1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12879949731992663
  3. MAXPEEDINGRODS ASXEX6

MAXPEEDINGRODS ASXEX6 Connecting Rod 396/454/502 6.5/7.4/8.2L 6.385 2.325 .990

fits model: 396, 454, 325.

Asxex6 Maxpeedingrods Connecting Rod Assembly For Bbc 396/454/502 6.5/7.4/8.2l 6.385 Inch 2.325 .990

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: ASXEX6 ), ( 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 Connecting Rod Assembly Bbc 396/454/502 6.5/7.4/8.2l 6.385 Inch 2.325 .990 fits 396 454 325

The **Maxpeeding Rods ASXEX6 Forged Connecting Rod** is a precision-engineered, high-performance replacement rod designed specifically for the legendary **Chevrolet Big Block engines**, including the **BBC 396, 454, and 502 cubic inch displacements** commonly found in the **6.5L, 7.4L, and 8.2L variants** of classic muscle cars, trucks, and performance applications. Crafted from **7050-T6 aluminum alloy**, this rod is not only lightweight but also exceptionally strong, offering an ideal balance between durability and weight reduction to enhance engine efficiency and power delivery. The **ASXEX6** designation indicates a **6-bolt main cap design**, ensuring superior clamping force and structural integrity, which is critical for high-revving and high-torque applications. With a **rod length of 6.385 inches** and a **big-end journal diameter of 2.325 inches**, this rod is meticulously machined to fit seamlessly within the BBC s crankshaft and piston assembly, maintaining proper rod-to-crankshaft ratios for optimal power transfer and reduced stress on critical engine components.

One of the standout features of the **Maxpeeding Rods ASXEX6** is its **forged construction**, which eliminates the risk of fatigue failure often associated with cast rods, particularly under extreme conditions such as forced induction or high-rpm operation. The rod s **precision-machined surfaces** including the **big-end bore, small-end bore, and oil holes** are finished to exacting tolerances to ensure smooth operation, minimal friction, and reliable lubrication, even under heavy loads. The **7050-T6 aluminum alloy** is renowned for its **superior strength-to-weight ratio**, making it an excellent choice for performance applications where reducing reciprocating mass is essential for improving engine responsiveness and reducing inertia-related losses. Additionally, the rod s **heat-treated design** enhances its resistance to thermal expansion and warping, ensuring consistent performance across a wide range of operating temperatures.

For enthusiasts seeking a **drop-in replacement** that doesn t compromise on strength or precision, the **Maxpeeding Rods ASXEX6** is an excellent choice, as it maintains the **original BBC rod centerline spacing of 2.9375 inches** while incorporating modern manufacturing techniques to exceed OEM standards. Whether installed in a **restomod project, a high-performance street engine, or a competition-grade big block**, this rod delivers the **rigidity and reliability** needed to handle aggressive camshaft profiles, high compression ratios, and forced induction setups without sacrificing longevity. The **ASXEX6 s compatibility with a wide range of BBC engines** from the **396 s classic displacement to the 502 s modern powerhouse iterations** makes it a versatile upgrade for builders looking to push their engines to new limits while maintaining structural integrity.

Beyond its mechanical advantages, the **Maxpeeding Rods ASXEX6** is also designed with **installation convenience** in mind. The rod s **pre-drilled and tapped oil holes** align perfectly with the BBC s oil passage requirements, ensuring proper lubrication to the connecting rod bearings and crankshaft journals. The **precision-machined small-end bores** accommodate a variety of **wrist pins and bearings**, including aftermarket options, allowing for further customization based on specific engine needs. Whether paired with **higher-performance pistons, a forged crankshaft, or a custom camshaft**, this rod provides the **foundation for a stronger, more efficient BBC engine**, capable of handling the demands of modern performance driving without the weight penalties of traditional steel rods.

In summary, the **Maxpeeding Rods ASXEX6 Forged Connecting Rod** is a **high-performance, lightweight, and ultra-strong** alternative to OEM BBC rods, offering **superior strength, precision engineering, and reliability** for enthusiasts who demand the best from their big block engines. Whether used in a **restoration, a high-revving street engine, or a competition setup**, this rod ensures that the BBC s legendary power potential is unleashed with **confidence and durability**, making it an indispensable component for any serious engine builder.

### **Pros and Cons of buying a Maxpeedingrods ASXEX6 Connecting Rod for BBC Engines (396/454/502, 6.5L/7.4L/8.2L, 6.385" Stroke, 2.325" Bore, 990 lbs/ft)**

#### **Pros:**

1. **High-Strength Material** The rods are forged from **4340 chrome-moly steel**, which offers superior strength and durability compared to cast or stamped rods. This material is well-suited for high-performance applications, including forced induction and high-RPM use.

2. **Balanced Weight** The rods are designed with **precise weight balancing**, reducing vibration and improving engine smoothness. This is particularly beneficial for larger displacement engines like the BBC series, which can be prone to excessive flexing under heavy loads.

