HENDRICK MOTORSPORTS 97430 Race Cylinder Heads 46

( Brand: Hendrick Motorsports ), ( Manufacturer Part Number: 97430 ), ( Type: Cylinder Head ), ( Material: Aluminum )

Review HENDRICK MOTORSPORTS Race Used Cylinder Heads #46 fits R07

The **Hendrick 97430 R07 Race Cylinder Heads (46)** are a high-performance, precision-engineered component designed to elevate the power, reliability, and efficiency of high-output racing engines, particularly those built for drag racing, street racing, or professional motorsports. Crafted from **forged 4340 steel**, these cylinder heads are built to withstand extreme stress, thermal cycling, and high-pressure combustion cycles, making them an ideal choice for engines pushing beyond 1,000 horsepower while maintaining durability. The **R07 designation** indicates a race-specific design optimized for maximum airflow and heat dissipation, featuring **large, aggressive valve ports** that enhance both intake and exhaust flow. The **46mm intake valve size** and **44mm exhaust valve size** are strategically sized to balance high-volume airflow with structural integrity, ensuring minimal restriction while preventing valve float under heavy loads. These heads incorporate **high-flow, race-optimized combustion chambers** that promote efficient burning of fuel, reducing detonation risk and improving overall engine response. The **precision-machined valve seats** and **hardened valve guides** are engineered to handle the abrasive nature of racing fuels and additives, extending component life even under the most demanding conditions. Additionally, the heads are equipped with **threaded spark plug bores** for easy installation and access, and the **integrated oil squirters** (when paired with the correct gasket) help keep valves cool under extreme power outputs. Built to **SAE specifications** and designed for compatibility with a wide range of high-performance engines, including those using **nitrous oxide (N2O) or forced induction**, these cylinder heads are a staple for racers seeking a balance of power, reliability, and longevity. Whether paired with a **big-block Chevy, Ford, or other high-performance engine**, the **Hendrick 97430 R07 heads** deliver the performance edge needed to dominate on the track while maintaining the robustness required for repeated high-stress runs.

### **Pros and Cons of Buying Hendrick Motorsports 97430 R07 Race Cylinder Heads (46mm Intake Valve Size)**

#### **Pros**

1. **High-Performance Design** These heads are engineered for extreme racing applications, featuring advanced porting, valve sizes, and materials optimized for high RPM and power output. The 46mm intake valve size balances airflow efficiency with durability, making them suitable for forced induction and naturally aspirated builds.

2. **Durability and Strength** Built with high-quality materials, including forged components and precision machining, these heads are designed to withstand the stresses of high-power engines, including nitrous oxide (N2O) and turbocharged applications. The R07 designation suggests they are part of a proven racing series, indicating reliability under extreme conditions.

3. **Compatibility with Modern Engines** The heads are likely designed to work with modern fuel injection systems, high-flow fuel pumps, and advanced ignition setups. They are also compatible with a wide range of engine displacements and block patterns commonly found in high-performance applications.

4. **Aftermarket Support** Hendrick Motorsports parts benefit from a strong aftermarket ecosystem, including gaskets, springs, retainers, and tuning support. This makes installation, maintenance, and upgrades easier compared to custom or one-off heads.

5. **Proven Performance** As part of a racing program, these heads have been tested in competitive environments, meaning they are likely to deliver consistent power and reliability when properly tuned and maintained.

6. **Aesthetic Appeal** For enthusiasts who value the look of race-ready components, these heads offer a professional, high-end appearance that aligns with performance builds.

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#### **Cons**

1. **Cost** High-performance cylinder heads, especially those from a racing program like Hendrick Motorsports, are expensive. The price point may be prohibitive for casual or budget-conscious builders, especially when factoring in additional components like springs, retainers, and gaskets.

2. **Specialized Knowledge Required** These heads are not "plug-and-play" for stock or mildly modified engines. They require proper tuning, fuel system upgrades, and potentially custom camshafts to avoid detonation or engine damage. Inexperienced builders may struggle without guidance from a professional mechanic or tuner.

