ARP TLX-ARP200-8634-CL360A70 Nut Hex Kit 661317387569 3/8-24

( Brand: Arp ), ( Manufacturer Part Number: TLX-ARP200-8634-CL360A70 ), ( Type: Automotive ), ( Features: Easy Installation ), ( Item Height: 4.000 ), ( Item Length: 0.210 ), ( Item Weight: 0.2100 ), ( Item Width: 6.000 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: See Notes ), ( Intended Use: Automobiles ), ( Manufacturer Warranty: 1 Year ), ( UPC: 661317387569 )

Review ARP Nut Kit 3/8-24 Hex

The **ARP TLX-ARP200-8634-CL360A70 Nut Kit (3/8-24 Hex)** is a high-performance, precision-engineered hardware solution designed for demanding industrial, automotive, and heavy-duty applications where reliability and durability are paramount. This kit features a **3/8-inch (9.525 mm) coarse thread (24 threads per inch)** nut, crafted from **high-strength, low-alloy steel** to ensure exceptional resistance to wear, fatigue, and corrosion, making it ideal for environments exposed to harsh conditions such as moisture, vibration, or extreme temperatures. The **hex nut** is machined to tight tolerances, guaranteeing a secure and consistent fit when paired with compatible bolts or studs, reducing the risk of loosening or failure under heavy loads. The **CL360A70 designation** indicates a specialized coating or treatment likely a **black oxide or zinc plating with a protective clear topcoat** which enhances its resistance to rust and abrasion while maintaining a clean, professional appearance. This finish not only extends the nut s lifespan but also prevents galvanic corrosion when used in conjunction with dissimilar metals. The nut s **hex shape** ensures easy installation and removal with standard wrenches or sockets, offering a balance between grip and ease of use, even in tight spaces. Whether integrated into structural frameworks, automotive suspension systems, or industrial machinery, this nut kit delivers **superior load-bearing capacity** and **long-term performance**, making it a trusted choice for engineers and fabricators seeking components that meet or exceed industry standards. Its versatility and robustness ensure it can be seamlessly incorporated into a wide range of applications, from heavy-duty construction to precision assembly, where precision and strength are non-negotiable.

### **Pros and Cons of buying a ARP TLX-ARP200-8634-CL360A70 Nut Kit (3/8-24 Hex)**

#### **Pros**

1. **High-Quality Construction** ARP is a well-respected brand in the automotive and performance tuning industry, known for durable, precision-engineered components. This nut kit is designed to withstand high stress and vibration, making it suitable for demanding applications.

2. **Precision Threading** The 3/8-24 hex nut design ensures a secure, tight fit, reducing the risk of loosening under heavy loads or dynamic conditions (e.g., suspension systems, engine mounts, or performance parts).

3. **Compatibility with ARP Hardware** This kit is specifically designed to work seamlessly with other ARP products, such as bolts, studs, and clamps. If you re already using ARP components, this kit ensures consistency in fit and performance.

4. **Corrosion Resistance** The nuts are likely made from high-strength steel with a protective coating (such as zinc or black oxide), which helps prevent rust and extends their lifespan, especially in harsh environments.

5. **Easy Installation** The hex design allows for straightforward installation with standard tools (e.g., wrenches or sockets), and the 3/8-24 thread size is common in automotive and performance applications, making replacements or upgrades simple.

6. **Cost-Effective for High-Stress Applications** While not the cheapest option, the durability and reliability of ARP nuts justify the cost for critical applications where failure is not an option (e.g., suspension upgrades, engine mounts, or heavy-duty setups).

7. **Widely Available Support** ARP has extensive documentation, customer support, and a reputation for reliability, so troubleshooting or finding replacements is easier than with lesser-known brands.

---

#### **Cons**

1. **Higher Upfront Cost** Compared to generic or aftermarket nuts, ARP products are premium-priced. If you re on a tight budget or only need basic nuts for non-critical applications, this may not be the most economical choice.

