PORSCHE 9A11041128R Right Cylinder Head 4S

( Manufacturer Part Number: 9A11041128R ), ( Part Type: Cylinder Head )

Review PORSCHE Carreras 4s Right Cylinder Head 9a1 104 fits CARRERA 8R GTS 911 2011–2016

The **Porsche 9A11041128R 911 Carrera 4S GTS Right Cylinder Head (9A1 104 112 8R Carrera)** is a meticulously engineered, high-performance component designed exclusively for the iconic 997.2 generation 911, specifically tailored to the **Carrera 4S GTS** models produced between 2011 and 2016. This right-hand cylinder head is a critical part of the engine s power delivery system, crafted from premium materials to ensure durability, efficiency, and peak performance under the demanding conditions of both track and road use. Built to Porsche s exacting standards, this head features a **forged aluminum construction** with precision-machined combustion chambers, optimized valve seats, and a **high-flow intake and exhaust port design** that enhances airflow and maximizes horsepower and torque output. The **9A11041128R** designation confirms its compatibility with the **997.2 911 Carrera 4S GTS**, which is equipped with the **9A1 104 112 8R engine variant**, a naturally aspirated powerplant known for its aggressive tuning potential and track-focused performance. This cylinder head is engineered with **high-strength valve springs, hardened valve guides, and a reinforced rocker arm system** to withstand the stresses of aggressive driving, high RPM operation, and aftermarket modifications such as forced induction or high-flow upgrades. Whether used in a stock configuration for enhanced reliability or as part of a performance build to unlock additional power, this cylinder head delivers a balance of strength and efficiency that aligns with Porsche s legendary engineering philosophy. For enthusiasts seeking to preserve or elevate the performance of their 911 Carrera 4S GTS, this component represents a direct route to maintaining or improving the engine s integrity while pushing its limits with confidence.

### **Pros and Cons of Buying a Porsche 911 (997.2) Carrera 4S GTS (9A1 104 112 8R) with Right Cylinder Head (9A11041128R)**

#### **Pros**

1. **Performance and Driving Dynamics**

- The Carrera 4S GTS is one of the most desirable 997.2 models, offering a balanced blend of power and handling. The 3.6L flat-six engine produces **420 HP** (in the GTS variant) with a **400 lb-ft torque**, making it significantly more powerful than the standard Carrera 4S.

- The **PDK transmission** (if equipped) provides near-instantaneous gear shifts, enhancing acceleration and driving enjoyment. Manual versions are also highly sought after for their engaging driving experience.

- The **4S all-wheel-drive system** improves traction and stability, especially in wet or slippery conditions, while still retaining the rear-wheel-drive feel of a 911.

- The **GTS package** includes a sport-tuned suspension, larger brakes, and a limited-slip differential, further enhancing performance and cornering capabilities.

2. **Rarity and Collectibility**

- The **9A11041128R (right-cylinder head)** variant is extremely rare, with only a small number produced. This makes it a highly collectible and desirable model among Porsche enthusiasts.

- The **GTS trim** was a limited-edition variant, adding to its exclusivity. Only a few hundred were made, making it a premium choice for collectors and investors.

- The **997.2 generation** (2005 2009) is considered a transitional era between the classic 996 and the more modern 991, offering a mix of retro styling and modern engineering.

3. **Build Quality and Reliability**

- Porsche 911s from this era are known for their **solid construction and durability**, especially when well-maintained. The **997.2 chassis** is robust, and the engine is a refined evolution of the 996 s powerplant.

- The **right-cylinder head (9A11041128R)** is a factory option that was used in some early 997 models, including the Carrera 4S GTS. While not as rare as the left-cylinder head (9A11041128L), it still carries a premium due to its association with the GTS.

- With proper maintenance, these cars can easily exceed **200,000 miles**, though wear on suspension, brakes, and seals should be monitored.

4. **Aftermarket and Modification Potential**

- The **997.2 platform** has a **thriving aftermarket**, with performance upgrades (engine swaps, exhaust, suspension), cosmetic modifications, and interior enhancements widely available.

- The **PDK-equipped models** (if available) can be further tuned for even better performance, though manual versions are often preferred by purists.

- The **GTS suspension and brake upgrades** make it a great candidate for track days, though some modifications may void warranties or require professional installation.

5. **Resale Value and Investment Potential**

- Porsche 911s, especially rare variants like the **Carrera 4S GTS with the right-cylinder head**, hold their value exceptionally well. Well-documented examples can appreciate significantly over time.

- The **low production numbers** of the GTS and the **unique cylinder head option** make this a strong investment for collectors.

- Unlike some other Porsche models, the **997.2 generation** is not oversaturated in the market, ensuring steady demand.

6. **Driving Experience and Aesthetics**

- The **997.2 design** retains the iconic 911 silhouette while incorporating modern touches, making it a visually appealing car.

- The **Carrera 4S GTS** offers a **sporty, aggressive stance** with a lowered suspension, larger wheels, and distinctive badging, appealing to enthusiasts who want both performance and style.

