1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 11923481320232731
  3. FORD RF-E9SE-6090-D7A

FORD RF-E9SE-6090-D7A Cylinder Head Set Supercharged 3.8L

fits model: Sc, Thunderbird. make: Ford. year: 1989–1993.

Rf-e9se-6090-d7a Ford Cylinder Head Set 1989 1990 1991 1992 1993 Thunderbird Sc 3.8l Supercharged

( Manufacturer Part Number: RF-E9SE-6090-D7A ), ( Type: Cylinder Head )

Review FORD Cylinder Head Set 3.8l Supercharged fits THUNDERBIRD SC 1989–1993

The **Ford RF-E9SE-6090-D7A Cylinder Head Set** is a meticulously engineered, high-performance replacement assembly designed exclusively for the **1989 through 1993 3.8L Supercharged Thunderbird**, including the **Topsport and Grand Sport** variants equipped with the **EcoBoost (RF-E) engine code**. This premium head set is crafted to restore peak performance, reliability, and longevity to the iconic **3.8L V6 supercharged powerplant**, which was renowned for its aggressive turbocharged (or supercharged) output in its day. The **D7A** designation refers to the specific casting variant of the cylinder heads, which feature **four-valve per cylinder architecture**, **pneumatic valve lifters**, and **cast-iron construction** with **integrated supercharger drive pulley mounts**, ensuring seamless integration with the supercharger system. Each head in this set is **machine-machined to factory specifications**, with **precision-valve guides, seat inserts, and spring retainers** to eliminate common issues like valve float, excessive wear, or oil leakage problems that often plague high-mileage or modified 3.8L engines. The **intake and exhaust ports** are carefully recontoured to optimize airflow, while the **combustion chambers** are designed to maximize efficiency for the supercharged application, reducing the risk of detonation and improving throttle response. This head set is compatible with **both the original Ford supercharger (EcoBoost) and aftermarket alternatives**, making it a versatile upgrade for restorers, tuners, and enthusiasts seeking to revive or enhance the power output of their Thunderbird s legendary 3.8L engine. Whether used in a **full restoration project, a high-mileage rebuild, or a performance modification**, this **OEM-quality replacement** ensures that the engine operates with the precision and reliability of a new assembly, breathing new life into one of Ford s most iconic supercharged V6s.

### **Pros and Cons of Buying a Ford RF-E9SE-6090-D7A Cylinder Head Set for a 1989 1993 3.8L Supercharged Thunderbird**

#### **Pros:**

1. **Direct Fitment** This cylinder head set is specifically designed for the 3.8L supercharged V8 engine used in the 1989 1993 Thunderbird, ensuring compatibility without modifications.

2. **Improved Performance** New or high-quality aftermarket head sets can enhance airflow, reduce internal leakage, and improve combustion efficiency, leading to better horsepower and torque.

3. **Prevents Costly Failures** Worn or cracked cylinder heads can cause catastrophic engine damage (e.g., blown head gaskets, warped decks, or exhaust valve leaks). Replacing them proactively avoids expensive repairs.

4. **Better Cooling & Durability** Modern head sets often feature improved cooling passages and materials (e.g., cast iron or aluminum with better heat dissipation) for long-term reliability.

5. **Compatibility with Upgrades** If you plan to modify the engine (e.g., forced induction, camshaft upgrades), a fresh head set provides a solid foundation for those changes.

6. **Easier Installation** Since it s a direct replacement, installation is straightforward compared to custom or non-OEM parts that may require machining or additional work.

7. **Potential for Increased Reliability** If the original heads are worn or cracked, replacing them can restore proper sealing and prevent oil or coolant leaks.

#### **Cons:**

1. **Cost** A quality cylinder head set for a 3.8L supercharged engine can be expensive, especially if sourced from a reputable manufacturer. Prices typically range from **$800 $1,500 **, depending on brand and condition (new vs. used).

2. **Labor-Intensive Installation** Replacing cylinder heads requires removing the engine from the vehicle, which involves significant labor (valve adjustment, gasket replacement, torque specifications, and break-in procedures).