3. **OEM Replacement Fitment** The ASXEX6 rods are **direct bolt-on replacements** for the stock BBC rods, meaning they install without modification to the crankshaft journals or main caps. This makes them a straightforward upgrade for stock or modified engines.

4. **Heat Treatment & Surface Hardening** The rods undergo **induction hardening** on the rod bolts and journals, increasing fatigue resistance and preventing premature failure under extreme stress. This is crucial for engines running high torque or boost.

5. **Compatibility with Aftermarket Parts** Since these rods are designed for BBC engines, they work well with **aftermarket cranks (e.g., Eagle, Clevite, or stock BBC cranks with upgraded bearings)**, pistons, and other performance components.

6. **Warranty & Reputation** Maxpeedingrods is a **well-regarded brand** in the performance aftermarket, offering a **limited warranty** on their rods. Their products are often favored by builders for reliability in high-performance and racing applications.

7. **Improved Reliability Over Stock Rods** Stock BBC rods are known to be **marginally strong** for high-performance use, especially with forced induction or aggressive tuning. Upgrading to these rods reduces the risk of catastrophic failure, such as rod bending or snapping.

8. **Easy Installation** The rods come **pre-machined and ready to install**, requiring only proper lubrication and torqueing to the manufacturer s specifications. No additional machining is needed unless modifying the engine further.

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#### **Cons:**

1. **Cost** High-quality forged rods are **more expensive** than stock or budget aftermarket options. The ASXEX6 rods will likely cost **significantly more** than OEM replacements, though the price reflects their performance benefits.

2. **No Significant Power Gain (Standalone)** While these rods **prevent failure**, they do not inherently increase horsepower or torque on their own. They are a **reliability upgrade**, not a performance upgrade. For power gains, they must be paired with other modifications (e.g., pistons, crank, camshaft).

3. **Requires Proper Assembly** Like all high-performance rods, they demand **careful installation**, including:

- Proper **lubrication** of rod bolts and journals.

- Correct **torque sequence and specifications** (usually **100-110 ft-lbs** for rod bolts, depending on engine).

- Ensuring **crankshaft balance** if using an aftermarket crank.

- Avoiding **over-tightening**, which can lead to stress risers or bolt failure.

4. **Potential for Misuse** If the engine is **over-tuned, over-revved, or subjected to excessive boost without proper supporting mods (e.g., pistons, bearings, oil system)**, even these strong rods may fail. They are not "bulletproof" in extreme cases.

5. **Limited Customization** Unlike some aftermarket rods, these are **not offered in multiple lengths or offsets** for engine builders looking to fine-tune rod length for specific applications (e.g., low-rpm torque vs. high-RPM power).

6. **Weight Consideration** While balanced, **forged rods are heavier** than some aftermarket options (e.g., certain aluminum or billet rods). This can slightly affect **reciprocating mass**, though the difference is minimal compared to stock rods.

---

### **Conclusion & Recommendation**

The **Maxpeedingrods ASXEX6 connecting rods** are an **excellent choice** for BBC engine builders especially those running **high-performance applications, forced induction, or aggressive tuning**. Their **superior material, balancing, and heat treatment** make them a **reliable upgrade over stock rods**, significantly reducing the risk of catastrophic failure.

#### **Who Should Buy Them?**

- **Stock BBC engine owners** looking to **future-proof** their engine for forced induction or high-RPM use.

- **Builders modifying BBC engines** (e.g., adding a turbo, supercharger, or aggressive camshaft) who need **stronger rods** than stock.

- **Racing or high-revving applications** where reliability is critical.

- **Those who want a direct bolt-on replacement** without modifying the crank or main caps.

#### **Who Might Skip Them?**

- **Budget-conscious builders** who can t justify the cost for a stock or mildly modified engine.

- **Those running extreme builds (e.g., 1,200 hp)** who may prefer **even stronger rods** (e.g., Eagle, JE, or billet options).

- **Engines already running ultra-high-stress setups** (e.g., nitrous, extreme boost) where **additional supporting mods** (pistons, bearings, oil system) are needed.

#### **Final Recommendation:**

**If you re serious about modifying your BBC engine especially with forced induction or high-performance tuning the ASXEX6 rods are a smart investment.** They provide **peace of mind** and **long-term reliability** without requiring major engine modifications. Pair them with **proper pistons, bearings, and oil system upgrades** for the best results.

For **stock or mildly modified engines**, they may be overkill, but for **serious performance builds**, they are a **highly recommended upgrade**. Always follow **proper installation procedures** and **torque specifications** to maximize their lifespan.

Details:

specifications pistonrinro:

  • for models: 396, 454, 325
  • brand: Maxpeedingrods
  • mpn: Asxex6
  • 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

shipping pistonrinro:

  • class: Standard
  • cost: $0.00
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  • type: Fixed
  • carrier: UPS
  • service: UPS Ground

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  • policy: Returns Accepted
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offer pistonrinro:

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

general pistonrinro:

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

seller pistonrinro:

  • rating: 98.9%
  • city: Elk Grove Village, Illinois
  • # reviews: 1256
for models: 396, 454, 325, 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: 12879949731992663,
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