fits make: Honda.

( Brand: Arp ), ( Manufacturer Part Number: TLX-ARP208-4306-CL360A70 ), ( Part Type: Head ), ( Item Weight: 3.1000 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: See Notes ), ( Intended Use: Automobiles ), ( Manufacturer Warranty: 1 Year )
The **ARP TLX-ARP208-4306-CL360A70 Head Stud Kit** is a meticulously engineered performance upgrade designed specifically for Honda s legendary **B20B** and **B16A** inline-four engines, offering a seamless blend of precision, durability, and high-performance potential. This kit replaces the stock head studs with **high-strength, cold-forged ARP 7075-T6 aluminum alloy studs**, engineered to withstand extreme clamping loads while maintaining exceptional fatigue resistance critical for engines running high boost, aggressive camshaft profiles, or forced induction setups. Each stud is **thread-rolled** for enhanced thread strength and corrosion resistance, ensuring a secure, vibration-dampening grip that minimizes the risk of loosening under heavy loads. The **CL360A70** designation indicates a **360-degree clamping load** of **70,000 psi**, a benchmark for reliability in high-performance applications, while the **A70** variant features a **7/16"-20 thread size**, perfectly matching the stock Honda head bolt pattern. Beyond raw strength, these studs incorporate **ARP s proprietary thread coating**, which reduces friction and prevents galling, ensuring smooth installation and long-term reliability even under the most demanding conditions. Whether you're running a naturally aspirated high-RPM setup, a turbocharged or supercharged application, or a nitrous-boosted engine, this kit provides the structural integrity needed to handle elevated cylinder pressures without compromising the integrity of the cylinder head or block. The **TLX series** further distinguishes this kit with its **tapered design**, which distributes clamping force more evenly across the head, reducing stress concentrations and promoting a more uniform seal. Installation is straightforward, requiring only standard tools and a torque wrench, though ARP recommends following their **strict torque specifications** to maximize performance and longevity. For enthusiasts seeking to push their Honda B-series engine beyond factory limits whether for drag racing, track days, or high-revving street applications the **ARP TLX-ARP208-4306-CL360A70 Head Stud Kit** is an indispensable upgrade, combining unmatched strength, precision engineering, and the confidence of a brand synonymous with performance automotive solutions.
### **Pros and Cons of buying a ARP TLX-ARP208-4306-CL360A70 Head Stud Kit for Honda B20B/B16A Engines**
#### **Pros**
1. **High-Quality Materials** ARP is a well-respected brand known for durable, high-strength components. The head studs are forged from premium steel, offering superior strength and resistance to fatigue compared to stock or aftermarket alternatives.
2. **Increased Compression and Power** The kit replaces stock head studs, which can be a weak point under high boost or aggressive tuning. ARP s studs allow for higher compression ratios and better power output, especially when combined with forced induction.
3. **Better Heat Dissipation** ARP head studs have improved heat transfer properties, reducing the risk of warping or failure under high-temperature conditions, which is critical for turbocharged or supercharged applications.
4. **Compatibility with Aggressive Tuning** If you re running a turbocharged B20B/B16A (such as in a B16B-based build), these studs are designed to handle the increased stress from higher boost levels without stretching or seizing.
5. **Long-Term Reliability** Many ARP components are known for lasting decades with proper maintenance. These studs are less likely to fail prematurely compared to cheaper alternatives, reducing the risk of catastrophic engine damage.
6. **Easy Installation** While they require proper torque specifications (not to be confused with stock studs), ARP provides clear instructions, and the threads are designed for a clean fit on Honda s head patterns.
7. **Warranty and Support** ARP offers a solid warranty, and their customer service is generally responsive, which can be reassuring for high-performance builds.
---
#### **Cons**
1. **Cost** ARP head studs are significantly more expensive than stock or basic aftermarket alternatives. For a B20B/B16A, the price may be a barrier for budget-conscious builders, especially if other critical upgrades are needed.
2. **Torque Sensitivity** Unlike stock studs, which can stretch slightly and self-tighten, ARP studs must be torqued precisely to specification. Over-torquing can strip threads or damage the head, while under-torquing leaves the head unsupported. This requires careful attention during installation.
