PORSCHE 95110403804 Cylinder Head Engine 1323 2.5L M44.51

( Manufacturer Part Number: 95110403804 ), ( Part Type: Cylinder Head Engine )

Review PORSCHE 951 #1323 Cylinder Head Engine 2.5l Genuine fits M44 TURBO 944

The **Porsche 95110403804 944 Turbo (951) 2.5L M44.51 Cylinder Head** is a meticulously crafted, high-performance component designed exclusively for the iconic **Porsche 944 Turbo (951) model**, a legendary sports car renowned for its aggressive styling, turbocharged power, and razor-sharp handling. This cylinder head represents the pinnacle of engineering precision, engineered to restore or enhance the performance of the **M44.51 inline-four engine**, which underpins the 944 Turbo s exhilarating 0-60 mph acceleration and top-speed capabilities. The **95110403804** designation ensures compatibility with the **944 Turbo (951) chassis**, making it a critical aftermarket or restoration part for enthusiasts seeking to revive or modify their vehicle s powerplant. Crafted from high-grade aluminum alloy, this cylinder head features **four valves per cylinder** (intake and exhaust) arranged in a compact, efficient layout, optimized for maximum airflow and combustion efficiency. The **M44.51 engine** a turbocharged evolution of the naturally aspirated M44 relies on this head to manage the increased cylinder pressures generated by its **1.8-bar turbocharger**, delivering a potent **250 horsepower** output when properly tuned. The head incorporates **precision-machined combustion chambers**, **high-flow intake and exhaust ports**, and **threaded spark plug locations** (typically M14x1.25), ensuring optimal ignition and fuel delivery for peak performance. For restoration projects, this cylinder head is often paired with a **rebuilt M44.51 engine**, complete with a **turbocharger upgrade** (such as a **Garrett T25 or T28**) and **high-flow internals**, including a **forged crankshaft, billet connecting rods, and a reinforced oil pump**, to handle the increased stress of forced induction. Whether used in a **stock restoration**, a **high-performance build**, or a **daily driver modification**, this cylinder head is a cornerstone component that directly influences throttle response, top-end power, and overall engine reliability. Its compatibility with **Porsche s original turbo system** (or aftermarket alternatives) makes it a versatile choice for both purists and performance seekers, ensuring that the 944 Turbo s legendary character remains intact while unlocking its full potential.

### **Pros and Cons of Buying a Porsche 951.104.038.04 944 Turbo (M44.51 2.5L Engine)**

#### **Pros**

1. **Iconic Porsche 944 Turbo Legacy**

- The 944 Turbo is one of Porsche s most recognizable models, blending sportiness with practicality. Its distinctive front splitter, rear wing, and aggressive stance make it instantly identifiable.

2. **Strong Engine Performance (M44.51)**

- The **2.5L M44.51 engine** (introduced in 1985) is a refined version of the original 944 Turbo motor, producing **around 250 270 hp** (depending on tuning and condition) with **229 lb-ft of torque**. It s a naturally aspirated inline-6 with a single turbocharger, offering a balanced power delivery.

- The engine is known for its **durability** if properly maintained, especially with modern upgrades like upgraded turbos, intercoolers, and fuel systems.

3. **Turbocharging for Extra Power**

- Unlike the naturally aspirated 944, the Turbo version delivers **significantly more power**, making it more engaging to drive than the base model. The turbo spool-up adds excitement, especially in the mid-range.

4. **Reliability with Proper Care**

- The **M44.51** is an evolution of the earlier M44.01/02 engines, which had some early issues (e.g., oil leaks, turbo failures). However, the **038.04 variant (1985 1987)** was improved with better sealing and materials.

- With **regular maintenance (valve adjustments, timing belt changes, turbo inspections)**, these engines can last **well over 150,000 miles**.

5. **Aftermarket Support & Tuning Potential**

- The 944 Turbo has a **strong aftermarket**, with performance parts available for **turbo upgrades, fuel system enhancements, and suspension modifications**.

- **Turbocharger swaps** (e.g., Garrett T25, T28, or modern turbos)

- **Intercoolers & larger fuel injectors**

- **Exhaust systems** for better flow

- **Suspension kits** (coilovers, lower springs)

- **ECU tuning** (e.g., Haltech, Megasquirt) for **300 hp** with proper cooling and fueling.

6. **Driving Experience**

- The **manual transmission** (if available) offers a **more engaging driving experience** than the automatic, with a **quick, precise shift feel**.

- The **rear-wheel-drive layout** provides **better handling** than front-wheel-drive cars, making it more fun to drive on twisty roads.

- The **stiff chassis** (compared to the base 944) gives it **better road-holding** and **cornering capabilities**.

7. **Classic Porsche Aesthetics**

- The **944 Turbo s design** (1984 1991) is **timeless**, with a **sporty, aggressive look** that appeals to enthusiasts.

- The **interior** (especially in later models) is **comfortable and functional**, with a **manual gearbox** that feels premium for its time.

8. **Potential for Restoration & Customization**

- If you enjoy **restoration projects**, a 944 Turbo can be a rewarding build, especially if you find a **project car** needing work.

- **Cosmetic upgrades** (body kits, paint, interior refinishing) can significantly improve its appearance.

