fits year: 1986–2012.

( Manufacturer Part Number: 001420828 ), ( Brand: Oem ), ( Type: Piston ), ( Part Brand: Borgo ), ( Vintage Part: Yes )
The **Lamborghini Countach Piston Set (Part Number: 001420828, Model Years: 86-89)** represents a meticulously engineered aftermarket upgrade designed to restore or enhance the performance of the iconic 355/5000S s powerplant, the legendary **350/400 bhp V12 engine**. Crafted for the discerning owner of a Countach, this piston set is a testament to the precision and craftsmanship required to maintain the raw, unfiltered power that defined these supercars in their heyday. Each piston in this set is forged from high-quality **aluminum alloy**, optimized for durability and thermal efficiency, ensuring reliable operation under the extreme demands of the Countach s high-revving V12. The pistons feature **honeycomb cooling fins**, a design choice that maximizes heat dissipation while minimizing weight, a critical balance for an engine that thrives on high RPM and aggressive power delivery. The **forged steel wrist pins** are press-fit into the pistons, providing exceptional rigidity and resistance to wear, which is essential for sustaining the engine s legendary reliability over thousands of miles. This piston set is specifically tailored for the **86-89 model years**, accounting for subtle variations in cylinder head and block designs that evolved during this period, ensuring a perfect fit and optimal performance. Whether restoring a classic Countach to its original glory or pushing it beyond stock specifications, this piston set offers a blend of heritage and modern engineering, allowing enthusiasts to recapture the thunderous roar and exhilarating acceleration that made the Countach a legend. For those who demand nothing less than perfection in their supercar, this component is a vital step toward achieving the uncompromising performance and timeless allure of the Countach.
### **Pros and Cons of buying a Lamborghini Countach Piston Set (001420828, 86-89 Model)**
#### **Pros:**1. **Authentic Restoration Potential** This piston set is designed for the **Lamborghini Countach LP5000S (1986-1989)**, a highly sought-after model among collectors. Using genuine parts ensures an authentic restoration, preserving the car s value and historical integrity.
2. **Performance Benefits** The **12-cylinder engine** in the Countach is a legendary powerplant, and a properly fitted piston set can improve reliability, reduce internal wear, and maintain optimal compression ratios. This is particularly useful for high-performance applications or track use.
3. **Compatibility with Classic Engines** The **86-89 Countach** engines (especially the **LP5000S**) are known for their **3.0L V12**, and this piston set is likely designed to fit the **original engine specifications**, ensuring a perfect match for stock or modified builds.
4. **Long-Term Durability** Lamborghini s piston sets are built to last, especially when paired with proper lubrication and maintenance. This reduces the risk of catastrophic engine failure, which is a major concern in high-performance supercars.
5. **Enhanced Resale Value** If you plan to restore or modify your Countach, using **OEM or high-quality aftermarket pistons** (like those from **Lamborghini, Mahle, or JE**) can significantly boost resale value, as enthusiasts and collectors prefer authenticity.
6. **Customization Flexibility** While this is a stock piston set, it can serve as a foundation for **forged pistons, upgraded rings, or high-performance modifications** if you later decide to push the engine beyond stock limits.
7. **Support for Classic Racing** If you participate in **historic racing or concours events**, using original or period-correct parts is often a requirement. This piston set ensures compliance with classic car regulations.
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#### **Cons:**1. **High Cost** Genuine Lamborghini piston sets (or high-quality aftermarket equivalents) are **expensive**, often costing **$1,000 $3,000 ** depending on the brand and condition. This is a significant investment, especially for a car that may not always appreciate in value.
2. **Limited Availability & Lead Times** Finding the exact **001420828 piston set** (or a direct equivalent) may require special ordering from **Lamborghini s parts department, specialty suppliers, or eBay sellers**. Lead times can be long, delaying restoration projects.
3. **Engine Disassembly Required** Installing pistons requires **full engine teardown**, which is labor-intensive and risky if not done correctly. Improper installation can lead to **scoring, seizing, or catastrophic failure**.
4. **Potential for Counterfeit Parts** If purchasing from a third-party seller, there is a risk of **fake or mismatched parts**. Always verify authenticity through **serial numbers, invoices, or supplier reputation**.
5. **Compatibility Issues with Modified Engines** If your Countach has **aftermarket modifications (e.g., turbocharging, forced induction, or custom crankshafts)**, this piston set may not be fully compatible without additional adjustments.
6. **Maintenance & Expertise Needed** The **Lamborghini V12** is a complex engine, and proper piston installation requires **expertise in balancing, ring gap settings, and lubrication**. A misaligned piston can cause **knocking, oil consumption, or premature wear**.
7. **Alternative Costs** If the engine is already worn, replacing just the pistons may not be enough. You might also need to budget for **cylinder boring, new rings, bearings, or even a full rebuild**, adding to the overall expense.
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### **Conclusion**
Buying the **Lamborghini Countach Piston Set (001420828, 86-89)** is a **wise investment** if you are:- **Restoring a classic Countach** and want to maintain authenticity.
- **Planning long-term engine reliability** for daily driving or track use.
- **Committed to high-quality parts** that enhance performance and resale value.
However, it is **not the best choice** if:- You are on a **tight budget** and cannot afford the full cost of a proper engine rebuild.
- You lack **mechanical expertise** or access to a **reputable Lamborghini specialist**.
- The engine is **severely worn** and requires more than just piston replacement.
- You are considering **major modifications** that may render the stock pistons incompatible.
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### **Recommendation**
1. **Verify Engine Condition First** Before purchasing pistons, have a **mechanic inspect the engine** to confirm if pistons are the only needed replacement. If the **crankshaft, bearings, or cylinders are damaged**, a full rebuild may be necessary.
2. **Choose the Right Supplier**
- **Genuine Lamborghini parts** (from an authorized dealer) ensure authenticity but may be costly.
- **High-quality aftermarket brands** (e.g., **Mahle, JE, or Forged Pistons**) offer competitive pricing while maintaining reliability.
- Avoid **unknown sellers** unless they provide **certificates of authenticity**.
3. **Consider a Full Engine Rebuild** If the engine is **100,000 miles or heavily modified**, a **complete overhaul** (including pistons, rings, bearings, and balancing) may be more cost-effective in the long run.
4. **Hire a Specialist** Lamborghini engines are **notoriously tricky** to work on. If you lack experience, **consult a Lamborghini specialist or a classic car engine shop** to ensure proper installation.
5. **Budget for Additional Costs** Beyond the piston set, account for:- **Labor costs** (if not DIY).
- **Cylinder boring** (if needed).
- **New rings, seals, and gaskets**.
- **Test runs and adjustments**.
### **Final Verdict:****If you are restoring a Countach and prioritize authenticity and long-term reliability, this piston set is a strong investment.** However, **proceed with caution**, ensuring the engine is in good enough condition to justify the cost. If unsure, **consult a professional before purchasing** to avoid unnecessary expenses.
The product is a set of 12 OEM pistons with designed for the Lamborghini Countach QV model from 1986 -1989.