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  3. ARP 555-9702

ARP 555-9702 Engine Fastener Kit 672036015480 12PT

fits make: Ford.

555-9702 Arp Ford Fe Complete Engine Fastener Kit 12pt

( Brand: Arp ), ( Manufacturer Part Number: 555-9702 ), ( Part Type: Engine Fastener ), ( UPC: 672036015480 )

Review ARP Ford Fe Complete Engine Fastener Kit 12pt

The **ARP 555-9702 Ford FE Engine Fastener Kit (12-Point)** is a premium, high-performance fastener solution meticulously engineered to meet the rigorous demands of classic and high-output Ford FE engine applications. Designed for durability and reliability, this kit features a comprehensive selection of **12-point fasteners**, including high-strength bolts, studs, and nuts, all crafted from **ARP s proprietary 300M alloy steel**, which delivers exceptional tensile strength and fatigue resistance. The fasteners undergo a rigorous **cold-forged process**, ensuring precise dimensions and a smooth, consistent thread profile that minimizes stress concentrations and prevents premature wear or failure critical factors in engines operating under extreme loads or high RPM conditions. Each component is **heat-treated and case-hardened** to achieve an optimal balance of strength and ductility, making them ideal for applications where traditional fasteners would succumb to vibration, torque fluctuations, or thermal cycling. The **12-point drive design** provides superior torque retention and reduces the risk of rounding or stripping, even under heavy break-loose conditions, while the **black oxide finish** offers corrosion resistance, protecting the fasteners from the harsh environments found in engine bays. Whether installed in a restored FE engine, a high-performance street rod, or a competition-grade drag car, this kit ensures a secure, long-lasting assembly that can withstand the demands of aggressive driving, high horsepower setups, or prolonged use in demanding applications. ARP s reputation for precision engineering and performance-driven solutions makes this fastener kit a trusted choice for enthusiasts and professionals seeking uncompromising reliability in their Ford FE powerplants.

### **Pros and Cons of buying a ARP 555-9702 Ford FE Engine Fastener Kit (12pt)**

#### **Pros:**

The **ARP 555-9702** is a high-quality fastener kit designed specifically for the **Ford FE engine**, a robust and widely used powerplant in classic and high-performance applications. Here are the key advantages:

1. **Premium Quality and Durability**

- ARP fasteners are known for their **high-strength, heat-treated steel**, making them significantly stronger than OEM or aftermarket alternatives. This reduces the risk of failure under heavy loads or extreme conditions.

- The **12-point drive design** provides better torque distribution compared to standard 6-point bolts, minimizing the chance of rounding or stripping.

2. **Precision-Machined for Fitment**

- The kit is **engineered to exact specifications**, ensuring a proper fit without clearance issues that could lead to vibration or loosening over time.

- ARP fasteners are **thread-rolled** rather than cut, which increases thread strength and prevents galling (seizure) under high stress.

3. **Corrosion Resistance**

- Many ARP fasteners come with **black oxide or zinc plating**, which helps prevent rust and extends the life of the hardware, especially in high-humidity or salt-exposed environments.

4. **Compatibility with High-Performance Applications**

- The Ford FE engine is often modified for **high horsepower or forced induction**, making strong, reliable fasteners essential. ARP s products are trusted in **racing, drag racing, and street performance builds** where failure is not an option.

5. **Warranty and Reliability**

- ARP offers a **strong warranty** on their fasteners, reflecting their confidence in product quality. This provides peace of mind for serious builders and restorers.

6. **Reduces Risk of Engine Damage**

- Weak or improper fasteners can lead to **cracked blocks, warped heads, or sheared studs**, which are costly to repair. ARP fasteners mitigate these risks by holding components securely under extreme stress.

7. **Easier Installation and Maintenance**

- The **12-point design** allows for better torque application with sockets, reducing the chance of rounding the bolt head during installation or removal.

---

#### **Cons:** While the **ARP 555-9702** is an excellent product, there are some potential drawbacks to consider:

1. **Higher Upfront Cost**

- ARP fasteners are **significantly more expensive** than OEM or generic aftermarket alternatives. For budget-conscious builders, this can be a major deterrent, especially if the entire engine is being rebuilt.

- The cost may not be justified for **light-duty or stock applications** where OEM fasteners are sufficient.

2. **Specialized Tools May Be Required**

- Some ARP fasteners (particularly **stud bolts**) may require **specialized tools** for proper installation, such as **ARP torque wrenches or break-away stud tools**. This adds to the overall cost and complexity of the build.

- If the builder lacks these tools, purchasing them separately increases expenses.

3. **Potential Overkill for Some Applications**

- Not every Ford FE engine build requires **ARP-level fasteners**. If the engine is being used in a **low-stress, stock, or lightly modified application**, standard **OEM or high-quality aftermarket bolts** (e.g., **AC Delco, Moroso, or ECI**) may be adequate.

