ARP 150-6004 Connecting Rod Bolt Cleveland Block Engines Kit 672036003234

( Brand: Arp ), ( Part Type: Rod Bolt Block Engine ), ( Air Restricted: No ), ( UPC: 672036003234 )

Review ARP Connecting Rod Bolt Kit Ford Cleveland Small Block Engines

The **ARP 672036003234 150-6004 Connecting Rod Bolt Kit** is a premium, high-performance solution meticulously engineered for Ford Cleveland block engines, delivering unmatched strength, precision, and reliability under the most demanding conditions. Designed to replace the stock connecting rod bolts often a critical weak point in high-stress applications this kit features **ARP s legendary 150-6004 grade bolts**, crafted from **cold-forged, high-strength 300M alloy steel**, which is heat-treated to achieve an ultimate tensile strength of **200,000 psi** and a yield strength exceeding **180,000 psi**. These specifications far surpass the capabilities of standard bolts, ensuring they can withstand extreme torque loads, high RPMs, and the thermal cycling inherent in forced-induction and high-output engines without risk of stretch, fatigue, or catastrophic failure.

Each bolt in this kit is **thread-rolled** for enhanced fatigue resistance, eliminating the stress concentrations that plague machined threads, while the **ARP s proprietary 150-6004 grade** provides superior corrosion resistance compared to conventional bolts, making it ideal for applications where salt, moisture, or aggressive engine environments are a concern. The bolts feature a **fine-pitch thread design** optimized for Ford Cleveland block engines, ensuring a secure, vibration-dampening fit that minimizes the risk of loosening under dynamic loads. Complementing the bolts are **ARP s high-quality washers**, which incorporate a **self-lubricating, anti-seize coating** to prevent galling and ensure smooth installation, even in tight clearances. The kit is packaged with **ARP s detailed installation instructions**, including torque specifications and recommended procedures to maximize performance and longevity.

Beyond its mechanical superiority, this bolt kit is a testament to ARP s commitment to durability and performance engineering. Whether you re building a **high-horsepower Cleveland block engine** for drag racing, street tuning, or restoration, the **150-6004 Connecting Rod Bolt Kit** provides the confidence of knowing your critical fasteners are backed by decades of racing heritage and relentless quality control. By upgrading to ARP, you re not just replacing standard bolts you re installing a **race-proven, high-performance solution** that elevates the integrity of your engine s most stress-bearing components. Perfect for applications ranging from **Ford 351W Cleveland engines** in classic Mustangs and Thunderbirds to modern high-output builds, this kit is an essential upgrade for anyone serious about maximizing power, reliability, and longevity in their Ford Cleveland-powered vehicle.

### **Pros and Cons of buying a ARP 672036003234 (150-6004 Connecting Rod Bolt Kit for Ford Cleveland Block Engines)**

1. **High-Quality Materials** ARP bolts are made from high-strength steel and are heat-treated for superior durability, reducing the risk of failure under extreme stress.

2. **Precision Engineering** These bolts are designed to meet or exceed OEM specifications, ensuring proper preload and clamping force for critical engine components.

3. **Long-Term Reliability** ARP bolts are widely trusted in high-performance and racing applications, offering consistent performance over thousands of miles or engine cycles.

4. **Compatibility** Specifically engineered for Ford Cleveland block engines (used in early Mustangs, Thunderbirds, and other models), ensuring a proper fit without modification.

5. **Warranty Support** ARP provides a warranty, offering peace of mind against manufacturing defects.

6. **Performance Benefits** Properly torqued ARP bolts help maintain rod-to-crankshaft alignment, reducing the risk of catastrophic failure in high-RPM or forced-induction applications.

7. **Easy Installation** Comes with a torque specification guide and is designed for straightforward installation, though proper tooling (like an ARP torque wrench) is recommended.

1. **Cost** ARP bolts are significantly more expensive than aftermarket or OEM alternatives, which may be a barrier for budget-conscious buyers.

2. **Specialized Tools Required** Proper installation demands an ARP torque wrench (or equivalent) and often a torque angle method, which may not be available to all mechanics.

3. **Overkill for Stock Applications** If the engine is running stock power levels (no forced induction, nitrous, or extreme modifications), OEM or lower-cost aftermarket bolts may suffice.

4. **Potential for Over-Tightening** If not installed correctly, ARP bolts can be over-torqued, leading to premature bolt stretch or damage to the rod or crank.

5. **Limited Availability** ARP parts may not be as widely stocked as more common aftermarket brands, requiring special ordering in some cases.

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### **Conclusion**

The **ARP 672036003234 connecting rod bolt kit** is an excellent choice for **high-performance, modified, or racing Cleveland block engines** where reliability and strength are critical. Its superior materials and engineering justify the cost for applications involving **forced induction, nitrous, or extreme power outputs**. However, for **stock or lightly modified engines**, a more budget-friendly bolt kit (such as OEM or a reputable aftermarket brand) may be sufficient.

If you are running **high RPMs, turbocharging, or nitrous**, the ARP kit is a **strong recommendation** due to its proven track record. For **stock or mild modifications**, consider whether the added expense is necessary or if a more affordable option would suffice.

- **Buy the ARP kit if:** Your Cleveland engine is heavily modified, runs forced induction, or you prioritize maximum reliability.

- **Avoid or reconsider if:** Your engine is stock or only mildly modified, as the cost may not be justified for the application. In such cases, a **high-quality aftermarket or OEM bolt kit** could be a more practical choice.

Details:

They are ideal for use in Boss 302, 429, 460, and 351W Ford engines, providing the strength necessary to withstand high PMS increased power output. Finish: Black oxide coating for corrosion resistance. Crafted from 8740 chorally steel, these bolts provide exceptional strength and durability for demanding engine builds. Installation of these connecting rod bolts requires proper torque specifications to maximize their performance benefits.

The ARP 150-6004 Connecting Rod Bolt Kit is designed for high-performance applications involving Ford Cleveland and modified small block engines. These bolts are engineered to improve engine integrity, reducing the risk of failure during intense performance scenarios. The kits robust construction and high-quality materials help maintain precise engine timing performance, even under extreme conditions. Designed for high RPM and increased power scenarios.

Designed with precision, the ARP 150-6004 bolts feature advanced manufacturing standards to ensure proper fitment and consistent clamping force. The black oxide finish enhances corrosion resistance and ensures long-lasting performance in various operating conditions.

part #: 672036003234 prices

• $73.99-$110.20

specifications pistonrinro:

• for makes: Ford
• brand: Arp
• part type: Rod Bolt Block Engine
• air restricted: No
• upc: 672036003234

shipping pistonrinro:

• type: Fixed
• class: Standard
• service: Standard
• transit: 3-5 Days
• cost: $0.00

payments pistonrinro:

• credit card: Mastercard
• wallet: Apple-pay
• other

offer pistonrinro:

• quantity: 10
• started: March 29, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

seller pistonrinro:

• # reviews: 45600
• rating: 98.5%
• city: Saint Paul, Minnesota

general pistonrinro:

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

returns pistonrinro:

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

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