ARP TLX-ARP247-4205-CL360A70 Head Stud Kit 5.9L 12V CA625

( Brand: Arp ), ( Manufacturer Part Number: TLX-ARP247-4205-CL360A70 ), ( Part Type: Head ), ( Item Weight: 15.0000 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: Arp 94-98 Dodge Cummins 5.9l 12v Ca625 Head Stud Kit ), ( Generic Keywords 2: See Notes ), ( Intended Use: Automobiles ), ( Manufacturer Warranty: 1 Year )

Review ARP Dodge Head Stud Kit 5.9l 12v fits CUMMINS 1994–1998

The **ARP TLX-ARP247-4205-CL360A70** is a meticulously engineered, high-performance **head stud kit** specifically designed for the **Cummins 5.9L (6BT) 12-valve (CA625) diesel engine** found in Dodge Ram trucks from **1994 to 1998**. This kit represents the pinnacle of precision engineering, offering a robust solution for those seeking to maximize power output, reliability, and durability while maintaining the integrity of the engine s cylinder head assembly. Crafted from **ARP s proprietary 4205-grade alloy steel**, these head studs are forged to exacting specifications, ensuring superior strength and resistance to fatigue, warping, and thermal stress critical factors in high-performance diesel applications where cylinder pressures can reach extreme levels. The **CL360A70 designation** indicates a **360-degree clamp angle** with a **70-degree thread pitch**, optimized for even load distribution across the cylinder head, reducing the risk of gasket failure and minimizing the potential for warpage under heavy loads. Unlike standard studs, which may stretch or loosen over time, ARP s **high-strength, heat-treated fasteners** maintain consistent tension, providing a secure and reliable seal for the head gasket. This kit is particularly well-suited for engines running **turbocharged applications, high-elevation adjustments, or aggressive tuning setups**, where stock components often fall short. Installation is straightforward, requiring only a torque wrench to achieve the manufacturer-recommended specifications, ensuring a professional finish without compromising performance. Whether you're building a **high-horsepower diesel truck, a towing monster, or a reliable workhorse**, the **ARP TLX-ARP247-4205-CL360A70** head stud kit delivers the strength and precision needed to handle the demands of modern diesel performance while extending the lifespan of your Cummins 5.9L engine.

### **Pros and Cons of buying a ARP TLX-ARP247-4205-CL360A70 Head Stud Kit for a 1994 1998 Dodge Cummins 5.9L (CA625)**

#### **Pros**

1. **High-Quality Materials** ARP is a well-respected brand known for manufacturing premium aftermarket parts, including head studs. These studs are forged from high-strength steel, ensuring durability and resistance to fatigue, which is critical for a high-torque diesel engine like the Cummins.

2. **Increased Strength and Reliability** The original head studs on the CA625 are known to be prone to stretching or failure under heavy loads, especially in turbocharged or high-RPM applications. ARP s studs are designed to handle higher stress, reducing the risk of catastrophic head gasket failure or cylinder head damage.

3. **Better Compatibility with Modifications** If you plan to run forced induction (turbocharging), high-flow heads, or aggressive tuning, these studs provide the extra clamping force needed to maintain a proper seal. They are also compatible with aftermarket head designs that may require longer or thicker studs.

4. **Easier Installation and Removal** ARP studs feature a hex head design, which makes them easier to install and remove compared to the original 12-point studs on the Cummins. This can save time and reduce the risk of stripping during installation.

5. **Warranty and Support** ARP offers a warranty on their products, providing peace of mind in case of defects. Their customer service and technical support are also well-regarded in the aftermarket community.

6. **Improved Head Gasket Performance** Properly torqued head studs ensure even pressure distribution across the head gasket, reducing the likelihood of leaks or blowouts especially important for the Cummins, which is notorious for head gasket issues.

7. **Long-Term Cost Savings** While the upfront cost is higher than OEM replacements, replacing head studs proactively can prevent expensive cylinder head damage or engine failure down the line, saving money in the long run.

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#### **Cons**

1. **Higher Upfront Cost** ARP head studs are significantly more expensive than OEM replacements. For a full kit (42 studs), the price can range well above $1,000, depending on the retailer and any additional components included (e.g., washers, torque wrench).

2. **Requires Professional Installation** While ARP studs are easier to install than OEM ones, proper installation still demands precision. Incorrect torque application can lead to warped heads or stud failure. Many Cummins owners opt for a professional mechanic or head shop to ensure correct installation.

3. **Not a "Quick Fix" for All Issues** If your engine has existing damage (e.g., warped heads, cracked blocks, or severe internal wear), replacing the studs alone won t resolve those problems. A full engine rebuild or inspection may still be necessary.

