HARLEY-DAVIDSON 16426-06K Rear Cylinder Head Camshaft Vrscd 858 Vrscr

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16426-06K ), ( Part Type: Cylinder Head Camshaft ), ( Country Of Origin: United States )

Review HARLEY DAVIDSON #858 Rear Cylinder Head Camshaft Vrscd Vrscr fits 2006–2007

The **Harley-Davidson 16426-06K 858 Rear Cylinder Head Camshaft** is a precision-engineered component designed exclusively for the **2006-2007 VRSCD and VRSCR models**, featuring the iconic **858cc Evolution engine**. This aftermarket part is meticulously crafted to ensure optimal performance, reliability, and longevity, making it a sought-after upgrade for enthusiasts and mechanics alike. The camshaft is engineered to enhance the breathing capacity of the engine, allowing for improved airflow and better throttle response, which translates to a more engaging and spirited ride. Built with high-quality materials and subjected to rigorous testing, this component is designed to withstand the demands of high-performance riding, whether cruising on open highways or navigating tight city streets. The **858cc Evolution engine** in these models is renowned for its smooth power delivery and classic Harley-Davidson sound, and this camshaft plays a crucial role in maintaining and amplifying those signature characteristics. Whether you're looking to fine-tune your bike for better performance or restore it to factory specifications, this camshaft is a critical piece that ensures the engine runs at its peak efficiency. Its compatibility with the **2006-2007 VRSCD and VRSCR** models guarantees a seamless fit, allowing for easy installation and minimal hassle. Investing in this part is not just about upgrading your bike it s about preserving and enhancing the legacy of Harley-Davidson engineering, ensuring that every ride is as powerful and satisfying as the first.

### **Pros and Cons of Buying a Harley-Davidson 2006-2007 VRSCD/VRSCR (Part #16426-06K) Rear Cylinder Head & Camshaft**

1. **Common and Widely Available**

The 2006-2007 VRSCD/VRSCR (Sportster) uses a relatively common engine configuration, meaning parts like the cylinder head and camshaft are easier to source than those from less popular Harley models. This reduces the risk of long wait times or high prices for replacements.

2. **Proven Reliability**

The VRSCD/VRSCR engine, based on the Evolution platform, is known for durability when properly maintained. The cylinder head and camshaft are designed to last with regular servicing, making this a solid choice for a mid-range Harley.

3. **Lower Cost Compared to V-Twin Models**

The VRSCD/VRSCR is a single-cylinder engine, which means it is significantly cheaper to repair and maintain than Harley s more expensive V-Twin models (e.g., Sportster 883, Softail, or Touring bikes). Labor costs and part prices are generally lower.

4. **Easy to Modify and Upgrade**

The simplicity of the single-cylinder design allows for straightforward modifications, such as porting the cylinder head, upgrading the camshaft for better performance, or installing aftermarket exhaust systems. This makes it a good option for riders looking to customize their bike without a major investment.

5. **Good for Beginners or Casual Riders**

The VRSCD/VRSCR is a lightweight and nimble bike, making it ideal for urban commuting, short rides, or riders new to Harley-Davidsons. Its smaller size and lower power output (around 40-50 hp) make it easier to handle than larger V-Twin models.

6. **Potential for Performance Gains**

With the right modifications (e.g., a higher-lift camshaft, upgraded carburetor, or fuel injection), the VRSCD/VRSCR can be tuned for better throttle response and power. The stock camshaft (part #16426-06K) is a good starting point, but aftermarket options exist for those looking to enhance performance.

7. **Lower Insurance and Registration Costs**

Due to its lower power and smaller engine size, insurance and registration fees for a VRSCD/VRSCR are typically cheaper than for larger Harley models.

---

1. **Limited Power and Torque**

The single-cylinder engine produces significantly less power (around 40-50 hp) compared to Harley s V-Twin engines (which can range from 60-130 hp). This means the bike may feel underpowered for highway cruising or long-distance riding, especially in higher gears.

