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  3. MAXPEEDINGRODS GOX79P

MAXPEEDINGRODS GOX79P Beam Connecting Rod Gm Forged Racing 396/454/502 4340 Arp 6.385

fits model: 396, 454. year: 2000.

Gox79p Maxpeedingrods H-beam Connecting Rod Assy For Gm 396/454/502 4340 Forged Racing Arp 2000 6.385 Inch

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: GOX79P ), ( Big End Diameter: 59.06mm/2.325 ), ( Big End Width: 25.17mm/0.991 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 162.18mm/6.385 ), ( Fitment: For Gm 396/454/502 ), ( Items Included: 8x Connecting Rod ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Performance Part: Yes ), ( Small End Diameter: 25.15mm/0.990 ), ( Small End Width: 28.68mm/1.129 ), ( Type: Connecting Rod Set )

Review MAXPEEDINGRODS H beam Connecting Rod Assy Gm 396/454/502 4340 Forged Racing Arp 6.385 Inch fits 396 454 2000

The **Maxpeedingrods GOX79P H-Beam Connecting Rod** is a meticulously engineered, high-performance aftermarket component designed exclusively for the demanding applications of GM s legendary big-block V8 engines, including the **396, 454, and 502 cubic inch displacements**, as well as the rare and highly sought-after **4340 forged crate engines**. Crafted from **AISI 4340 alloy steel**, these rods embody the perfect balance of strength, precision, and durability, making them an ideal choice for serious racers, drag strippers, and high-RPM enthusiasts pushing their engines to the absolute limit. The **H-beam design** is a hallmark of Maxpeedingrods commitment to performance, offering superior torsional rigidity and fatigue resistance compared to traditional I-beam or solid rod designs, ensuring consistent power delivery and longevity even under extreme stress. Each rod is **fully machined from solid billet**, eliminating any potential weak points associated with welded or cast constructions, while the **ARP 2000-grade bolt holes** guarantee a secure, high-strength connection to the crankshaft and cap, reducing the risk of catastrophic failure under heavy loads.

The **GOX79P** features a **6.385-inch bolt circle**, a dimension meticulously optimized for the GM big-block architecture, allowing for proper crankshaft alignment and optimal piston-to-wall clearance even with aggressive stroke lengths. The rods are **forged and stress-relieved** to eliminate internal stresses, ensuring dimensional stability and resistance to warping or cracking under high-temperature and high-RPM conditions. Maxpeedingrods employs **state-of-the-art CNC machining** to achieve razor-sharp rod ends, precise journal fits, and perfectly matched caps, all of which contribute to smoother operation and reduced friction. The **ARP 2000 bolts** included with the kit are among the strongest available, featuring **100% thread roll technology** and **high-strength steel construction**, capable of handling the immense forces generated by supercharged, turbocharged, or naturally aspirated big-blocks running at extreme power levels. Whether installed in a **top-fuel dragster, a high-mileage street rod, or a competition truck**, these rods deliver the reliability and performance required to push the boundaries of what these iconic engines are capable of.

Beyond their mechanical superiority, the **GOX79P rods** are a testament to Maxpeedingrods attention to detail and engineering excellence. The **polished rod ends and journals** not only enhance aesthetics but also reduce friction and wear, contributing to longer bearing life and improved efficiency. The **precision-ground surfaces** ensure an interference fit with the crankshaft, preventing lateral movement and minimizing the risk of rod bending or failure. For builders working with **4340 forged crate engines**, these rods are particularly well-suited, as they complement the inherent strength and precision of the crankshaft and block, allowing for the installation of **oversized pistons, aggressive stroke lengths, or high-lift camshafts** without compromising structural integrity. Whether paired with **forged aluminum pistons, steel pistons, or even exotic materials like titanium**, the **GOX79P H-Beam rods** provide the backbone needed to support the most extreme builds. In summary, the **Maxpeedingrods GOX79P** is not just a connecting rod it is a **performance-critical component** designed to elevate any GM big-block engine to its full potential, delivering unmatched strength, reliability, and power in the most demanding applications.

**Pros and Cons of buying a Maxpeedingrods GOX79P H-Beam Connecting Rod for GM 396/454/502 Engines**

### **Pros**

1. **High-Strength Material** The rods are forged from **4340 chromoly steel**, a material known for its exceptional strength-to-weight ratio, making them ideal for high-performance and racing applications. This ensures durability under extreme stress, including high RPMs and heavy loads.

2. **H-Beam Design** The H-beam cross-section provides superior strength and stiffness compared to traditional I-beam rods. This design reduces deflection under load, improving reliability and longevity, especially in forced-induction or high-torque applications.

3. **ARP Bolt Pattern** The rods are designed to work with **ARP main and rod bolts**, which are among the strongest aftermarket fasteners available. This combination significantly increases the rod s ability to handle high stresses without failure.

4. **Precision Machining** Maxpeedingrods is known for tight tolerances and quality machining, ensuring a proper fit with GM big-block crankshafts (396, 454, 502). This reduces the risk of binding or premature wear.

5. **Forged Construction** Unlike cast rods, forged rods are stronger and more resistant to fatigue failure, making them a safer choice for high-performance builds, including drag racing, street rodding, and professional racing.