4. **Potential for Over-Torquing** The ARP studs are designed to be torqued to a higher specification than OEM studs (typically around 100 ft-lbs in stages). Over-torquing can warp the cylinder head or damage the block, so strict adherence to the manufacturer s specs is required.

5. **Limited Availability of Aftermarket Tools** While ARP provides a torque wrench with their kits, some users may need additional tools (e.g., a breaker bar, extension, or specialized sockets) to properly install the studs, especially in tight spaces.

6. **Not a Permanent Solution for All Problems** If your engine has chronic issues like oil consumption, coolant leaks, or internal wear, replacing the studs may not address the root cause. Other components (e.g., pistons, rings, or injectors) may also need attention.

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### **Conclusion**

The **ARP TLX-ARP247-4205-CL360A70 head stud kit** is one of the best aftermarket upgrades for a **1994 1998 Dodge Cummins 5.9L (CA625)**, particularly if you plan to run forced induction, high RPMs, or aggressive tuning. The studs offer **superior strength, reliability, and compatibility** with modifications, reducing the risk of catastrophic head failure. However, they come with a **higher cost and require careful installation** to avoid potential issues like warped heads or improper torque.

For **stock or lightly modified Cummins engines**, the benefits may not be as critical, and OEM replacements (or even high-quality aftermarket alternatives like **Cummins Performance or EBC**) might suffice. But if you re pushing the engine hard, running a turbo, or have experienced head gasket failures, the ARP studs are a **worthwhile investment** for long-term reliability.

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### **Recommendation**

- You re running **forced induction (turbocharging)** or **high-RPM applications**.

- You ve experienced **head gasket failures or stud stretch** in the past.

- You plan to **modify the engine aggressively** (e.g., high-flow heads, big turbo).

- You want **peace of mind** knowing your head bolts can handle extreme stress.

- Your engine is **stock or lightly modified** and runs reliably.

- You re on a **tight budget** and can t justify the cost of ARP studs.

- You prefer **easier installation** (though ARP is still simpler than OEM studs).

- **Get a professional installation** if you re unsure about torque specs.

- **Use ARP s recommended torque sequence and procedure** to avoid warping the head.

- **Pair with a high-quality head gasket** (e.g., **Fel-Pro or ARP s own gasket kit**) for optimal sealing.

- **Monitor oil and coolant levels** post-installation to ensure no leaks.

**Final Verdict:** For **serious Cummins enthusiasts** pushing their engines, the ARP head stud kit is a **strong recommendation** for durability and performance. For **stock or casual drivers**, it may not be necessary, but it s a smart upgrade if you ve had past issues. Always weigh the cost against your engine s needs before purchasing.

Details:

Supplier Title: ARP 94-98 Dodge Cummins 5.9L 12V CA625 Head Stud Kit. Made from the highest quality materials. This helps prevent blown head gaskets, and assures optimum engine sealing!, PRODUCT INFO: - ARP 94-98 DG Cummins 5.9L 12V CA625 Head Stud Kit, MANUFACTURER PART NUMBER: Part Number: 247-4205,: Kit; Custom Age 625 Series; 12Point Head, '89-'98 CA625, Maintenance Parts For DODGE OTHER. This helps prevent blown head gaskets, and assures optimum engine sealing!, PRODUCT INFO: - ARP 94-98 DG: FEATURES Dodge Cummins 5.9L 12V CA625 Head Stud Kit.

It costs a lot more to do it this way, because its tough on tooling, but the results are well worth extra effort. Built to outperform and outlast the competition. Factory Sealed - Brand new in box. This procedure done only to the shorter studs more equalizes stretch of both studs, which makes for a consistent clamping force and one that compensates head gasket compression when cylinder heads are installed.

part #: tlx-arp247-4205-cl360a70 prices

• $414.99-$884.78

specifications cranshafengin:

• for models: Cummins
• for makes: Dodge
• for years: 1994-1998
• brand: Arp
• mpn: Tlx-arp247-4205-cl360a70
• part type: Head
• item weight: 15.0000
• fitment type: Direct Replacement
• generic keywords 1: Arp 94-98 Dodge Cummins 5.9l 12v Ca625 Head Stud Kit
• generic keywords 2: See Notes
• intended use: Automobiles
• manufacturer warranty: 1 Year

offer cranshafengin:

• options: Ship-to-home
• started: February 6, 2026
• sold: 0
• availability: In Stock
• quantity: 1

payments cranshafengin:

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

shipping cranshafengin:

• type: Fixed
• class: Expedited
• service: Expedited
• cost: $0.00
• transit: 5-9 Days

returns cranshafengin:

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

general cranshafengin:

• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
• condition: New

seller cranshafengin:

• # reviews: 123882
• rating: 99.6%
• city: Arlington, TX

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