These heads are specifically for the T111 I'm not sure they will fit any other motor. I do not make any money on ...(February 28th, 2018)
• Heads Stock Cycle 106-3227 Cylinder Silver 79cc (33.3% similar) Compare the microfiche for the USA model to your model to be sure they are the same. Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powder coat. 79CC heads work great with stock motors for 88 to 103CI motors 89CC heads work best for motors over 103CI ...(January 9th, 2015)
• Cylinder 106-3233 79cc Black Cycle Stock Heads (20.4% similar) Heads are machined for compression releases sold separately rocker boxes required when sings compression releases. Most slip on, bolt on and full system street exhausts, and rims and other large box items do not qualify for the combined shipping discount. 605 inch exhaust. Compare the microfiche for...(January 1st, 2015)
• Cylinder Black 89cc Stock Cycle 106-3240 Heads (20.4% similar) Note image may not be actual item and may differ depending on your vehicle fitment. Made in the us. Does not include rocker arm components, intake manifold, gaskets or deadbolts requires eight long oem length head bolts. Stock cylinder heads 89CC blacks super stock cylinder heads for twin cam 79CC...(December 30th, 2014)
• 106-4039 S Cycle Stock Bore (29.3% similar) Note: installation in flt model's requires oil line kit part, but the stock transmission cover may be used. Our phone number is. Expedited shipping with delivery confirmation is available. This occasionally happens, and is rare. For more details: motor city sports center, inc. Images are the ...(July 18th, 2017)
• 106-4570 Cylinder Cycle Heads Black Evo (29.7% similar) Port design increases flow, while maintaining velocity. Available in silver powder coat or black powder coat finish. Intake manifold and gasket kits are sold separately. 585 inch springs. Please with any questions or concerns and we'll be happy to help. The highest shipping price will not be ...(December 30th, 2014)
• 11-0401 S Cycle Super E (25% similar) Images are the manufacturer. This kit includes a teardrop air cleaner and manifold for engines with stock length cylinders. Manufacturer:s Cycle manufacturer number: fits: harley pinhead note: image shown is for reference only. For more details: motor city sports center, inc. Expedited shipping ...(June 6th, 2017)
• 11-0402 S Cycle Super E (25% similar) Manufacturer:s Cycle manufacturer number: fits: harley shovel head note: image shown is for reference only. Expedited shipping via USPS priority mail with delivery confirmation is available. For more details: motor city sports center, inc. Our phone number is. Images are the manufacturer. Expedited ...(May 21st, 2017)
• 11-0404 S Cycle E For (21.8% similar) Some images show accessories that are not included with the product. Motor city sports center, inc. This occasionally happens, and is rare. Fitment data may not list all model's and years that is 100 correct. Expedited shipping via USPS priority mail with delivery confirmation is available...(December 17th, 2017)
• 11-0407 S Cycle E For (21.8% similar) This image is a manufacturers photo and meant to be representative of the item listed. Expedited shipping via USPS priority mail with delivery confirmation is available. Some images show accessories that are not included with the product. This occasionally happens, and is rare. Motor city sports ...(January 14th, 2018)
• 11-0408 S Cycle E For (21.8% similar) This image is a manufacturers photo and meant to be representative of the item listed. Some images show accessories that are not included with the product. 875 super individual carburetors also available made in the us. Motor city sports center, inc. Note:s super carburetors require the use of a two...(January 14th, 2018)