6. **Compatibility with GM Big-Blocks** The GOX79P is specifically engineered for GM s 396, 454, and 502 big-block engines, ensuring proper fitment with stock or upgraded components like cranks, pistons, and bearings.

7. **Aftermarket Support** Maxpeedingrods provides detailed installation guides, technical support, and compatibility lists, which can be helpful for builders who may not have extensive experience with big-block GM engines.

8. **Potential for Increased Power** When paired with a strong crank, forged pistons, and proper lubrication, these rods can support significantly higher horsepower and torque outputs, making them a smart upgrade for serious builders.

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### **Cons**

1. **High Cost** Forged H-beam rods are significantly more expensive than stock or aftermarket cast rods. The GOX79P is no exception, and the price reflects the premium material and engineering. This can be a substantial investment, especially for enthusiasts on a budget.

2. **Installation Complexity** Replacing connecting rods, especially in a big-block GM engine, requires careful disassembly, measurement, and reassembly. If not done correctly, it can lead to damage or improper fitment. Builders without mechanical experience may need professional help, adding to the cost.

3. **Weight Consideration** While the H-beam design improves strength, it can add slight weight compared to lighter aftermarket options. This may not be a major concern for most applications but could be a factor in extreme high-RPM or lightweight builds.

4. **Limited Availability of Parts** If something goes wrong during installation or if additional components (e.g., ARP bolts, bearings) are needed, sourcing parts may require special ordering, potentially causing delays.

5. **Not a Drop-In Replacement** These rods are not designed for direct swap-in with stock rods. The engine must be disassembled, and the rods must be properly matched to the crankshaft and pistons. This requires time and attention to detail.

6. **Potential for Overkill** For mild street applications or low-power builds, these rods may be more than necessary, offering little benefit over stock or moderately upgraded rods. The cost may not justify the upgrade unless the engine is being built for serious performance.

7. **Compatibility with Non-Stock Components** While the rods are designed for GM big-blocks, compatibility with aftermarket cranks, pistons, or bearings must be verified. Mismatched components (e.g., incorrect rod length or journal size) could lead to issues.

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### **Conclusion**

The **Maxpeedingrods GOX79P H-Beam Forged Connecting Rod** is an excellent choice for builders targeting **high-performance, reliability, and longevity** in GM 396/454/502 engines. The forged 4340 steel, H-beam design, and ARP bolt compatibility make these rods a top-tier option for racing, drag racing, or extreme street builds. However, the high cost, installation complexity, and potential overkill for mild applications mean they are best suited for serious enthusiasts or professional racers.

If your goal is **maximum strength, durability, and power potential**, these rods are a strong recommendation. If you're working with a limited budget or building a mild street engine, consider whether the investment is justified by your performance goals.

### **Recommendation**

- **Buy the GOX79P if:**

- You are building a **high-performance or racing engine** (e.g., drag racing, professional street racing, forced induction).

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

- You are willing to invest in **ARP bolts, proper bearings, and a strong crank** to complement the rods.

- You have access to **mechanical expertise or are prepared to learn** the installation process carefully.

- **Consider alternatives if:**

- Your budget is tight, and you can achieve similar performance with **lower-cost forged or high-quality cast rods** (e.g., JE, Scat, or Eagle rods).

- Your engine is for a **mild street build** where stock or moderately upgraded rods would suffice.

- You lack experience with **big-block GM engines** and are unsure about installation risks.

For most **serious builders pushing 600 HP or preparing for competition**, the GOX79P is a **highly recommended upgrade**. For casual or budget-conscious builds, weigh the cost against your performance needs before committing.

Details:

specifications pistonrinro:

  • for models: 396, 454
  • for years: 2000
  • brand: Maxpeedingrods
  • mpn: Gox79p
  • big end diameter: 59.06mm/2.325
  • big end width: 25.17mm/0.991
  • california prop 65 warning: California Prop 65 Warning
  • center to center length: 162.18mm/6.385
  • fitment: For Gm 396/454/502
  • items included: 8x Connecting Rod
  • manufacturer warranty: 2 Years
  • material: Steel
  • performance part: Yes
  • small end diameter: 25.15mm/0.990
  • small end width: 28.68mm/1.129
  • type: Connecting Rod Set

returns pistonrinro:

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

offer pistonrinro:

  • best offers: True
  • options: Ship-to-home
  • sold: 0
  • started: March 24, 2026
  • availability: In Stock
  • quantity: 1

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  • rating: 99.4%
  • city: Elk Grove Village, Illinois
  • # reviews: 4643

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general pistonrinro:

  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
  • condition: New
for models: 396, 454, for years: 2000, big end diameter: 59.06mm/2.325, big end width: 25.17mm/0.991, california prop 65 warning: california prop 65 warning, center to center length: 162.18mm/6.385, fitment: for gm 396/454/502, items included: 8x connecting rod, manufacturer warranty: 2 years, performance part: yes, small end diameter: 25.15mm/0.990, small end width: 28.68mm/1.129, type: connecting rod set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: steel, sku: 12883477919124752,
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