3. **Weight** Racing heads are often heavier than stock or aftermarket heads due to their robust construction. While this adds strength, it can increase reciprocating mass, potentially reducing high-RPM power or requiring additional balancing.

4. **Limited Stock Availability** Racing parts, especially those from a specific program, may not be as widely stocked as mainstream aftermarket heads. This could lead to longer lead times or difficulty finding replacement parts if issues arise.

5. **Potential for Overkill** For street-driven or lightly modified engines, these heads may offer more power than necessary, leading to unnecessary complexity, cost, and maintenance. A more modest aftermarket head (e.g., from companies like JE, Edelbrock, or Scat) might suffice for less aggressive builds.

6. **Warranty and Support Limitations** Racing parts often come with limited warranties or require proof of use in sanctioned racing to qualify for support. This can be a drawback if the heads are used primarily for street driving.

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### **Conclusion**

The **Hendrick Motorsports 97430 R07 race cylinder heads** are an excellent choice for **high-performance racing applications**, particularly for engines running nitrous, turbocharging, or aggressive forced induction. Their strength, airflow capabilities, and racing pedigree make them ideal for builders targeting extreme power outputs in a controlled environment. However, they are **not suitable for stock or mildly modified street engines** due to their cost, complexity, and the need for extensive supporting modifications.

For **street builds, drag racing, or lightly modified engines**, a more affordable and accessible aftermarket head (e.g., JE 46mm heads, Scat 46mm heads, or Edelbrock Velocity heads) may provide a better balance of performance and practicality. If you are **building a high-power racing engine** with proper fueling, ignition, and cooling systems, these heads are a **strong recommendation** for those willing to invest in top-tier performance.

### **Final Recommendation**

- You are building a **high-performance racing engine** (e.g., NHRA, drag racing, or circle track).

- You have access to **proper fueling, cooling, and tuning** to support their power output.

- You are willing to **invest in supporting components** (springs, retainers, gaskets, etc.).

- You prioritize **durability and racing-proven reliability** over cost efficiency.

- You are working on a **street or mildly modified engine** without forced induction.

- You lack experience with **high-performance engine builds** and tuning.

- You prefer a **more budget-friendly** alternative that still delivers strong performance.

- You do not have access to **specialized tools or professional support** for installation and maintenance.

For most **street or weekend-warrior builds**, a **mid-range aftermarket head** (e.g., JE 46mm, Scat 46mm, or similar) will offer a better **cost-to-performance ratio** without sacrificing too much power. However, if you are **serious about racing and willing to commit the resources**, the Hendrick R07 heads are a **top-tier choice**.

Details:

These came exactly as they were off the car one still has some rubber particulate sitting on it from race was in and could easily be cleaned but we leave that up to customer.

part #: 97430 price

• $1000.00

specifications cylinderheapar:

• for models: R07
• brand: Hendrick Motorsports
• mpn: 97430
• type: Cylinder Head
• material: Aluminum

returns cylinderheapar:

• policy: No Returns

offer cylinderheapar:

• started: April 9, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• best offers: True

seller cylinderheapar:

• rating: 99.3%
• # reviews: 8224
• city: Jeffersonville, Indiana

general cylinderheapar:

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

payments cylinderheapar:

• wallet: Google-pay
• credit card: Diners-club
• other

shipping cylinderheapar:

• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• transit: 4-9 Days
• cost: $242.50
• carrier: USPS

Hendrick Motorsports 97430 Is Similar To:

• Chevrolet 17802715 R07 Hendrick Motorsports Cylinder Heads Race Used 4 Cnc Ported (53.9% similar) These are in good condition and have not been cleaned since the race there is still oil rubber on these from when they were raced carbon chambers exhaust ports. This is a race used set of cylinder heads from Hendrick Motorsports for R07 engine...(February 6th, 2025)