1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 11442517323865762
  3. WINDY CITY ENGINE HD1242A

WINDY CITY ENGINE PARTS HD1242A Bar Cylinder Head Bolts 7/16 F3ZE-AA

fits model: Gt40, 302. make: Ford.

F3ze-aa Windy City Engine & Parts Hd1242a 302 Ford 3 Bar Gt40 Remanufactured Cylinder Head 7/16 Inch Bolts #f3ze-aa

( Brand: Windy City Engine Parts ), ( Manufacturer Part Number: HD1242A ), ( Part Type: Bar Cylinder Head Bolt ), ( Oe/oem Part Number: F3ze-aa, F3ze ), ( Location: 11b7 )

Review WINDY CITY ENGINE PARTS Ford Bar Remanufactured Cylinder Head 7/16 Inch Bolts #f3ze-aa fits GT40 302

The **Ford HD1242A 302 Big Block Engine Cylinder Head** is a meticulously crafted, high-performance component designed to deliver uncompromising power and reliability for the legendary **Ford 302 Big Block (FE-series) engine**, specifically tailored for the **Bar GT40 and other classic Ford racing applications**. This **7/16-inch bolt pattern** head, identified by the **F3ZE-AA** designation, embodies the engineering precision that made the GT40 a dominant force in motorsport history. Built to exacting specifications, the HD1242A head features **cast aluminum construction** with reinforced valve seats and a robust port design optimized for high-flow performance, ensuring superior airflow and combustion efficiency. The **intake and exhaust ports** are generously sized and sculpted to minimize turbulence while maximizing velocity, allowing for increased horsepower and torque output critical for both street and track applications. The **valve guide and seat assembly** is engineered with durability in mind, utilizing high-quality materials to withstand the extreme heat and stress of forced induction or high-revving engines. Whether paired with a **Cleveland, Windsor, or other 302-based block**, this head is designed to complement the aggressive nature of the GT40 s racing heritage, offering a seamless blend of vintage aesthetics and modern performance enhancements. Ideal for restorers, racers, and enthusiasts seeking authenticity with a performance edge, the HD1242A head is a testament to Ford s legacy of building engines that push boundaries whether on the drag strip or at Le Mans.

**Pros and Cons of Buying a Ford GT40 Cylinder Head (HD1242A, 302 Ford Bar GT40, 7/16 Bolts, F3ZE-AA)**

### **Pros**

1. **Historical and Collectible Value** The Ford GT40 is one of the most iconic race cars in motorsport history, particularly from the 1960s. A genuine cylinder head from this model is highly sought after by collectors, restorers, and enthusiasts. Its rarity and association with Le Mans victories make it a valuable piece for those passionate about automotive history.

2. **Performance and Authenticity** If you are restoring or building a period-correct GT40, using original or high-quality reproduction parts ensures the engine runs as intended by Ford and Carroll Shelby. The HD1242A head is designed for the 302 cubic inch Ford V8, which was a powerful and reliable engine in its day. Using the correct head ensures proper airflow, valve timing, and overall performance.

3. **Compatibility with Replicas and Restorations** Many modern GT40 replicas and restored cars rely on original or reproduction parts to maintain authenticity. The F3ZE-AA designation suggests this is a well-documented, high-quality reproduction, meaning it should fit and function correctly with minimal modifications. This is particularly useful for those who want to avoid modern aftermarket parts that may compromise the car s historical integrity.

4. **Investment Potential** As the GT40 remains a legendary car, parts like cylinder heads can appreciate in value over time, especially if they are in excellent condition or come from a well-documented source. For serious collectors, this could be a long-term investment.

5. **Craftsmanship and Quality** Reputable manufacturers of GT40 parts often use high-quality materials and precision machining to replicate original components. If the head is from a trusted source, it should be built to last, reducing the risk of premature failure.

6. **Community and Support** Owning a GT40 part means access to a passionate community of owners, restorers, and mechanics who can provide guidance, tips, and support. This can be invaluable when dealing with a complex or rare vehicle.

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### **Cons**

1. **High Cost** Original GT40 parts are extremely rare and often command high prices due to their scarcity and demand. Even high-quality reproductions can be expensive, especially if they are sourced from reputable manufacturers. For a budget-conscious builder, this may be a significant financial hurdle.

2. **Limited Availability** Finding a genuine or high-quality reproduction of this specific part can be difficult. Many sellers may not have the exact HD1242A head, and sourcing it may require extensive searching through auctions, specialty forums, or international suppliers. This can add time and uncertainty to the restoration process.

3. **Potential for Counterfeit or Low-Quality Parts** The GT40 s popularity has led to an influx of counterfeit or poorly made reproductions. Without thorough research or verification from a trusted source, there is a risk of purchasing a part that does not meet original specifications, leading to performance issues or compatibility problems.

4. **Maintenance and Replacement Challenges** Even with a high-quality head, maintaining or replacing components (such as valves, springs, or seals) can be difficult due to the part s age and rarity. Finding original or compatible replacement parts may require special ordering or sourcing from niche suppliers.

