APRILIA 8570224 Rear Cylinder Heat Engine Valve Spring RSV4R Intake Exhaust

( Manufacturer Part Number: 8570224 ), ( Part Type: Heat Valve Spring Intake Cylinder Engine Exhaust )

Review APRILIA Rear Cylinder Heat Engine Valve Spring Intake Exhaust fits 2009–2010

The **Aprilia RSV4 R 2010-2010 (Engine Code: 8570224)** is a meticulously engineered, high-performance component designed for enthusiasts seeking to restore or enhance the legendary reliability and exhilarating performance of one of the most iconic sportbikes of the early 2000s. This **rear cylinder heat engine valve spring assembly**, comprising the **intake and exhaust valve springs, retainers, and associated hardware**, is a critical element in maintaining the RSV4 R s legendary breathing efficiency and power delivery. Crafted from premium materials, this assembly ensures precise valve operation, optimal valve lift, and consistent compression, which are essential for unlocking the full potential of the RSV4 R s 998cc inline-four engine. The **intake valve spring** and **exhaust valve spring** are engineered with a progressive rate design, allowing for smooth, responsive valve movement under high RPM conditions while minimizing valve float critical for sustaining peak power output across the rev range. The **heat-treated valve springs** are built to withstand the extreme thermal and mechanical stresses of aggressive riding, ensuring durability even under sustained high-load conditions. Complementing the springs are **high-quality retainers and keepers**, precision-machined to fit seamlessly with the RSV4 R s cylinder head, reducing the risk of valve train wear or misalignment. This assembly is a direct replacement for the original components, maintaining OEM specifications to guarantee a perfect fit and seamless integration with the bike s existing valve cover, rocker arms, and pushrods. Whether restoring a classic RSV4 R to its factory glory or upgrading an existing build for improved performance, this **rear cylinder valve spring kit** delivers the reliability and precision needed to keep the engine running at its peak combining Aprilia s engineering heritage with modern performance standards.

### **Pros and Cons of Buying a 2010-2011 Aprilia RSV4 R (Engine Code 8570224)**

1. **Strong Performance** The RSV4 R is a high-performance sportbike with a 1,000cc inline-four engine producing around **160-170 hp** and **105 lb-ft of torque**, making it capable of aggressive riding and quick acceleration. The engine is based on Aprilia s proven RS line, which is known for reliability and tuning potential.

2. **Lightweight and Agile** The RSV4 R is one of the lighter sportbikes in its class, weighing around **170-180 kg (wet)**, which improves handling and maneuverability compared to heavier bikes like the GSX-R1000.

3. **Advanced Suspension and Braking** It features **Ohlins upside-down forks**, a **rear monoshock**, and **Brembo front brakes** (two 310mm discs with four-piston calipers), providing excellent stability and stopping power. The suspension is well-tuned for aggressive riding.

4. **Traction Control and Electronic Aids** The bike comes with **traction control, ABS, and a slipper clutch**, making it more manageable for both track and street use. The electronic aids help prevent wheelspin and improve control in high-power situations.

5. **Track-Oriented Design** The RSV4 R was developed with racing in mind, featuring a **low seat height ( 790mm)**, **aggressive aerodynamics**, and a **lightweight frame**, making it ideal for track days and sport riding.

6. **Aftermarket Support** As a popular sportbike, the RSV4 R has a strong aftermarket presence. You can find **performance exhausts, air intakes, ECU tuning, and suspension upgrades** to further enhance power and handling.

7. **Reliability (for its era)** The 1,000cc Aprilia inline-four engines are generally robust if maintained properly. The RSV4 R s engine is based on the same architecture as the RS and RS-R models, which are known for longevity with regular servicing.

8. **Resale Value** Aprilia s sportbikes hold their value reasonably well, especially well-maintained examples. The RSV4 R is still sought after by enthusiasts, which can be beneficial if you plan to sell it later.

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1. **Aging Technology** The RSV4 R is now **14-15 years old**, meaning some components (like electronics, suspension, and braking systems) may be outdated compared to modern bikes. The **ECU is basic by today s standards**, and advanced features like **adaptive suspension or advanced traction control** are lacking.

2. **Maintenance Costs** As a high-performance bike, the RSV4 R requires **regular and often expensive maintenance**. Key components like **Ohlins suspension, Brembo brakes, and the engine s internals** can be costly to replace if they wear out. Spark plugs, chains, and seals also need frequent attention.

3. **Fuel Economy** The RSV4 R is **not fuel-efficient** by modern standards, averaging around **12-15 km/l (18-22 mpg)** in real-world riding. This can add up to higher running costs, especially if you ride frequently.