- Using ARP fasteners in such cases may be **unnecessary spending** without proportional benefits.

4. **Installation Time and Learning Curve**

- ARP fasteners often require **precise torque specifications** and **proper lubrication** (e.g., ARP s **Thread Locker or anti-seize compound**) to prevent overtightening or galling.

- Inexperienced builders may struggle with **correct installation techniques**, potentially voiding warranties or causing damage if not done properly.

5. **Limited Availability in Some Regions**

- While ARP is widely distributed, **local availability** can be an issue in certain areas, requiring online purchases with shipping costs.

- Some specialty parts stores may not stock ARP, forcing buyers to order directly from the manufacturer.

6. **Potential for Over-Tightening**

- Due to their high strength, **ARP fasteners can fail if overtightened**. This requires **strict adherence to torque specs** and careful monitoring during installation.

- A builder unfamiliar with proper torque values may accidentally damage the engine or fasteners.

7. **Not a "Drop-In" Replacement for All Cases**

- Some **critical fasteners** (e.g., **main studs, rod bolts**) may require **specialized hardware** (like **ARP s break-away studs**) that aren t universally compatible with every FE engine build.

- In rare cases, **custom machining** may be needed to ensure a perfect fit, adding to the cost.

---

### **Conclusion:**

The **ARP 555-9702 Ford FE Engine Fastener Kit (12pt)** is one of the best **high-performance fastener solutions** available for the Ford FE engine, particularly for **serious builders, racers, and high-horsepower applications**. Its **superior strength, precision engineering, and reliability** make it a **worthwhile investment** for those who demand the absolute best in engine durability and performance.

However, it is **not the best choice** for every situation. If the engine is being used in a **stock, low-stress, or budget-friendly application**, cheaper alternatives may suffice. Additionally, the **higher cost, specialized tools, and installation requirements** mean that this kit is **best suited for experienced builders** who understand the importance of **proper fastener selection and installation**.

### **Recommendation:** - **Buy the ARP 555-9702 if:**

- You are **building a high-performance, high-horsepower, or racing FE engine**.

- You **prioritize reliability and longevity** over cost savings.

- You have **access to proper tools** (torque wrenches, break-away stud tools, etc.) and **experience with high-strength fasteners**.

- You plan to **modify the engine aggressively** (forced induction, nitrous, extreme power levels).

- **Consider alternatives if:**

- Your build is **stock or lightly modified**, and OEM or **high-quality aftermarket bolts** (e.g., **Moroso, ECI, or AC Delco**) are sufficient.

- You are **working on a tight budget** and cannot justify the premium price.

- You are **not experienced with high-performance engine builds** and may struggle with proper installation techniques.

For most **serious FE engine restorations or performance builds**, the **ARP 555-9702 is the best choice** its **superior strength and reliability** far outweigh the higher cost for those who need it. However, **careful consideration of the build s requirements** is essential to determine whether it is the right fit.

Details:

Engine and Accessory Fastener Kit - 12 Point Head Chorally Black Oxide Ford FE-Series.

part #: 5559702 prices

  • $187.99-$246.98

specifications pistonrinro:

  • for makes: Ford
  • brand: Arp
  • mpn: 555-9702
  • part type: Engine Fastener
  • upc: 672036015480

shipping pistonrinro:

  • transit: 3-8 Days
  • class: Standard
  • carrier: USPS
  • type: Fixed
  • service: USPS Ground Advantage
  • cost: $0.00

offer pistonrinro:

  • sold: 0
  • options: Ship-to-home
  • started: April 7, 2026
  • quantity: 5
  • availability: In Stock

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general pistonrinro:

  • condition: New
  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts

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

seller pistonrinro:

  • city: Charlestown, Massachusetts
  • rating: 98.2%
  • # reviews: 490
for makes: ford, part type: engine fastener,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, sku: 13148445177124853,
Arp 555-9702 Is Similar To:
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5 offers $187.99–$246.98 USD
  • New. Offer #1 priced at $190.64 + $0.00 shipping estimate = $190.64* total. They produce a number of specialty products like cylinder head fastener kits, connecting rod bolts, exhaust manifold/header fastener kits, oil pan fastener kits, piston ring compressors, and more.FREE SHIPPING
  • New. Offer #2 priced at $187.99 + $24.15 shipping estimate = $212.14* total. +$24.15 shipping
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  • New. Offer #4 priced at $193.99 + $0.00 shipping estimate = $193.99* total. Traditionalists will appreciate the strength and functionality of ARP's heat-treated 8740 Chrome Moly steel alloy bolts, which feature a black oxide finish. It's easy to assemble a show-quality engine when you use ARP's handy Engine & Accessory Fastener Kit.FREE SHIPPING
  • New. Offer #5 priced at $192.28 + $0.00 shipping estimate = $192.28* total. FREE SHIPPING

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