3. **Not a Standalone Solution** While these studs improve reliability, they do not address other potential weak points in a B20B/B16A engine, such as:
- **Rod bolts** (often a failure point under high power)
- **Main bearing caps** (some B20B/B16A engines have weak stock caps)
- **Pistons and connecting rods** (may need reinforcement for high boost)
- **Head gasket** (must be upgraded to a high-quality option like ARP or Fel-Pro)
Without addressing these areas, the engine may still be at risk under extreme stress.
4. **Installation Complexity** Replacing head studs requires removing the head, which is a major job. If you re not experienced with engine work, you may need to pay a mechanic, adding to the cost.
5. **Potential for Overkill (If Not Needed)** If your B20B/B16A is running naturally aspirated or low boost (e.g., under 10 psi), the stock studs may still be adequate. In such cases, the expense may not be justified unless you plan to modify the engine later.
6. **Limited Aftermarket Support** While ARP is reliable, some tuners or builders may prefer other brands (e.g., MEGA, JE, or custom studs) depending on specific engine modifications. Ensure compatibility with your build s other components.
---
### **Conclusion**
The **ARP TLX-ARP208-4306-CL360A70 head stud kit** is one of the best aftermarket options for a **B20B/B16A engine**, particularly if you re running **forced induction, high boost, or aggressive tuning**. It provides a significant upgrade in strength, reliability, and heat management compared to stock components. However, it is **not a universal fix** it must be part of a broader engine reinforcement plan, especially if you re pushing the engine to extreme power levels.
For **naturally aspirated or lightly modified B20B/B16A engines**, the cost may not be worth it unless you anticipate future modifications. In those cases, a **budget-friendly alternative** (like MEGA or JE studs) might suffice.
If you re **seriously modifying your B20B/B16A with a turbo or supercharger**, these ARP studs are a **strong recommendation**, but they should be paired with:
- **Upgraded rod bolts** (e.g., ARP or MEGA)
- **Reinforced main bearing caps** (if stock)
- **High-quality head gaskets** (ARP or Fel-Pro)
- **Proper torque specifications** (follow ARP s guidelines strictly)
---
### **Final Recommendation**
**Buy the ARP head stud kit if:**You re running **forced induction (turbo/supercharger) with moderate to high boost** (e.g., 15 psi).
You plan to **push your B20B/B16A to high power levels** (300 hp) and want long-term reliability.
You re already upgrading other critical components (rod bolts, caps, gaskets).
You have **experience with engine work** or are willing to pay for professional installation.
**Avoid or consider alternatives if:**Your engine is **naturally aspirated or lightly modified** (stock studs may suffice).
You re on a **tight budget** and can t justify the cost without future modifications.
You re not planning to **address other weak points** (rod bolts, caps, etc.).
You prefer **cheaper alternatives** (e.g., MEGA or JE studs) for a similar performance boost.
**Best Overall Choice:** If you re committed to a **high-performance B20B/B16A build**, the ARP studs are **worth the investment** for reliability and power potential. Pair them with a **comprehensive engine reinforcement plan** for the best results.
Accordingly, the bolt is reacting to two: FEATURES ARP Honda B20B w/ B16A head Stud Kit. Supplier Title: ARP Honda B20B w/ B16A head Stud Kit. Studs also provide more accurate and consistent torque loading. Because the head gasket will compress upon initial torquing, make sure studs and bolts are re-torqued after engine has been run.
If everything is right, the stud should be installed finger tight. Remember, an undercut shorter stud will have a rate similar to longer, standard shank. And for good reason. PRODUCT INFO: - ARP Honda B20B w/ B16A head Stud Kit, MANUFACTURER PART NUMBER: Part Number: 208-4306,: Socket Size s: 1/2 12pt, 3/16 Allen, Maintenance Parts For HONDA OTHER.
For most applications, however, studs are recommended. A stud should be installed in a relaxed mode never crank it tightly using jammed nut. Factory Sealed - Brand new in box. Built to outperform and outlast the competition.
This provides a more even clamping force on the head. Then, when applying torque to the nut, stud will stretch only on vertical axis. When you use bolts to secure the head, fastener is actually being twisted while its torqued proper reading. Accordingly, the bolt is reacting to two different forces simultaneously.
Made from the highest quality materials.