HONDA P75-11 Cylinder Head Descript B18B

( Brand: Honda ), ( Manufacturer Part Number: P75-11 ), ( Type: Cylinder Head ), ( Material: Aluminum ), ( Vintage Part: No ), ( Finish: Unfinished )

Review HONDA Cylinder Head Acura Cr v Non Read Descript fits INTEGRA B20 VTEC CR

The **Honda P75-11 B18B1 VTEC cylinder head** is a meticulously engineered component designed for high-performance applications, originally crafted for the legendary **Acura Integra (DC5/DG2)** and later adapted for the **Honda CR-V (2nd generation, 1995 2001)** with its **B20A1/B20A2** engine variants. This precision-machined aluminum head features a **16-valve DOHC (Dual Overhead Camshaft) design**, incorporating Honda s revolutionary **Variable Valve Timing and Lift Electronic Control (VTEC)** system, which dynamically adjusts valve lift and timing to optimize power delivery across the entire RPM range. The head is built with **four intake and four exhaust valves per cylinder**, arranged in a compact, high-flow configuration to maximize airflow efficiency while maintaining structural integrity. The **intake ports** are sculpted for optimal fuel-air mixture distribution, ensuring smooth combustion and reduced knocking under high-stress conditions, while the **exhaust ports** are engineered to minimize backpressure, enhancing exhaust scavenging and turbocharging potential if modified. The **camshafts** are supported by high-quality bearings and feature precise profiles that, when paired with the VTEC system, deliver a striking balance of low-end torque and high-revving performance. This cylinder head is also compatible with **aftermarket upgrades**, including **stainless steel valves, upgraded springs, and high-flow headers**, making it a versatile choice for both stock restorations and aggressive performance builds. Whether installed in an **Acura Integra Type R (B18C1), a naturally aspirated CR-V, or a turbocharged project**, this head remains a cornerstone of Honda s legendary engineering, combining durability with the potential for substantial power gains when paired with the right supporting components. Its **machined surfaces, precise valve guides, and robust construction** ensure longevity, even under aggressive modifications, while its **VTEC integration** guarantees a responsive and engaging driving experience. For enthusiasts seeking a blend of reliability and performance, the **P75-11 B18B1 cylinder head** stands as a timeless and highly adaptable choice.

### **Pros and Cons of Buying a Honda B18B/B20 Cylinder Head (P75-11) for an Acura Integra or CR-V with VTEC**

The **Honda B18B/B20 cylinder head** (specifically the **P75-11** variant) is a popular aftermarket upgrade for performance builds, particularly in the **Acura Integra (DF170/DF200) and Honda CR-V (JDM models)**. Below is a detailed breakdown of its advantages and drawbacks, followed by a conclusion and recommendation.

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### **Pros of Installing a Honda B18B/B20 Cylinder Head (P75-11)**

1. **Higher Horsepower & Torque Potential**

- The **B18B/B20** cylinder head is designed for **higher RPM and airflow efficiency** compared to stock heads, making it ideal for **forced induction (turbo/supercharger) builds** or **high-RPM naturally aspirated setups**.

- The **P75-11** variant (from the **Honda Prelude P75**) is known for its **stronger valve springs, larger valves, and improved combustion chamber shape**, allowing for **better breathing and power gains** (often **100-200 HP** with a turbo).

- Works well with **VTEC systems**, as the **B18B/B20** was originally designed with VTEC in mind, improving mid-to-high RPM performance.

2. **Improved Durability & Heat Dissipation**

- The **B18B/B20** head is **cast from a stronger alloy** than stock Integra/CR-V heads, reducing the risk of **warping or cracking** under high boost or high-RPM conditions.

- The **larger valve springs** help prevent **valve float** at high RPM, which is beneficial for **turbocharged or high-revving engines**.

- The **better cooling fins** on the B18B/B20 help with **heat management**, reducing the risk of **detonation or pre-ignition** under heavy loads.

3. **Better Compatibility with Forced Induction**

- The **B18B/B20** head is **more aggressive in its design**, with **larger ports and better flow characteristics**, making it a **better choice for turbocharging** than stock Integra/CR-V heads.

- Many **turbo builds** (especially **1.5-2.0 psi boost**) see **better efficiency and reliability** with these heads compared to stock.

- The **P75-11** variant is particularly favored because it was **used in a high-performance Prelude**, meaning it was **stress-tested in a similar power range** to what you d expect from a modified Integra or CR-V.

4. **Easier to Modify & Upgrade**

- The **B18B/B20** head has **larger valve seats and guides**, making it **easier to install larger valves** (e.g., **2.0" intake, 1.6" exhaust**) for further power gains.

- **Port matching and polishing** can be done more effectively due to the **larger combustion chambers**, allowing for **better airflow and efficiency**.

- **Aftermarket parts** (retainers, springs, rocker arms) are **more readily available** for the B18B/B20 than for stock Integra/CR-V heads.

5. **Proven Reliability in Performance Applications**

- The **B18B/B20** has been used in **many successful turbo builds**, including **Honda Civic, Integra, and CR-V projects**, with **minimal issues** when properly supported (e.g., **stronger internals, upgraded fueling, cooling**).

- The **P75-11** specifically is **less common than the B18C**, but it has a **strong reputation** for **high-RPM reliability** due to its **stiffer valve springs and better valve train geometry**.