2. **Poor High-Speed Stability**

The VRSCD/VRSCR is not designed for sustained high-speed riding. The single-cylinder engine struggles with smoothness at higher RPMs, leading to noticeable vibrations and a lack of refinement. This can make long highway rides uncomfortable compared to V-Twin models.

3. **Fuel Efficiency is Average**

While the VRSCD/VRSCR is more fuel-efficient than most Harleys (around 40-50 mpg), it is not as efficient as modern single-cylinder bikes from other manufacturers (e.g., Honda CB500 or Yamaha MT-07). The carbureted or fuel-injected system (depending on model year) can also be less efficient than modern fuel-injected engines.

4. **Outdated Technology**

The 2006-2007 VRSCD/VRSCR uses a carbureted or early fuel-injection system (depending on the specific model), which is less efficient and more prone to issues than modern fuel-injected engines. Throttle response can be sluggish, and tuning may require manual adjustments.

5. **Limited Aftermarket Support**

While parts are available, the aftermarket for the VRSCD/VRSCR is not as extensive as for V-Twin models. Finding high-quality aftermarket cylinder heads, camshafts, or performance parts may require more effort or higher prices compared to more popular Harleys.

6. **Potential for Common Issues**

- **Camshaft and Lifter Wear:** Over time, the camshaft and lifters can wear out, leading to rough idle, misfires, or loss of power. Replacing the camshaft (part #16426-06K) and lifters is a common maintenance task.

- **Carburetor or Fuel System Problems:** If the bike is carbureted, tuning and maintenance can be finicky. Fuel-injected models may suffer from sensor failures or fuel pump issues.

- **Exhaust and Vibration Issues:** The single-cylinder exhaust can be loud and may require muffler upgrades. Vibrations from the engine can also be noticeable, especially at higher speeds.

7. **Resale Value is Low**

The VRSCD/VRSCR holds its value poorly compared to other Harleys. Its niche appeal and limited power make it less desirable for resale, so buyers should expect a lower return on investment if they decide to sell later.

8. **Not Ideal for Long-Distance Riding**

The lack of power, poor high-speed stability, and uncomfortable seating position make the VRSCD/VRSCR a poor choice for long-distance touring. Riders looking for a comfortable, high-mileage bike should consider a V-Twin model like the Sportster 883 or a Touring bike.

---

The **Harley-Davidson 2006-2007 VRSCD/VRSCR rear cylinder head and camshaft (part #16426-06K)** is a practical and affordable choice for riders who prioritize simplicity, ease of maintenance, and lower costs over power and performance. It is well-suited for urban commuting, casual riding, or as a beginner-friendly Harley. However, it is not ideal for riders seeking high-speed stability, long-distance comfort, or significant power.

If you are buying this part for a **rebuild or upgrade**, it is a solid, reliable component that can be easily sourced and installed. If you are considering purchasing the **entire bike**, weigh the trade-offs: the VRSCD/VRSCR is fun, lightweight, and easy to work on but lacks the refinement and power of V-Twin Harleys.

---

- You are restoring or modifying a 2006-2007 VRSCD/VRSCR and need a genuine OEM replacement.

- You want a cost-effective way to improve engine performance or smoothness.

- You prefer the simplicity of a single-cylinder Harley and are okay with its limitations.

- You want more power, better high-speed stability, or a smoother ride. In this case, a **Sportster 883, Softail, or Touring bike** would be a better choice.

- You plan to ride long distances frequently. The VRSCD/VRSCR is not designed for comfort or efficiency on highways.

- You want better aftermarket support and higher resale value. V-Twin models have a larger parts market and hold value better.

For most riders looking for a **modern, powerful, and comfortable Harley**, a V-Twin model is the better investment. However, if you love the classic Sportster feel and don t mind its quirks, the VRSCD/VRSCR remains a fun and affordable option. Always ensure the bike is well-maintained and consider a performance tune-up if you plan to modify it.

Details:

What To Expect. Ship Carriers used are USA Postal Servo Ce's, FedEx. VRSCR STREET ROD - 105. Please research and make sure this is the correct part for your machine.