9. **Lower Cost of Ownership (Compared to Modern Porsches)**

- **Insurance and maintenance costs** are **far lower** than a modern Porsche (e.g., 911, 718 Cayman).

- **Parts are still relatively affordable**, though some rare components (e.g., original turbos, suspension parts) can be pricey.

10. **Community & Enthusiast Appeal**

- The **944 Turbo has a dedicated fanbase**, with **clubs, meets, and rallies** dedicated to it.

- Owning one means joining a **community of like-minded enthusiasts**, which can be rewarding for networking and support.

---

#### **Cons**

1. **Turbo Lag & Throttle Response**

- The **single turbocharger** (especially in stock form) suffers from **noticeable lag** at low RPMs, which can make acceleration feel **less immediate** than a modern turbocharged car.

- **Solution:** Upgrading the turbo (e.g., Garrett T28) and tuning can **reduce lag**, but it requires **additional cooling and fueling upgrades**.

2. **Reliability Issues if Neglected**

- **Turbocharger failures** (due to oil starvation or wear)

- **Oil leaks** (valve cover gaskets, oil filter housing gasket)

- **Timing belt & water pump** (must be replaced **every 60,000 80,000 miles**)

- **Fuel system issues** (carburetor or early fuel injection problems in older models)

- **Suspension wear** (ball joints, bushings, shocks)

- **Solution:** **Regular maintenance is a must** many issues can be avoided with proper upkeep.

3. **Fuel Economy is Poor**

- The **2.5L turbo engine** gets **around 12 15 MPG in the city and 18 22 MPG on the highway** (stock).

- **Solution:** Tuning can **improve efficiency slightly**, but it will never be as fuel-efficient as a modern turbocharged car.

4. **Depreciation & Market Value**

- While the **944 Turbo is a classic**, it **does not hold value as well as a 911 or 959**.

- **Project cars or heavily modified examples** lose value faster.

- **Solution:** If you plan to sell later, **buying a well-documented, low-mileage example** is best.

5. **Driving Comfort & Noise**

- The **manual transmission** (if present) can be **stiff and noisy** in higher gears.

- **Road noise** is **noticeable**, especially with stock tires and suspension.

- **Solution:** **Upgraded tires, suspension, and sound deadening** can improve comfort.

6. **Parts & Repair Challenges**

- While **not as rare as a 911**, some **original parts** (e.g., turbos, suspension components) can be **expensive or hard to find**.

- **Labor costs** for specialized Porsche mechanics can add up.

- **Solution:** **Stockpile common parts** or **buy from reputable suppliers** (e.g., Porsche Parts Direct, eBay, specialty shops).

7. **Modification Costs Can Add Up**

- If you want to **fully optimize performance**, **turbo upgrades, fuel system changes, and ECU tuning** can cost **$3,000 $8,000 **.

- **Solution:** **Start with a reliable base car** and **budget for upgrades gradually**.

8. **Not as Fast as Modern Alternatives**

- While **fun and engaging**, the **0 60 mph time ( 5.5 6.5 sec)** is **not competitive** with modern turbocharged cars (e.g., BMW M240i, Audi S3).

- **Solution:** If you want **raw speed**, a modern turbocharged car may be a better choice.

9. **Weather & Storage Sensitivity**

- **Older Porsches are susceptible to rust** (especially in snowy/rainy climates).

- **Fuel system issues** (carburetor clogging, fuel pump failures) can occur if not stored properly.

- **Solution:** **Regular washing, rust proofing, and proper storage** are essential.

10. **Insurance Costs Can Be High**

- While **cheaper than a 911**, **specialty insurance for a classic Porsche** can still be **expensive** (especially if modified).

- **Solution:** **Shop around for classic car insurance** (e.g., Hagerty, Classic Car Club of America).

---

### **Final Conclusion & Recommendation**

#### **Who Should Buy This Porsche 944 Turbo?**

- You **love classic Porsches** and want a **daily driver with character**.

- You **enjoy working on cars** and are **willing to invest time in maintenance**.

- You **appreciate the driving experience** (manual transmission, RWD handling, turbocharged power).

- You **plan to modify it** (turbo upgrades, suspension, interior) and **don t mind the costs**.

- You **find a well-documented, low-mileage example** (preferably **1985 1987 M44.51**) with **full service records**.

- You **don

Details:

Condition: Used. Donor Vehicle: 1986 Porsche 944 Turbo W/ 152,300 miles. Interior: Black Leather Exterior: Fermat Silver Metallic LY7Y. Storage Location: W03.

Brand: Porsche.

part #: 95110403804 prices

• $89.97-$599.99

specifications cylinderheapar:

• for models: M44, Turbo, 944
• for makes: Porsche
• mpn: 95110403804
• part type: Cylinder Head Engine

returns cylinderheapar:

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

shipping cylinderheapar:

• class: Economy
• type: Fixed
• transit: 3-8 Days
• cost: $0.00
• service: Economy

general cylinderheapar:

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

seller cylinderheapar:

• # reviews: 21019
• rating: 99.9%
• city: Portland, Oregon

offer cylinderheapar:

• started: March 24, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home

payments cylinderheapar:

• other
• wallet: Paypal
• credit card: Mastercard

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