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  3. NISSAN 23796-4M700

NISSAN 23796-4M700 Neo Vtc Solenoid Valve Stagea Skyline Laurel

fits model: Rb25det. make: Nissan.

23796-4m700 Nissan Rb25det Neo Vtc Solenoid Valve / Stagea Skyline Laurel

( Manufacturer Part Number: 23796-4M700 ), ( Part Type: Valve Solenoid ), ( Country Of Origin: Japan )

Review NISSAN Neo Vtc Solenoid Valve Stagea Skyline Laurel fits RB25DET

The **Nissan 23796-4M700 RB25DETT Neo-VTC Solenoid Valve (Stage A)** is a precision-engineered component essential for the optimal performance of Nissan s legendary RB25DETT engine, found in iconic models like the **Nissan Skyline GT-R (R34) and Nissan Laurel (VQ)**. This solenoid valve is a critical part of the **Neo-VTC (Variable Timing Control) system**, which dynamically adjusts the timing of the intake and exhaust camshafts to enhance engine responsiveness, power delivery, and efficiency across the entire RPM range. Crafted from high-quality materials, the valve features a robust **aluminum housing** and a **durable stainless steel or brass internal mechanism**, ensuring longevity and reliability even under the demanding conditions of high-performance driving. The **Stage A variant** is specifically designed for applications requiring precise timing adjustments, making it ideal for both stock and lightly modified engines, as well as those undergoing performance upgrades. Its compact yet robust design allows for seamless integration into the engine s valve cover, where it interfaces with the VTC solenoids to modulate oil flow, controlling the phasing of the camshafts in real-time. Whether you're restoring a classic R34 GT-R to its original glory or fine-tuning a modern VQ-powered Laurel for better throttle response, this solenoid valve delivers the precision timing control necessary to unlock the full potential of the RB25DETT s legendary power delivery. Proper installation and maintenance of this component are crucial, as it operates under high-pressure oil conditions and must remain free of debris to prevent premature wear or failure. For enthusiasts seeking to preserve or enhance the performance of their Nissan s VTC-equipped engine, this solenoid valve represents a vital, high-performance upgrade that bridges the gap between stock reliability and aftermarket tuning potential.

### **Pros and Cons of Buying a Nissan 23796-4M700 RB25DET Neo VTC Solenoid Valve (Stage A Skyline/Laurel)**

#### **Pros**

1. **Performance Potential** The RB25DET is one of the most legendary naturally aspirated engines in motorsport history, capable of producing **300 horsepower** with proper tuning. The Neo VTC solenoid valve (part number **23796-4M700**) is a key component for optimizing valve timing, improving low-end torque and high-revving performance.

2. **Reliability (When Maintained Properly)** With proper care, the RB25DET is known for its durability, especially in Stage A form. Many units have exceeded **200,000 miles** with basic maintenance. The VTC solenoid helps reduce wear by optimizing valve timing, which can extend engine life if the rest of the engine is well-supported.

3. **Aftermarket Support** The RB25DET has an extensive aftermarket, including high-quality turbo kits, fuel systems, and tuning solutions. The Neo VTC solenoid is a common upgrade for those looking to fine-tune valve timing for better throttle response and power.

4. **Classic & Collectible Status** The Skyline GT-R (Stage A) and Laurel are highly sought-after in the JDM community. A well-preserved example with a Neo VTC solenoid can be a strong investment, especially if it has a clean title and service history.

5. **Driving Experience** The RB25DET provides a **balanced mix of power and precision**, making it ideal for both street driving and track use. The VTC system enhances responsiveness, especially in lower RPM ranges.

6. **Modularity** The engine is modular, meaning components like the head, block, and turbo can often be swapped between different RB25 variants, increasing parts availability.

7. **Historical Significance** The RB25DET was a dominant force in Group A and IMSA racing in the early '90s, giving it a strong legacy among performance enthusiasts.

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#### **Cons**

1. **High Maintenance Costs** The RB25DET is not a "set-and-forget" engine. It requires **regular oil changes (every 3,000 5,000 miles)**, valve adjustments, and attention to wear points like the **camshafts, lifters, and timing chain**. Neglecting maintenance can lead to **expensive failures** (e.g., lifter wear, valve float, or timing chain stretch).

2. **Fuel System Limitations** The stock fuel system (a single **200cc injector**) is inadequate for serious power gains. Upgrading to **high-flow injectors, a fuel pump, and an ECU tune** is often necessary to avoid fuel starvation, which can damage the engine.

3. **Turbocharger Reliability (If Modified)** While the Neo VTC solenoid is for **naturally aspirated tuning**, many owners eventually add a turbo. Stock turbos (like the **T04**) are weak and prone to failure under heavy boost. Aftermarket turbos (e.g., **Garrett GT28, BorgWarner EFR**) require proper support (intercoolers, upgraded fueling, etc.).

4. **Common Weak Points** Even in Stage A form, the RB25DET has known issues:

- **Camshaft wear** (especially the intake side)

- **Lifter and valve train wear** (leading to poor valve sealing and power loss)

- **Rod bearing and main bearing wear** (common in high-mileage examples)

- **Oil leaks** (valve cover gasket, oil filter housing gasket, rear main seal)

- **Timing chain stretch** (requires replacement every **100,000 150,000 miles**)

5. **Cost of Repairs** Replacing a **camshaft, lifters, or bearings** can cost **$1,500 $3,000 **, depending on labor and parts. A full rebuild can exceed **$5,000 $8,000** if major components are worn.