6. **Aesthetic & Build Appeal**

- The **B18B/B20** head has a **distinctive, aggressive look** compared to stock Integra/CR-V heads, making it a **popular choice for show builds**.

- Many enthusiasts prefer the **B18B/B20 s larger size and port shape**, which gives a **more "Honda performance" aesthetic**.

---

### **Cons of Installing a Honda B18B/B20 Cylinder Head (P75-11)**

1. **Compatibility Issues with Stock Integra/CR-V Engines**

- The **B18B/B20** head **does not bolt directly** to a stock **B18B/B20 Integra (DF170/DF200) or CR-V engine** due to **different deck heights, valve cover shapes, and bolt patterns**.

- Requires **custom machining, spacers, or adapter plates** to fit, which can be **expensive and time-consuming**.

- The **B18B/B20** has a **different camshaft profile and lifter clearance** than stock, meaning **valvetrain modifications (new lifters, retainers, springs) are often necessary**.

- **Stock Integra/CR-V camshafts may not work well** with the B18B/B20 head, requiring **aftermarket cams** for optimal performance.

2. **Fuel & Cooling System Upgrades Required**

- The **B18B/B20** head **demands more fuel and cooling** than stock, especially under **forced induction**.

- **Stock fuel injectors (DF170/DF200) are often insufficient** for **200 HP builds**, requiring **larger injectors (360cc for turbo setups)**.

- **Cooling system upgrades** (larger radiator, upgraded water pump, thermostat) are **highly recommended** to prevent **overheating**, especially in **turbocharged applications**.

3. **Cost & Availability Challenges**

- **Used B18B/B20 heads (especially P75-11) are rare and expensive** compared to stock Integra/CR-V heads.

- **New heads are not mass-produced**, meaning you may need to **source from Japan or specialty suppliers**, increasing costs.

- **Machining and conversion costs** (decking, port matching, spacer fabrication) can **add $500-$1,500 ** to the project.

4. **Potential for Increased Oil Consumption**

- The **B18B/B20** head, when paired with **high-RPM or turbo applications**, can **increase oil consumption** due to **more aggressive valve motion**.

- **Stock oil pumps and oil control valves (OCV) may not handle the extra load**, requiring **upgrades (e.g., stronger oil pump, modified OCV)**.

5. **Learning Curve for Installation & Tuning**

- Installing a **B18B/B20 head** is **not a simple drop-in replacement** it requires **mechanical knowledge, machining, and tuning**.

- **ECU tuning is critical** stock ECUs are **not calibrated** for the **different airflow and combustion characteristics** of the B18B/B20, leading to **poor performance or engine damage** if not properly adjusted.

- **Dynamic compression ratio (DCR) issues** can arise if the **piston-to-head clearance is not properly managed**, leading to **knocking or misfires**.

6. **Potential for Valvetrain Stress at High Power Levels**

- While the **B18B/B20 is strong**, **extreme power levels (300 HP with turbo)** can still **stress the valvetrain** if not properly supported.

- **Stock rocker arms and retainers may not be sufficient**, requiring **aftermarket upgrades (e.g., forged rockers, titanium retainers)**.

- **Valve float can still occur at very high RPMs**, necessitating **stiffer springs or balance shafts (if applicable)**.

7. **Resale Value & Practicality Concerns**

- A **B18B/B20 head swap** is **not a common modification**, meaning **resale value drops significantly** if you ever decide to sell.

- **Daily drivability may suffer** if the build is **too aggressive** (e.g., **low-end torque loss, rough idle, or tuning issues**).

- **Insurance costs may increase** due to the **modified nature** of the engine.

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### **Conclusion & Recommendation**

The **Honda B18B/B20 cylinder head (P75-11)** is an **excellent choice for performance builds**, particularly for **turbocharged or high-RPM naturally aspirated Acura Integra (DF170/DF200) or CR-V projects**. Its **stronger construction, better airflow, and VTEC compatibility** make it a **superior alternative to stock heads** when **properly supported**.

However, the **installation is complex and expensive**, requiring **machining, valvetrain upgrades, fueling improvements,

Details:

Overall, the valve train is in excellent condition and fully complete. Will come with camshaft gears. This is a B18B JD head that was fully refreshed less than 15k miles ago. Would recommend getting it resurfaced before use.

It is ported on the intake and exhaust side. The camshafts are in excellent condition, the valves springs and retainers condition. Overall really good shape.

part #: p7511 prices

• $189.99-$375.59

specifications cylinderheapar:

• for models: B20, Vtec, Cr, Integra
• for makes: Acura, Honda
• brand: Honda
• mpn: P75-11
• type: Cylinder Head
• material: Aluminum
• vintage part: No
• finish: Unfinished

offer cylinderheapar:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: May 21, 2026
• best offers: True

seller cylinderheapar:

• city: Wichita, Kansas
• rating: 97.8%
• # reviews: 62

general cylinderheapar:

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

returns cylinderheapar:

• policy: No Returns

payments cylinderheapar:

• other
• wallet: Apple-pay
• credit card: Mastercard
• money order

shipping cylinderheapar:

• carrier: USPS
• service: USPS Ground Advantage
• transit: 6-12 Days
• cost: $126.77
• class: Standard
• type: Fixed

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