5. **Time-Consuming Restoration** Restoring a GT40 or integrating a new cylinder head into an existing engine often requires significant time and expertise. This may involve machining, porting, or other modifications to ensure the part fits and functions correctly, which can delay project completion.

6. **Risk of Overpaying** Due to the part s desirability, some sellers may inflate prices, especially for original or "vintage" items. Buyers must be prepared to research market values, compare prices, and verify the authenticity of the part to avoid overpaying.

7. **Compatibility with Modern Modifications** If you plan to modify the engine (e.g., forced induction, high-performance camshafts, or other upgrades), the original GT40 head may not be suitable without significant modifications. Some modern aftermarket heads or high-performance alternatives might offer better performance with less hassle.

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### **Ending Conclusion**

Buying a Ford GT40 cylinder head (HD1242A, 302 Ford Bar, 7/16 bolts, F3ZE-AA) is a significant decision that hinges on your goals. If you are a collector, restorer, or enthusiast prioritizing historical accuracy and the legacy of the GT40, this part is a worthwhile investment. It offers unmatched authenticity, potential appreciation in value, and the satisfaction of owning a piece of automotive history. However, the high cost, limited availability, and potential challenges in sourcing or maintaining the part must be carefully considered.

For those on a tighter budget or seeking performance without the historical focus, modern alternatives (such as high-quality aftermarket heads or performance-oriented reproductions) may offer better value. Additionally, if you are not committed to a full restoration, the practicality of using this part may be outweighed by the difficulties of working with a rare and sensitive component.

Ultimately, this purchase is ideal for dedicated GT40 owners or restorers who value authenticity above all else. For everyone else, weighing the pros and cons against practical alternatives is essential to ensure the decision aligns with your project s needs and budget.

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### **Recommendation**

If you are restoring a GT40 or building a period-correct replica and have the financial means, purchasing this cylinder head is highly recommended. Ensure you source it from a reputable manufacturer or seller with a proven track record (such as **Ford GT40 Replicas, Classic Ford Parts, or trusted eBay sellers with verified GT40 parts history**). Verify the part s authenticity, condition, and compatibility before committing to the purchase.

For those not committed to a full restoration or working within a limited budget, consider consulting with GT40 experts or mechanics to explore alternative heads (such as **Ford 289 or 351W heads with appropriate modifications**) that may offer better performance or cost-effectiveness without sacrificing too much authenticity.

Always prioritize quality over price and seek advice from the GT40 community to avoid costly mistakes.

Details:

Cut valve seats. Each Valve is vacuum tested to insure a perfect seal between the valve and seat. Head is assembled with all new valve seals and freeze plugs. All parts are thoroughly cleaned and inspected before assembly.

Process Includes. Milled to ensure straightness and correct finish. Windy City Engine Parts. All valves are reground or replaced with new.

All machine work performed on the latest state of art equipment. 1 Remanufactured Cylinder head, Fits 302 Ford GT40 With 3-bars on end 7/16 Head bolt Holes And Casting number F3ZE-AA, was remanufactured by. to insure no cracks in casting. Guide work performed/replaced with new guides or liners as needed.

part #: hd1242a prices

  • $550.00-$1250.00

specifications cylinderheapar:

  • for models: Gt40, 302
  • for makes: Ford
  • brand: Windy City Engine Parts
  • mpn: Hd1242a
  • part type: Bar Cylinder Head Bolt
  • oe/oem part number: F3ze-aa, F3ze
  • location: 11b7

general cylinderheapar:

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

offer cylinderheapar:

  • options: Ship-to-home
  • started: February 5, 2026
  • availability: In Stock
  • sold: 0
  • quantity: 4

shipping cylinderheapar:

  • transit: 2-6 Days
  • service: UPS Ground, UPS Next Day Air Saver, UPS Next Day Air
  • carrier: UPS
  • cost: $160.38
  • type: Calculated
  • class: Standard, One-day

seller cylinderheapar:

  • rating: 99.9%
  • City: Chicago, Illinois
  • # reviews: 2711

payments cylinderheapar:

  • credit card: Discover
  • wallet: Apple-pay
  • other

returns cylinderheapar:

  • policy: No Returns
for models: gt40, 302, for makes: ford, part type: bar cylinder head bolt, oe/oem part number: f3ze-aa, f3ze, location: 11b7,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 11442517323865762,
Windy City Engine Parts HD1242A Is Similar To:
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3 offers $550.00–$1250.00 USD
  • Remanufactured. Offer #1 priced at $1250.00 + $196.49 shipping estimate = $1446.49* total. All parts are thoroughly cleaned and inspected before assembly. 3836848, 3835913.+$196.49 shipping
  • Remanufactured. Offer #2 priced at $550.00 + $160.38 shipping estimate = $710.38* total. Head is assembled with all new valve seals and freeze plugs 302 Ford GT40.+$160.38 shipping
  • Remanufactured. Offer #3 priced at $550.00 + $160.38 shipping estimate = $710.38* total. 1/2" Head bolt Holes 302 351W Ford GT40.+$160.38 shipping

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