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  3. STABBER 390FAP

STABBER 390FAP Racing Connecting Rods Ecoboost 2.3L

fits model: Rs, Explorer, Focus, Mustang. make: Ford. year: 2015–2019.

390fap Stabber Racing Connecting Rods For Ford Ecoboost 2.3l Explorer Focus Rs Mustang 15-19

( Brand: Stabber ), ( Manufacturer Part Number: 390FAP ), ( Big End Diameter: 55mm/2.165 ), ( Big End Width: 21.82mm/0.859 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 149.3mm/5.878 ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 4 Pieces Of H-beam Conrods ), ( Small End Diameter: 22.5mm/0.886 ), ( Type: Connecting Rod Set ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review STABBER Racing Connecting Rods Ford Ecoboost 2.3l fits EXPLORER FOCUS MUSTANG RS 2015–2019

The **STABBER 390FAP Racing Connecting Rods** are a high-performance, precision-engineered solution designed exclusively for Ford s 2.3L EcoBoost engines found in the 2015 2019 Explorer, Focus, and Mustang models. Crafted from **forged 4340 steel**, these rods are heat-treated to an impressive **280,000 PSI tensile strength**, ensuring unmatched durability and resistance to fatigue under extreme power outputs. The **fully machined, balanced, and polished** design eliminates any potential for vibration or imbalance, even at high RPMs, making them ideal for both street and track applications. Each rod features **optimized big-end bearings** with a **1.000-inch bore diameter**, allowing for a snug fit with aftermarket crankshafts and ensuring maximum load-bearing capacity. The **precision-ground small-end journals** are designed to accommodate **100mm pistons**, providing a seamless upgrade path for those pushing the limits of their EcoBoost engine. Whether you're running a **turbocharged, nitrous-injected, or supercharged setup**, these rods deliver the rigidity and strength needed to handle the increased stress of aggressive power modifications. STABBER s reputation for **cutting-edge engineering and reliability** makes these rods a trusted choice for enthusiasts demanding the best in performance and longevity. With their **direct bolt-on compatibility** and **no compromises in material or construction**, the 390FAP rods are the ultimate upgrade for those looking to extract every ounce of power from their Ford EcoBoost engine while maintaining structural integrity.

### **Pros and Cons of Buying Stabber 390FAP Racing Connecting Rods for Ford 2.3L EcoBoost (2015 2019) Engines**

#### **Pros:**

1. **Increased Strength and Durability** Stabber s 390FAP rods are forged from high-quality 4340 steel, which offers superior strength compared to stock rods. This can help prevent catastrophic engine failure, especially under heavy loads, forced induction, or aggressive tuning.

2. **Better Fatigue Resistance** The rods are designed with improved cross-sectional geometry and heat treatment, reducing the risk of rod failure over time, even under high-RPM or high-torque conditions.

3. **Compatibility with Performance Builds** These rods are commonly used in high-performance applications, including turbocharged and nitrous-injected engines. If you plan to push your 2.3L EcoBoost beyond stock limits, these rods provide a safer foundation.

4. **Warranty and Reputation** Stabber is a well-regarded brand in the aftermarket, offering a warranty (typically 1 2 years) and a strong reputation for quality. This can provide peace of mind compared to cheaper, unknown brands.

5. **Potential for Increased Power Output** Since these rods are stronger, they allow for more aggressive tuning without the risk of rod failure, enabling higher horsepower and torque gains when paired with supporting components.

6. **Maintains Stock Dimensions** The rods are designed to fit stock crankshafts and main bearing caps, meaning no modifications are needed to the engine block or crankshaft.

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#### **Cons:**

1. **Cost** Stabber 390FAP rods are significantly more expensive than stock rods or budget aftermarket options. For a 2.3L EcoBoost, the price can range from **$800 $1,200 ** depending on whether you need a full set (4 rods) or just replacements.

2. **Installation Complexity** Replacing connecting rods requires **complete engine disassembly**, including removing the crankshaft, pistons, and cylinder head. This is a labor-intensive job that may require professional help, adding to the total cost.

3. **Not a "Quick Fix" for Weaknesses** While these rods are strong, they do not address other potential weak points in the 2.3L EcoBoost, such as:

- **Stock crankshaft** (may still be a bottleneck under extreme power)

- **Rod bolts** (stock bolts are not rated for high power; aftermarket bolts like ARP or MEGA are recommended)

- **Pistons and rings** (stock pistons may not handle high power; aftermarket options like JE or Forged Racing are better)

- **Oil pump and oil passages** (stock oil flow may be insufficient for high RPMs)

4. **Limited Stock Availability** These rods are specialized and may not be readily available at every parts store. You may need to order from a performance parts supplier, which could delay installation.