4. **Comfort Limitations** While the bike is lightweight and nimble, it is **not ideal for long-distance touring**. The **narrow seat, upright riding position, and lack of wind protection** make it uncomfortable for extended rides. If you need a bike for daily commuting or long trips, this is not the best choice.

5. **Parts Availability and Cost** While Aprilia still produces some parts, **long-term availability can be an issue**. Some components (especially suspension and braking parts) may become harder to find as the bike ages. Prices for genuine parts can also be **high compared to more modern bikes**.

6. **Electronics and Upgrades** The bike s **ECU is not easily programmable** compared to modern bikes with **full-featured aftermarket tuning**. While you can tune it, the process is more limited than on newer models with **standalone ECUs or connected systems**.

7. **Weight Distribution** Despite being lightweight, the **engine is heavy**, which can make the bike feel **less balanced** than some competitors (e.g., the Yamaha R1 or Suzuki GSX-R1000). This can affect handling in certain situations.

8. **Noise and Vibration** The inline-four engine can be **loud and vibrate more than modern smooth engines**, especially at higher RPMs. This may not bother some riders but could be a drawback for those sensitive to noise.

9. **Limited Modern Safety Features** Compared to newer bikes, the RSV4 R lacks **advanced rider aids** like **cornering ABS, adaptive suspension, or connected diagnostics**. While it has **ABS and traction control**, these systems are not as refined as those on modern sportbikes.

10. **Depreciation** Like most bikes over 10 years old, the RSV4 R will continue to **lose value over time**. If you plan to keep it long-term, you may not recover much resale value unless it s in **excellent condition**.

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The **2010-2011 Aprilia RSV4 R (engine code 8570224)** is a **fantastic sportbike for its time**, offering **high performance, lightweight handling, and track-focused capabilities**. It remains a **great choice for enthusiasts who prioritize raw power, agility, and the thrill of sport riding**, especially if they are willing to invest in maintenance and potential upgrades.

However, **it is not ideal for daily commuting, long-distance riding, or those seeking modern convenience features**. If you are looking for a **track-day bike, a project for tuning, or a high-performance street bike with a cult following**, the RSV4 R is an excellent option **provided you are prepared for higher maintenance costs and the challenges of an aging platform**.

For **casual riders, those who prioritize comfort, or those who want the latest technology**, a **newer sportbike (e.g., Yamaha R1, Suzuki GSX-R1000, or Kawasaki Ninja ZX-10R)** would be a better long-term investment.

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You are an **enthusiast who loves sportbikes and is willing to maintain it properly**.

You plan to **ride it mostly on the track or in aggressive sport riding**.

You enjoy **tuning and modifying** the bike for better performance.

You have **access to a garage and mechanical skills** (or a trusted mechanic).

You are okay with **higher running costs** compared to a modern bike.

You need a **daily commuter or long-distance touring bike**.

You want **modern electronics, advanced safety features, or fuel efficiency**.

You are **not prepared for regular maintenance and potential repairs**.

You prefer **a more comfortable riding position** (e.g., Yamaha R1 or Ducati Panigale).

You want **better long-term resale value** (newer bikes depreciate slower).

The **RSV4 R is a fantastic bike for the right rider** one who appreciates its **raw power, track potential, and Aprilia s engineering heritage**. However, it is **not a plug-and-ride machine** and requires **attention to detail** to keep it running smoothly. If you are **passionate about sportbikes and willing to put in the effort**, it remains one of the best **premium sportbikes** from its era. For everyone else, a **newer model with modern refinements** may be a smarter choice.

Details:

part #: 8570224 prices

• $49.99-$322.50

specifications valvemotorcycleaz:

• for makes: Aprilia
• for years: 2009-2010
• mpn: 8570224
• part type: Heat Valve Spring Intake Cylinder Engine Exhaust

shipping valvemotorcycleaz:

• type: Fixed
• carrier: USPS
• service: USPS Priority Mail
• class: Expedited
• transit: 4-8 Days
• cost: $0.00

seller valvemotorcycleaz:

• city: Anaheim, California
• rating: 100.0%
• # reviews: 99479

returns valvemotorcycleaz:

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

general valvemotorcycleaz:

• condition: Used
• Engines Engine Parts > Valvetrain Components > Engine Valves

offer valvemotorcycleaz:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: May 10, 2026
• availability: In Stock

payments valvemotorcycleaz:

• other
• credit card: Mastercard
• cash
• wallet: Apple-pay

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