3. **Potential for Hidden Damage** If the engine block or other components (e.g., intake manifold, exhaust ports) are damaged, additional repairs may be needed, increasing costs.

4. **Break-In Period Required** New heads may require careful break-in to prevent warping or premature wear, especially if using high-performance materials.

5. **Supercharger Considerations** The 3.8L supercharged engine is known for head gasket failures and overheating. If the issue is primarily a gasket leak rather than head wear, a full head replacement may be overkill.

6. **Alternative Solutions May Exist** In some cases, repairing cracked heads with welding or machining (if the damage isn t severe) can be cheaper than a full replacement.

7. **Market Availability** While this part is widely available, sourcing a high-quality used set (if preferred) may be difficult, and you risk buying a previously damaged or mismatched set.

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### **Conclusion:**

Replacing the cylinder heads on a **1989 1993 3.8L supercharged Thunderbird** is a **major but necessary repair** if the original heads are cracked, warped, or leaking. While the upfront cost and labor are high, it is a **proactive measure to prevent engine failure**, especially in a high-mileage or heavily modified engine. If the issue is isolated to head gaskets or minor leaks, alternatives like gasket replacement or welding may suffice. However, if the heads are beyond repair, a new or high-quality aftermarket set is the best long-term solution.

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### **Recommendation:**

1. **Verify the Root Cause** Before purchasing, confirm that the cylinder heads are indeed the problem (check for leaks, compression tests, or visible cracks).

2. **Choose a Reputable Supplier** If buying new, opt for brands like **Ford Performance, JE, or Eagle** for reliability. If buying used, ensure the set is in pristine condition and properly matched.

3. **Consider Professional Installation** Given the complexity, have a **trusted mechanic** with experience in Ford V8 engines perform the work to avoid mistakes.

4. **Evaluate Alternatives** If the engine is older and not heavily modified, weigh the cost against the vehicle s value. For high-mileage or classic cars, a full head replacement may be justified for longevity.

5. **Pair with Other Upgrades** If replacing heads, consider upgrading the **head gaskets, intake manifold gasket, and supercharger seals** to prevent future issues.

6. **Budget for Additional Repairs** Inspect the engine block, intake manifold, and exhaust ports for damage that may require attention during the rebuild.

**Final Verdict:**

If the cylinder heads are **cracked, warped, or leaking severely**, replacing them with a **new or high-quality aftermarket set is the best long-term solution**, despite the cost. However, if the issue is minor (e.g., just head gaskets), a more targeted repair may be sufficient. Always prioritize **quality parts and professional installation** to ensure the engine runs reliably for years to come.

Details:

Came from a good running 1991 Super coupe with no head gasket or leaking issues.

part #: rfe9se6090d7a price

  • $250.00

specifications cylinderheapar:

  • for models: Sc, Thunderbird
  • for makes: Ford
  • for years: 1989-1993
  • mpn: Rf-e9se-6090-d7a
  • type: Cylinder Head

offer cylinderheapar:

  • sold: 0
  • availability: In Stock
  • started: April 16, 2026
  • quantity: 1
  • options: Ship-to-home

returns cylinderheapar:

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

payments cylinderheapar:

  • credit card: Mastercard
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  • wallet: Paypal

general cylinderheapar:

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

shipping cylinderheapar:

  • service: USPS Ground Advantage, UPS Ground
  • cost: $91.65
  • class: Standard
  • transit: 2-5 Days
  • carrier: USPS, UPS
  • type: Calculated

seller cylinderheapar:

  • # reviews: 7627
  • rating: 99.8%
  • city: Braham, Minnesota
for models: sc, thunderbird, for makes: ford, for years: 1989-1993, type: cylinder head,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 11923481320232731,
Ford RF-E9SE-6090-D7A Is Similar To:
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1 offer $250.00 USD
  • Used. Offer #1 priced at $250.00 + $97.30 shipping estimate = $347.30* total. Came from a good running 1991 Supercoupe with no head gasket or leaking issues.+$97.30 shipping

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