1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12712967477796793
  3. STABBER 4U6MQT

STABBER 4U6MQT Beam Connecting Rods 4PCS 200SX 2.0L 4340

fits model: G20. make: Infiniti, Nissan. year: 1991–2002.

4u6mqt Stabber 4pcs I-beam Connecting Rods For Infiniti G20 Nissan 200sx 2.0l 1991-2002 4340

( Brand: Stabber ), ( Manufacturer Part Number: 4U6MQT ), ( Part Type: Rod ), ( Big End Diameter: 51mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center Length: 136.3mm ), ( Fitment Type: Performance/custom ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Diameter: 22mm ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 4 Pieces Balanced To / 1 Gram In Set ), ( Surface Finish: Extra Cost For Upgrading To Arp L19 Bolts ), ( Width: 22.8mm )

Review STABBER 4pcs I beam Connecting Rods Infiniti Nissan 2.0l 4340 fits G20 1991–2002

The **STABBER 4U6MQT 4-Piece I-Beam Connecting Rods** are a premium, high-performance upgrade designed specifically for the **Infiniti G20 (Nissan 200SX) 2.0L SR20DE engine** produced from **1991 to 2002**, including models with the **4340** engine code. These rods are meticulously crafted to enhance durability, reduce weight, and improve overall engine performance, making them an ideal choice for enthusiasts seeking to maximize power output while maintaining structural integrity. Engineered from **high-strength forged 4340 steel**, these I-beam rods feature a **hollow core design** with **precision-machined surfaces**, ensuring optimal strength-to-weight ratio without compromising rigidity. The **4U6MQT** designation indicates a carefully balanced fitment for the SR20DE s **77mm (3.035") rod journal**, providing a seamless integration with stock crankshafts while accommodating aftermarket upgrades such as forged pistons, larger crankshafts, or increased compression ratios. The rods undergo **strict heat treatment and shot peening** to eliminate stress risers and enhance fatigue resistance, making them capable of handling the demands of **forced induction, high RPM applications, and aggressive tuning**. Whether you're building a **street-legal hot rod, a track-focused machine, or a reliable daily driver**, these STABBER rods deliver the reliability and performance needed to push your engine to its limits. Their **direct bolt-on compatibility** with the SR20DE s rod bolts ensures an easy installation, while their **superior material composition** helps mitigate the risk of catastrophic failure under extreme loads. For those seeking a **cost-effective yet high-quality upgrade**, these rods offer an excellent alternative to OEM components, providing a noticeable improvement in engine longevity and responsiveness. Perfect for both **stock and modified engines**, the **STABBER 4U6MQT I-Beam Connecting Rods** are a trusted choice among tuners and builders who demand precision engineering and uncompromising strength in their SR20DE powerplants.

### **Pros and Cons of buying a Stabber 4U6MQT 4-Piece I-Beam Connecting Rods for the Infiniti G20/Nissan 200SX (2.0L, 1991-2002, 4340 Engine)**

#### **Pros:**

1. **Enhanced Durability** I-beam rods are stronger than traditional round or D-shaped rods, reducing the risk of catastrophic engine failure due to rod bending or breakage. This is particularly beneficial for high-performance applications or aggressive driving.

2. **Better Weight Distribution** The I-beam design helps distribute stress more evenly across the rod, improving overall engine rigidity and reducing flex under high loads.

3. **Compatibility with Forged Pistons** These rods are often recommended for use with forged pistons, which further improves reliability in high-RPM or high-torque applications.

4. **Aftermarket Support** Stabber is a reputable manufacturer with a strong reputation in the performance parts industry, offering warranties and technical support.

5. **Potential for Increased Horsepower** Stronger rods allow for more aggressive tuning, enabling higher compression ratios, bigger camshafts, or forced induction without fear of rod failure.

6. **Long-Term Engine Protection** If your engine has seen significant mileage or has a history of rod stress (e.g., from aggressive driving or previous modifications), upgrading to I-beam rods can extend its lifespan.

7. **Easy Installation** These rods are designed to be a direct drop-in replacement for the stock rods, though some machining or gasket adjustments may be required for a perfect fit.

---

#### **Cons:**

1. **Cost** I-beam rods are significantly more expensive than stock rods, often costing **$300 $600 or more** for a full set, depending on the source and additional components needed (e.g., bolts, spacers).

2. **Potential for Overkill** If your engine is stock or lightly modified, the stock rods may still be adequate, making the upgrade unnecessary. I-beam rods are best suited for high-performance builds.

3. **Additional Modifications May Be Needed** Depending on the specific application, you may need to:

- Machine the crankshaft journals for proper rod spacing.

- Replace rod bearings or use high-performance ones.

- Adjust timing chain tensioners or oil squirters if the rod length changes.

- Modify the oil pump or oil passages for better lubrication.

4. **Installation Complexity** While not extremely difficult, rod replacement is a labor-intensive job that requires:

- Disassembling the engine.

- Careful balancing of the rod/crank assembly.

- Proper torque specifications and alignment.

- Possible machining work (e.g., crankshaft grinding).

