1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12880833648597604
  3. MAXPEEDINGRODS OYK31H

MAXPEEDINGRODS OYK31H Connecting Rod Set Beam Gm Arp 396/454/502 6.385 2.325 .990

fits model: 396, 454, 325. year: 2000.

Oyk31h Maxpeedingrods Connecting Rod Set H-beam For Gm 396/454/502 Arp 2000 6.385 Inch 2.325 .990

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: OYK31H ), ( 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 Set H beam Gm 396/454/502 Arp 6.385 Inch 2.325 .990 fits 396 454 325 2000

The **Maxpeeding Rods OYK31H H-Beam Connecting Rod Set** represents the pinnacle of performance engineering for GM s legendary big-block V8 engines, including the **396, 454, and 502 cubic inch crate motors**, as well as high-performance street and drag applications. Designed to withstand extreme stresses while delivering unmatched durability and reliability, these rods are a direct evolution of Maxpeeding Rods reputation for precision-crafted, high-performance components. The **H-beam construction** is a hallmark of this set, offering superior strength-to-weight ratios compared to traditional I-beam designs, which translates to enhanced rigidity, reduced vibration, and improved power transfer from the crankshaft to the pistons. Each rod is meticulously forged from **4340 alloy steel**, a material renowned for its exceptional tensile strength, fatigue resistance, and ability to endure the brutal demands of high-RPM operation, aggressive camshaft profiles, and heavy-duty forced induction. The **ARP 2000 bolt pattern** ensures a secure, high-strength connection to the crankshaft, while the **6.385-inch rod length** and **2.325-inch small-end diameter** are optimized for GM s big-block architecture, maintaining proper rod-to-stroke ratios for balanced engine operation and optimal piston speed.

What truly sets the OYK31H apart is its **990-degree offset**, a design choice that minimizes rod bending and torsional forces, significantly reducing the risk of catastrophic failure under extreme loads. This offset, combined with the **H-beam s inherent stiffness**, allows the rods to better resist the lateral forces generated by high-performance camshafts and aggressive valve springs, making them ideal for applications ranging from **high-revving street engines** to **top-echelon drag racing setups**. The rods are **fully machined** to exacting tolerances, ensuring a precise fit with GM s stock crankshaft journals and main bearing caps, while the **polished small ends** and **pre-drilled oil holes** facilitate smooth operation and adequate lubrication, even under the most demanding conditions. Each rod is **shot-peened** to enhance surface hardness and fatigue resistance, further extending its lifespan and performance reliability.

For builders and racers demanding nothing less than the best, the **Maxpeeding Rods OYK31H H-Beam Connecting Rod Set** is a game-changer, offering a perfect blend of strength, precision, and innovation. Whether installed in a **restomoderated crate motor**, a **high-compression street engine**, or a **supercharged or turbocharged drag beast**, these rods provide the structural integrity needed to handle the most aggressive power outputs while maintaining the integrity of the engine s internal components. Backed by Maxpeeding Rods reputation for quality and supported by their comprehensive engineering expertise, this rod set is not just an upgrade it s a **performance-enhancing necessity** for those pushing the limits of GM s big-block architecture.

### **Pros and Cons of the Maxpeedingrods OYK31H Connecting Rod Set (H-Beam) for GM 396/454/502 Engines**

#### **Pros:**

1. **High-Strength Construction** The H-beam design distributes stress more evenly than traditional I-beam rods, reducing the risk of fatigue failure under extreme loads. This is particularly beneficial for high-performance applications, including forced induction and high-RPM operation.

2. **ARP 2000 Grade Bolts Compatibility** The rods are designed to work with ARP 2000-grade bolts, which are significantly stronger than stock bolts. This combination ensures optimal clamping force and reliability, even under heavy loads.

3. **Precision Machining and Balancing** Maxpeedingrods rods are CNC-machined and dynamically balanced to factory specifications, reducing vibration and improving engine longevity. This is critical for maintaining smooth operation in high-performance builds.

4. **Lightweight Yet Durable** While still robust, the H-beam design is slightly lighter than traditional rods, which can help reduce reciprocating mass and improve engine responsiveness, especially in high-RPM applications.

5. **OEM Dimensions and Fitment** The rods maintain the exact dimensions of OEM rods (3.965" bolt circle, 2.325" rod length, 990" stroke), ensuring compatibility with stock crankshafts, pistons, and other components without requiring modifications.

6. **Warranty and Reputation** Maxpeedingrods is a well-regarded aftermarket brand with a strong reputation for quality. Their rods come with a warranty, providing peace of mind for serious builders.

7. **Versatility** These rods are suitable for a wide range of applications, including naturally aspirated, turbocharged, and supercharged engines, as well as drag racing, street rodding, and competition use.

8. **Reduced Risk of Rod Bending or Failure** The H-beam design inherently resists bending better than I-beam rods, which is advantageous in high-torque or high-stress scenarios.