2. **Overkill for Mild Applications** If you re using these nuts in low-stress areas (e.g., interior trim or non-performance parts), the extra strength and cost may not be justified. In such cases, standard or budget-friendly nuts would suffice.

3. **Limited Customization** Unlike some aftermarket brands, ARP doesn t offer a wide variety of finishes or customization options (e.g., colored coatings or specialty treatments). If aesthetics or specific material preferences matter, you may need to look elsewhere.

4. **Potential Overkill for Stock Vehicles** For stock or lightly modified vehicles, the extreme durability of ARP nuts might be unnecessary. In these cases, standard OEM or mid-range aftermarket nuts could provide adequate performance at a lower cost.

5. **Tooling Requirements** While the hex design is standard, you ll need the appropriate tools (e.g., a 3/8-inch drive wrench or socket) to install them properly. If you lack the right tools, additional purchases may be needed.

6. **Weight Consideration** ARP nuts are robust and may be slightly heavier than generic alternatives. In applications where weight reduction is critical (e.g., high-performance racing), this could be a minor drawback.

---

### **Conclusion**

The **ARP TLX-ARP200-8634-CL360A70 Nut Kit (3/8-24 Hex)** is an excellent choice for **high-stress automotive, performance tuning, or suspension applications** where reliability and durability are paramount. Its precision engineering, compatibility with ARP s ecosystem, and resistance to wear make it a trusted option for serious builders and tuners. However, for **budget-conscious buyers, low-stress applications, or non-performance setups**, the cost may not be justified, and standard or mid-range alternatives could be more practical.

### **Recommendation**

- You re working on **suspension upgrades, engine mounts, or high-performance modifications** where failure is unacceptable.

- You re already using **ARP hardware** and want consistent, high-quality components.

- You prioritize **long-term durability and corrosion resistance** over cost savings.

- You re on a **tight budget** and only need nuts for mild applications (e.g., interior trim or stock vehicles).

- You prefer **lighter or more customized finishes** (e.g., colored nuts or specialty coatings).

- You re unsure whether the nuts will be subjected to extreme stress, and a cheaper alternative would suffice.

For most **performance enthusiasts and tuners**, the ARP nut kit is a **worthwhile investment** due to its reputation for quality and reliability. However, always weigh the cost against your specific needs before purchasing.

Details:

All hex nuts are rated 180,000 psi tensile strength. Made from the highest quality materials. PRODUCT INFO: - ARP 3/8-24 Hex Nut Kit, MANUFACTURER PART NUMBER: Part Number: 200-8634,: hex, 8740 Chrome Molly, 3/8 -24, Socket Size: 9/16 hex,: FEATURES Kit. Nuts meet Raps exacting quality control standards and are black oxides.

Built to outperform and outlast the competition. Factory Sealed - Brand new in box. Supplier Title: ARP 3/8-24 Hex Nut Kit.

part #: 661317387569 prices

• $12.88-$31.34

specifications otruckbedaccessories:

• brand: Arp
• mpn: Tlx-arp200-8634-cl360a70
• type: Automotive
• features: Easy Installation
• item height: 4.000
• item length: 0.210
• item weight: 0.2100
• item width: 6.000
• fitment type: Direct Replacement
• generic keywords 1: See Notes
• intended use: Automobiles
• manufacturer warranty: 1 Year
• upc: 661317387569

shipping otruckbedaccessories:

• service: Expedited
• cost: $0.00
• class: Expedited
• transit: 2-6 Days
• type: Fixed

seller otruckbedaccessories:

• # reviews: 147438
• city: Arlington, TX
• rating: 99.7%

payments otruckbedaccessories:

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

general otruckbedaccessories:

• Exterior Parts Accessories > Truck Beds Parts > Truck Bed Accessories
• condition: New

offer otruckbedaccessories:

• started: March 26, 2026
• options: Ship-to-home
• quantity: 2
• availability: In Stock
• sold: 0

returns otruckbedaccessories:

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

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