6. **Stock Drivetrain Limitations** The **5-speed manual (or 4-speed auto in Laurel)** is not built for serious power. Upgrading to a **limited-slip differential (LSD), stiffer drivetrain, or a sequential gearbox** is often necessary for high-performance use.

7. **Depreciation & Market Saturation** While the RB25DET remains popular, the market is saturated with examples. A well-documented, low-mileage unit with a Neo VTC solenoid may still be expensive, and resale value can be unpredictable.

8. **Neo VTC Solenoid Specific Considerations**

- **Not a Power-Upgrade** The Neo VTC solenoid is primarily for **tuning and valve timing optimization**, not a direct power increase. It works best when paired with a **high-quality ECU tune** (e.g., **Haltech, Link, or Apexi**).

- **Potential for Failure** Like any solenoid, it can **fail electrically or mechanically**, requiring replacement (**$100 $200** for the part, plus labor).

- **Compatibility Issues** Some aftermarket tunes may not properly account for the Neo VTC, leading to **poor idle, stalling, or timing errors** if not programmed correctly.

9. **Legal & Insurance Restrictions** In some regions, **high-performance JDM cars (especially pre-2000 models) may face restrictions** on registration, insurance, or emissions compliance. Always check local laws before purchasing.

10. **Time-Consuming to Maintain** The RB25DET requires **more frequent inspections** than a modern engine. Many owners spend **hundreds of hours** per year on maintenance, tuning, and troubleshooting.

---

### **Conclusion & Recommendation**

#### **Who Should Buy This?**

- **Enthusiasts who enjoy mechanical challenges** and are willing to invest time and money in maintenance.

- **Those who prioritize driving experience** over convenience if you love the **raw, revving sound and precise handling** of a naturally aspirated JDM powerplant.

- **Owners who plan to keep the car for the long term** and are prepared for **regular upkeep**.

- **People who appreciate the RB25DET s legacy** and want a piece of motorsport history.

- **Those who intend to modify it gradually** (starting with tuning, then fueling, and eventually turbocharging).

#### **Who Should Avoid This?**

- **Beginners or those unwilling to learn engine mechanics** the RB25DET is not a "plug-and-play" machine.

- **People who want a reliable, low-maintenance daily driver** modern engines require far less attention.

- **Budget-conscious buyers** expect **$1,000 $3,000 per year** in maintenance costs, even on a well-kept example.

- **Those who don t enjoy spending time on tuning and diagnostics** ECU flashing, fuel system adjustments, and valve timing tweaks are part of ownership.

- **People who want a car that holds value easily** while the RB25DET is iconic, depreciation can be steep unless it s in **perfect condition**.

#### **Final Recommendation**

If you **find a well-documented, low-mileage RB25DET Stage A Skyline/Laurel with a Neo VTC solenoid**, and you re **prepared for the maintenance and cost**, it can be an **incredible project car** or a **track/street machine**. However, **only buy it if you re committed to keeping it running well** a neglected RB25DET can become an expensive paperweight.

**Best Approach:**

- **Inspect the engine thoroughly** (check for oil leaks, valve train condition, timing chain stretch).

- **Verify service history** (oil changes, valve adjustments, camshaft replacements).

- **Test drive and listen for unusual noises** (ticking lifters, rattling valves).

- **Budget for immediate upgrades** (fuel system, ECU tune, potential camshaft/lifter replacement).

- **Consider buying from a trusted seller** (preferably with a **JDM specialist** who understands RB25DET quirks).

**Alternative Options:**

- If you want **less maintenance**, consider a **later RB26DETT (turbo) or an SR20DET** (though they have their own issues).

- If you prefer **modern reliability**, look into **turbocharged or hybrid performance cars** that require less frequent attention.

**Bottom Line:**

The **Nissan 23796-4M700 Neo VTC solenoid is a worthwhile upgrade for those tuning their RB25DET**, but the **engine itself demands respect and investment**. Only purchase if you re **passionate about JDM performance cars and ready for the challenges they bring**.

Details:

NISSAN part number: 23796-4M700. Prices vary depending on item and destination. Genuine OEM used in great conditions. Shipping: Shipping cost: See listing for shipping costs.

Made in JAPAN. NISSAN RB25DET NEO VTC SOLENOID VALVE / Stagea Skyline Laurel 23796-4M700: JDM ASSEMBLY.

part #: 237964m700 prices

  • $95.00-$262.27

specifications cylinderheapar:

  • for models: Rb25det
  • for makes: Nissan
  • mpn: 23796-4m700
  • part type: Valve Solenoid
  • country of origin: Japan

seller cylinderheapar:

  • city: Miami, Florida
  • # reviews: 10586
  • rating: 99.9%

returns cylinderheapar:

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

general cylinderheapar:

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

offer cylinderheapar:

  • sold: 0
  • quantity: 1
  • started: May 13, 2026
  • options: Ship-to-home
  • availability: In Stock

shipping cylinderheapar:

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

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for models: rb25det, for makes: nissan, part type: valve solenoid, country of origin: japan,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 12109402600773881,
Nissan 23796-4M700 Is Similar To:
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4 offers $95.00–$262.27 USD
  • Used. Offer #1 priced at $95.00 + $0.00 shipping estimate = $95.00* total. NISSAN part number: JDM NISSAN RB25DET NEO VTC SOLENOID VALVE ASSEMBLY.FREE SHIPPING
  • New. Offer #2 priced at $262.27 + $20.77 shipping estimate = $283.04* total. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability Intermotor Variable Valve Timing Solenoid (VVT189) by Standard .+$20.77 shipping
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