- This may require professional installation, adding to costs.

5. **Warranty Considerations** If your engine is under warranty (e.g., from a previous owner or dealer), installing aftermarket rods may void it, especially if the manufacturer considers it a "major modification."

6. **Potential for Misalignment** If not installed correctly, I-beam rods can cause timing issues or increased stress on other components (e.g., crankshaft bearings).

7. **Limited Benefit for Stock or Mildly Modified Engines** If you re not running a turbo, supercharger, or aggressive camshaft, the stock rods may still handle normal driving without issues.

---

### **Conclusion:**

The **Stabber 4U6MQT I-beam connecting rods** are a **high-quality, performance-oriented upgrade** that significantly enhances engine reliability, especially for **high-RPM, high-torque, or forced-induction applications**. They are ideal for:

- **Serious tuners** looking to push their 2.0L 4340 engine beyond stock limits.

- **Restoration projects** where engine longevity is a priority.

- **Engines with a history of rod stress** (e.g., from previous modifications or aggressive driving).

However, they are **not necessary** for:

- **Stock or lightly modified engines** running normally.

- **Budget-conscious builders** who prioritize cost over extreme reliability.

- **Casual drivers** who don t plan major modifications.

If you re considering these rods, **assess your engine s current condition, intended use, and budget**. If you re building a **high-performance or longevity-focused 2.0L 4340**, they are a **strong recommendation**. If you re on a tight budget or keeping the engine stock, they may not be worth the investment.

---

### **Final Recommendation:** **Buy the Stabber I-beam rods if:**

You plan to **run a turbo, supercharger, or aggressive camshaft**.

Your engine has **high mileage or a history of rod stress**.

You re **building a high-performance or reliability-focused project**.

You re willing to **invest in proper installation and supporting mods** (e.g., forged pistons, high-performance bearings).

**Skip them if:**

Your engine is **stock or mildly modified** with no plans for major upgrades.

You re **on a tight budget** and can t afford the cost of rods installation.

You re **not comfortable with engine disassembly or professional installation**.

Your engine is **already in good condition** with no signs of rod wear.

For most **serious builders of the 2.0L 4340**, these rods are a **worthwhile investment** just ensure you pair them with the right supporting components and installation.

Details:

4pcs I-Beam Connecting Rods for INFINITI G20 Nissan 200SX 2.0L 1991 2002 4340. Return items must be in original condition. Item Quality problem. Shot-preened finish to remove potential for stress risers, 6.High precision CNC machined,Precision rod cap alignment dowels, 7.Bores finished /- .005mm, 8.Balanced within 1per rod, 9.

T V PRODUCT TEST AND ISO 9001 CERTIFIED, Our mechanic will inspect every return item. The reason for return. Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 10CM.

For shipping damage case. Return item must be in brand new and unused condition with original tags packaging.

part #: 4u6mqt prices

  • $300.00-$461.54

specifications pistonrinro:

  • for models: G20
  • for makes: Infiniti, Nissan
  • for years: 1991-2002
  • brand: Stabber
  • mpn: 4u6mqt
  • part type: Rod
  • big end diameter: 51mm
  • california prop 65 warning: California Prop 65 Warning
  • center length: 136.3mm
  • fitment type: Performance/custom
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • pin diameter: 22mm
  • pin type: Bronzed Bushing Floating Pin
  • quantity: 4 Pieces Balanced To / 1 Gram In Set
  • surface finish: Extra Cost For Upgrading To Arp L19 Bolts
  • width: 22.8mm

returns pistonrinro:

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

seller pistonrinro:

  • rating: 98.8%
  • # reviews: 159
  • city: Houston, Texas

shipping pistonrinro:

  • transit: 3-8 Days
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $0.00
  • type: Fixed
  • carrier: FedEx

payments pistonrinro:

  • credit card: Discover
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offer pistonrinro:

  • best offers: True
  • started: March 10, 2026
  • quantity: 2
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

general pistonrinro:

  • condition: New
  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
for models: g20, for makes: infiniti, nissan, for years: 1991-2002, part type: rod, big end diameter: 51mm, california prop 65 warning: california prop 65 warning, center length: 136.3mm, fitment type: performance/custom, note: no instruction included, notice: this is aftermarket replcement part, pin diameter: 22mm, pin type: bronzed bushing floating pin, quantity: 4 pieces balanced to / 1 gram in set, surface finish: extra cost for upgrading to arp l19 bolts,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, width: 22.8mm, sku: 12712967477796793,
Stabber 4U6MQT Is Similar To:
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3 offers $300.00–$461.54 USD
  • New. Offer #1 priced at $300.00 + $0.00 shipping estimate = $300.00* total. - Full threaded absorber tube casing for independent height adjustment. - Engineered and Tested to Exceed Original Equipment Standards and Performance.FREE SHIPPING
  • New. Offer #2 priced at $402.00 + $0.00 shipping estimate = $402.00* total. FREE SHIPPING
  • New. Offer #3 priced at $461.54 + $0.00 shipping estimate = $461.54* total. FREE SHIPPING

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