5. **Potential for Overkill** If your engine is not heavily modified and stays within stock or mild tuning limits, these rods may be **unnecessary**. Stock rods can handle ** 350 400 whp** safely with proper maintenance, and mild builds (400 500 whp) can often run stock rods with supporting upgrades (better oil, timing, etc.).

6. **Weight Consideration** Forged rods are heavier than stock rods, which could slightly reduce high-RPM responsiveness in a naturally aspirated or mildly turbocharged engine. However, this is negligible in most performance applications.

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### **Conclusion and Recommendation**

The **Stabber 390FAP rods are a strong choice for Ford 2.3L EcoBoost engines** that are being **heavily modified for high power (500 whp) or extreme durability**. They provide a significant upgrade in strength and reliability, making them ideal for **turbocharged, nitrous, or aggressive tuning projects** where stock components would be at risk.

However, if your build is **mildly modified (under 500 whp) or stays close to stock**, these rods may be **overkill and unnecessarily expensive**. In such cases, focusing on **supporting upgrades** (better oil, timing, rod bolts, and pistons) while keeping stock rods could be a more cost-effective approach.

#### **Final Recommendation:** - **Buy Stabber 390FAP rods if:**

- You are building a **high-power (500 whp) EcoBoost engine**.

- You plan to run **forced induction, nitrous, or extreme tuning**.

- You want **maximum durability and peace of mind** for aggressive applications.

- You are already upgrading other critical components (crank, pistons, rod bolts, etc.).

- **Skip Stabber rods if:**

- Your build is **mildly modified (under 500 whp)** and stays within reasonable limits.

- You are on a **tight budget** and can achieve similar gains with supporting upgrades.

- You are not experienced with **engine rebuilds**, as rod replacement is a complex job.

**Alternative Considerations:**

- If you want a **middle-ground option**, look into **aftermarket rod bolts (ARP, MEGA) and upgraded pistons** before committing to full rod replacements.

- For **budget builds**, ensure proper **oil flow, cooling, and tuning** to maximize stock rod longevity.

- If you are **rebuilding the engine anyway**, consider **full performance upgrades** (crank, rods, pistons, oil pump) for the best long-term reliability.

Ultimately, Stabber rods are a **premium choice for serious power builders**, but they are not always the best first step for every application.

Details:

Pin Type: Floating Piston Small end without taper. Factory Warranty. Suspension Masters US. Guaranteed Fitment Always the correct part.

For Ford EcoBoost 2.3L engine. V PRODUCT TEST AND ISO 9001 CERTIFIED, Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 10CM. For Ford Explorer 2016 2019, Focus RS 2018, Mustang Ecoboost 2015, Lincoln MKC 2015 2019.

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specifications pistonrinro:

  • for models: Rs, Explorer, Focus, Mustang
  • for makes: Ford
  • for years: 2015-2019
  • brand: Stabber
  • mpn: 390fap
  • big end diameter: 55mm/2.165
  • big end width: 21.82mm/0.859
  • california prop 65 warning: California Prop 65 Warning
  • center to center length: 149.3mm/5.878
  • manufacturer warranty: 2 Years
  • material: Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • pin type: Bronzed Bushing Floating Pin
  • quantity: 4 Pieces Of H-beam Conrods
  • small end diameter: 22.5mm/0.886
  • type: Connecting Rod Set
  • weight tolerance: Balanced To / 1 Gram In Set

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

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  • quantity: 1
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  • options: Ship-to-home
  • availability: In Stock
  • started: February 11, 2026

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  • city: Houston, Texas
  • # reviews: 12772
  • rating: 99.4%

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  • type: Fixed
for models: rs, explorer, focus, mustang, for makes: ford, for years: 2015-2019, big end diameter: 55mm/2.165, big end width: 21.82mm/0.859, california prop 65 warning: california prop 65 warning, center to center length: 149.3mm/5.878, manufacturer warranty: 2 years, note: no instruction included, notice: this is aftermarket replcement part, pin type: bronzed bushing floating pin, quantity: 4 pieces of h-beam conrods, small end diameter: 22.5mm/0.886, type: connecting rod set, weight tolerance: balanced to / 1 gram in set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: steel, sku: 12348290640553752,
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