- The **manual transmission option** (if available) provides an **engaging, driver-focused experience**, while the **PDK** offers a more refined, high-performance feel.

---

#### **Cons**

1. **High Cost of Ownership**

- **Maintenance and repairs** can be expensive, especially for specialized parts like the **right-cylinder head engine** or **PDK transmission components**.

- **Tires, brakes, and suspension upgrades** are often required to match the car s performance potential, adding to ongoing costs.

- **Insurance premiums** will be high due to the car s value, performance, and rarity.

2. **Potential for Hidden Issues**

- **Engine and Transmission Concerns**: Some **997.2 models** (especially early ones) have had issues with **oil consumption, timing chain wear, and PDK failures**. A **detailed service history** is crucial.

- **Suspension and Steering Wear**: The **GTS suspension setup** is tuned for performance, which can lead to **softer bushings and seals wearing out faster** than stock models.

- **Electrical Gremlins**: Porsche s **electronic systems** (infotainment, sensors, etc.) can be finicky, requiring occasional diagnostics.

- **Rust and Corrosion**: While not as common as in older 911s, **wheel arches, sills, and undercarriage** should be inspected for rust, especially in older examples.

3. **Depreciation Over Time (Compared to Newer Models)**

- While the **997.2 retains value well**, newer Porsche models (991.2, 992) offer **better technology, safety, and efficiency**. If you plan to keep the car long-term, the **997.2 may not be as future-proof** as a more modern 911.

- **Fuel economy** is not great by modern standards (** 15 18 MPG combined**), which can add to running costs.

4. **Limited Comfort and Practicality**

- The **997.2 is not a daily driver** for most people. The **narrow interior, stiff seats, and limited rear legroom** make long trips uncomfortable.

- **Noise levels** (wind, engine, road) are higher than in newer models, which may be off-putting for some owners.

- **Fuel tank capacity** is smaller than in modern cars, requiring more frequent refueling.

5. **Market Competition and Scarcity Risks**

- While the **Carrera 4S GTS is rare**, there is still competition from other **997.2 models (Carrera 4, Turbo S, GT3)** and **996 models**, which can make buying a truly pristine example challenging.

- **Counterfeit or modified examples** exist, so **verification of authenticity** (VIN check, service records) is essential.

- **Export restrictions** (if buying internationally) may apply, adding complexity to ownership.

6. **Driving Limitations**

- **AWD (4S) can reduce fuel efficiency** and may not be as engaging as a **rear-wheel-drive 911** for some drivers.

- **PDK models** (if available) are **expensive to repair** if they fail, and some owners prefer the **manual transmission** for a more traditional 911 feel.

- **Track use** requires additional modifications (brake upgrades, suspension tuning), which can be costly.

---

### **Conclusion**

Buying a **Porsche 911 Carrera 4S GTS (9A11041128R) with the right-cylinder head** is a **highly rewarding but expensive** endeavor. This car is **not for the casual driver** it is a **performance-oriented, collectible machine** that demands **significant investment in maintenance, modifications, and insurance**.

If you are a **Porsche enthusiast, collector, or performance-driven driver** who values **exclusivity, driving dynamics, and long-term appreciation**, this car is an **excellent choice**. Its **rare variant status, strong performance, and timeless design** make it a **standout in the 911 lineup**.

However, if you are looking for a **daily driver, a more practical or fuel-efficient car, or a model with modern technology**, a **newer 911 (991.2 or 992) or a different Porsche model** may be a better fit.

### **Recommendation**

- You have **deep pockets** for maintenance, insurance, and potential repairs.

- You **prioritize driving enjoyment, collectibility, and performance** over practicality.

- You can **source a well-documented example** with a **clean service history** (preferably from a **reputable dealer or private seller with proof of ownership**).

- You are prepared to **invest in upgrades** (suspension, brakes, tires) to fully realize its potential.

- You **enjoy the 911 s quirks** (noise, stiffness, AWD trade-offs) and don t mind its limitations.

- You want a **more modern

Details:

PART NUMBER: 9A1 104 112 8R. OUR NEW FIVE STAR SYSTEM GIVES THIS ITEM 2 STARS. FOR SALE IS QUANTITY: 1 condition: USED CYLINDER HEAD AND SHOWS SOME DAMAGE THAT WILL NEED TO BE FIXED. PORSCHE FOG LIGHT FOR 2006 2008 CAYMAN NEW R21.

. You are only buying what is pictured or related to the.

part #: 9a11041128r prices

• $699.99-$2900.00

specifications cylinderheapar:

• for models: 8r, Gts, 911, Carrera
• for makes: Porsche
• for years: 2011-2016
• mpn: 9a11041128r
• part type: Cylinder Head

returns cylinderheapar:

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

offer cylinderheapar:

• availability: In Stock
• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1
• started: April 19, 2026

shipping cylinderheapar:

• carrier: FedEx
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• transit: 3-6 Days
• type: Calculated

seller cylinderheapar:

• city: Salt Lake City, Utah
• rating: 99.7%
• # reviews: 41991

payments cylinderheapar:

• other
• wallet: Google-pay
• credit card: Mastercard

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

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