All parts are marked from the riding position. This item listed may fit other makes, model's, and years. Free shipping in the US only. 2006 Harley-Davidson Night Rod.

These pictures are of the actual item for sale. This part is used. And marked for PARTS or NOT WORKING in item condition. VRSCD NIGHT ROD - 105.

Part Numbers Are Provided to make this easier on you. This Part Was Removed From. VRSCA V-ROD - 105.

part #: 1642606k prices

• $328.49-$596.88

specifications cyclevintagee:

• for makes: Harley
• for years: 2006-2007
• brand: Harley-davidson
• mpn: 16426-06k
• part type: Cylinder Head Camshaft
• country of origin: United States

offer cyclevintagee:

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

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

shipping cyclevintagee:

• transit: 5-10 Days
• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• cost: $0.00
• carrier: USPS

returns cyclevintagee:

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

payments cyclevintagee:

• other
• credit card: Discover
• wallet: Paypal

seller cyclevintagee:

• city: Port Saint Lucie, Florida
• rating: 99.9%
• # reviews: 4145

Harley-davidson 16426-06K Is Similar To:

• 1 16772-67p 16775-67p Aermacchi Harley Shortster Cylinder Base Head Gaskets Amf (34.7% similar) Very hard to find. Shipping cost lower 48. In good condition, will fit all 1967 thru 1972 , M-65CC leggier, shortest model's...(July 24th, 2018)
• 1 16776-70m 1 16763-70m Aermacchi Harley Baja Base Head Gasket Amf (26% similar) Will fit 1970 thru 1973 baa model's. Very hard to find...(September 9th, 2018)
• 1 27125-70p 1 Aermacchi Harley-davidson 1970 Harley Rapido-125cc (32.9% similar) Carb dirty needs rebuild probably has been sitting for years as pictured any questions ask thanks...(February 25th, 2018)
• 265-24 265-24 Harley Davidson 1924 Dcb (28.6% similar) Part 1LB OS set of rings fits 1924 to motors there is no rust 1937 twins compression 4 per box offer for 2 boxes. 1924 CB motors new old stock in box piston rings...(January 4th, 2018)
• 33701-71a 33701-71a Harley-davidson Sportster-xlch New Old (31.5% similar) Sportswear-zilch new old stock sprocket assembly. It is original harley and fits. Part 71A 10LBS. This is for kick and electric start. This is hard to find...(November 15th, 2017)
• 3371-36 3371-36 Harley-davidson Harley Davidson Throttle (36.1% similar) This is a throttle cable bracket for 1936-UP harley Davidson's. I also have one un chromed. It has been chromed...(November 25th, 2017)
• 41483-66p Dixie Nos Harley Davidson Aermacchi Tooth Wheel Sprocket (32.5% similar) Harley davidson armchair rear sprocket 27 65P later new old stock...(June 5th, 2018)
• 41650-58 Harley Panhead Genuine Original Hydraulic Rear Backing Plate Nr (26.3% similar) Harley pinhead genuine original hydraulic rear backing plate NR...(March 5th, 2018)
• 46050-59a 46050-59a Harley-davidson Topper New Old (31.9% similar) Topper new old stock in box front fork spring kit original end fits there is no rust comes with bolt and spacer great. Part 59A 2LB...(December 25th, 2017)
• 62129-75 Harley Davidson Gas Petcock (30.6% similar) Going through boxes listing as they come out. Will combined ship. Fuel line straight down. More to come. Needs a good cleaning came off original mid 70S preclude tank single passages are, has factory nut and filter. Selling all harley parts packed away 20 yrs ago...(July 23rd, 2017)
• 6524 X 19 6524 Harley-davidson Harley (32% similar) Do not pay before I have a chance to box and weigh. Genuine original nos x 19 1/6 4, plain steel washers. Thanks, zeal. All questions answered within 24 hours. I ship worldwide. Also work great for chiming motor mounts. I will use USPS and ship the cheapest way possible...(September 14th, 2017)