---

#### **Cons:**

1. **Cost** High-performance rods like these are significantly more expensive than OEM or aftermarket I-beam rods. The price point may be prohibitive for budget-conscious builders or those not planning extensive modifications.

2. **Installation Complexity** Replacing connecting rods requires significant disassembly of the engine, including removing the crankshaft, pistons, and other components. This is a labor-intensive process that may require professional assistance, adding to the overall cost.

3. **Not a Drop-In Replacement for All Engines** While these rods fit GM 396/454/502 engines, they are not universal. Ensuring compatibility with pistons, crankshafts, and other components (e.g., rod bearings, caps) is essential. Some builders may need to source additional parts to complete the upgrade.

4. **Limited Availability of Spare Parts** Unlike OEM rods, which have widespread availability, aftermarket rods like these may have limited availability for replacement parts (e.g., individual rods or caps) if something goes wrong during installation or operation.

5. **Potential Learning Curve** For builders new to engine rebuilding, the process of installing high-performance rods can be daunting. Proper alignment, torque specifications, and balancing are critical to avoid issues like rod knock or premature wear.

6. **Overkill for Mild Builds** If the engine is only being modified for mild performance gains (e.g., mild turbo or supercharger), the cost and complexity of H-beam rods may not be justified. In such cases, a high-quality I-beam rod set (e.g., ARP, JE, or Eagle) could be a more practical choice.

7. **Crankshaft Considerations** While these rods fit standard GM cranks, extreme builds (e.g., forced induction with high boost) may require a stronger crankshaft (e.g., ARP or Eagle) to complement the rods. This adds another layer of cost and planning.

---

### **Recommendation**

The **Maxpeedingrods OYK31H H-Beam connecting rod set** is an excellent choice for builders targeting **high-performance, reliability, and longevity** in GM 396/454/502 engines, particularly those pushing **forced induction, high horsepower, or extreme RPMs**. The H-beam design offers superior strength and stress distribution compared to traditional rods, making it ideal for aggressive builds where failure is not an option. The compatibility with ARP 2000 bolts and precise machining further enhances its appeal for serious racers and enthusiasts.

However, the **high cost, installation complexity, and potential overkill for mild builds** make this rod set less suitable for budget-conscious or low-key modifications. If your project involves **severe forced induction, drag racing, or high-RPM street applications**, these rods are a **strong recommendation**. For more modest builds, consider **high-quality I-beam rods** (e.g., ARP, JE, or Eagle) to balance performance and cost.

**Final Recommendation:** - **Buy the Maxpeedingrods OYK31H rods if:**

- You are building a **high-performance, high-stress engine** (e.g., turbocharged, supercharged, or drag racing).

- You prioritize **maximum reliability and durability** over cost.

- You are willing to invest in **ARP 2000 bolts, proper bearings, and a strong crankshaft** to complement the rods.

- You have access to **experienced mechanics** or the skills to handle the installation carefully.

- **Consider alternatives (e.g., ARP, JE, or Eagle I-beam rods) if:**

- Your build is **mild to moderate** in power goals.

- You want to **save costs** without sacrificing significant performance.

- You are unsure about the long-term reliability of H-beam rods in your specific application.

For most **extreme builds**, the Maxpeedingrods OYK31H rods are a **top-tier choice** worth the investment. For everything else, weigh the pros and cons carefully against your budget and performance goals.

Details:

PRODUCT DISPLAY Connecting Rod Set H-Beam for GM 396/454/502 ARP 2000 6.385 2.325 .990. Guaranteed, Fitment Always the correct part. Fast Shipping. Shot-preened finish to remove potential for stress risers.

Type: Forged 4340 aircraft chrome Molly quality steel for racing. For GMC Big Block Chevy BBC 396/454/502 6.5/7.4/8.2L. Each rod is magnetic particle tested to ensure free of flaws. 6.High precision CNC machined,Precision rod cap alignment dowels.

H-Beam design reduces weight without compromising strength. Telephone number. H-beam Conrad's Quantity: 8 Pieces as showing in picture. Pin Type: Floating Piston.

specifications pistonrinro:

  • for models: 396, 454, 325
  • for years: 2000
  • brand: Maxpeedingrods
  • mpn: Oyk31h
  • 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

payments pistonrinro:

  • other
  • credit card: Discover
  • wallet: Google-pay

general pistonrinro:

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

shipping pistonrinro:

  • class: Standard
  • cost: $0.00
  • service: UPS Ground
  • type: Fixed
  • transit: 2-6 Days
  • carrier: UPS

offer pistonrinro:

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

returns pistonrinro:

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

seller pistonrinro:

  • # reviews: 2624
  • rating: 99.2%
  • city: Elk Grove Village, Illinois
for models: 396, 454, 325, 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: 12880833648597604,
Maxpeedingrods OYK31H Is Similar To:

Copyright © pistonrinro.com