1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12550074589822663
  3. STABBER P4Q27U

STABBER P4Q27U Steel Connecting Rods Kit 4340 4PC

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

P4q27u Stabber 4340 Steel Connecting Rods For Ford Explorer Focus Rs Mustang 2015-2019 4pc Kit

( Brand: Stabber ), ( Manufacturer Part Number: P4Q27U ), ( 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 4340 Steel Connecting Rods Ford 4pc Kit fits EXPLORER FOCUS MUSTANG RS 2015–2019

The **STABBER P4Q27U 4340 Steel Connecting Rods** represent a premium upgrade for the high-performance enthusiast seeking to maximize durability, strength, and reliability in their **2015 2019 Ford Explorer, Focus, or Mustang** equipped with the **2.3L EcoBoost or 3.5L V6 engine**. Crafted from **forged 4340 alloy steel**, these rods are engineered to withstand extreme stress, high RPMs, and aggressive power modifications without compromising structural integrity. Each rod in this **4-piece kit** undergoes a rigorous **heat-treatment process**, ensuring optimal hardness and toughness while maintaining the necessary elasticity to handle the dynamic forces of forced induction or high-torque applications. The **precision-machined design** features **balanced weight distribution**, reducing reciprocating mass for improved engine efficiency and smoother operation, which is particularly beneficial for turbocharged or supercharged setups. The **high-strength rod bolts** included in the kit are also forged from **4340 steel**, further reinforcing the assembly against fatigue and bending under heavy loads. Whether you're pushing for **more horsepower, torque, or longevity** in your daily driver or track-focused vehicle, these rods provide a **direct, bolt-on solution** that surpasses OEM specifications, offering peace of mind for those who demand nothing less than the best in aftermarket performance components. Built to endure the demands of modern high-output engines, the STABBER P4Q27U rods are an essential choice for builders targeting **reliability, performance, and longevity** in their Ford applications.

### **Pros and Cons of buying a Stabber P4Q27U 4340 Steel Connecting Rods (4-Piece Kit) for 2015 2019 Ford Explorer, Focus, and Mustang**

#### **Pros:**

1. **High-Strength Material** The rods are made from **4340 chromoly steel**, a material known for its exceptional strength, durability, and resistance to fatigue. This is significantly stronger than standard cast-iron rods, making them ideal for high-performance or heavily modified engines.

2. **Precision Machining** Stabber rods are **forged and precision-machined**, ensuring tight tolerances and consistent quality. This reduces the risk of warping or imbalance, which is common with aftermarket rods.

3. **Compatibility with Stock Crankshafts** These rods are designed to fit **stock crankshafts** in the 2015 2019 Ford engines (e.g., 2.3L EcoBoost, 3.5L V6, 5.0L Coyote), making them a straightforward upgrade without requiring a crankshaft replacement.

4. **Improved Reliability** Forced induction (turbocharged) or high-RPM applications (e.g., supercharged or naturally aspirated high-performance builds) benefit from the increased strength, reducing the risk of rod failure under extreme stress.

5. **Warranty Support** Stabber offers a **limited warranty**, which provides some peace of mind against manufacturing defects.

6. **Cost-Effective Strength Boost** Compared to full engine rebuilds or custom rod kits, these rods offer a **budget-friendly way to significantly improve engine durability** without sacrificing performance.

7. **Easy Installation** Since they are **drop-in replacements**, they can be installed by a skilled mechanic without major engine disassembly, though proper balancing and gasket replacement are still recommended.

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#### **Cons:**

1. **Higher Upfront Cost** While still more affordable than a full engine rebuild, **4340 steel rods are more expensive than OEM or basic aftermarket rods**. The cost may be a barrier for casual enthusiasts or those on a tight budget.

2. **Requires Professional Installation** Improper installation (e.g., incorrect torque, misalignment, or lack of balancing) can lead to **premature failure**. This kit should be installed by an experienced mechanic familiar with rod replacement procedures.

3. **Not a Complete Engine Upgrade** Simply replacing rods does **not** address other potential weak points in the engine (e.g., pistons, bearings, crankshaft, or oil system). For extreme builds, additional modifications may still be necessary.

4. **Weight Consideration** Steel rods are **heavier than aluminum or forged rods**, which could slightly reduce high-RPM responsiveness in extreme performance applications. However, the difference is minimal compared to stock cast-iron rods.

5. **Limited Availability of Gaskets & Tools** Some mechanics may not have Stabber-specific gaskets or tools, requiring additional purchases for a complete job.

6. **Potential for Overkill on Stock Engines** If the engine is **not heavily modified or stressed**, these rods may be **more than necessary**, making them a **preemptive expense** rather than a critical upgrade.

7. **No Included Pistons or Bearings** The kit is **rods-only**, meaning you ll need to source **pistons, bearings, and oil pump kit** separately if upgrading the entire bottom end.

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### **Conclusion:**

The **Stabber P4Q27U 4340 steel connecting rods** are an **excellent choice** for **Ford Explorer, Focus, and Mustang owners** who are running **forced induction, high-RPM applications, or heavily modified engines**. They provide a **significant strength upgrade** over OEM rods while maintaining compatibility with stock crankshafts. However, they are **not a universal fix** they should be part of a **broader engine support plan**, especially if pushing the engine beyond stock limits.

For **stock or mildly modified engines**, these rods may be **overkill and unnecessary**. But for **turbocharged, supercharged, or high-performance builds**, they offer **peace of mind and reliability** at a reasonable cost compared to full engine rebuilds.

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### **Recommendation:** - **Buy if:**

- You are **turbocharging, supercharging, or running high boost** on your 2015 2019 Ford.

- You are **rebuilding the bottom end** and want **maximum durability** for forced induction.

- You plan to **run high RPMs frequently** (e.g., drag racing, track use).

- You want a **drop-in, high-quality rod upgrade** without modifying the crankshaft.

- **Avoid if:**

- Your engine is **stock or only mildly modified** (OEM rods may suffice).

- You are **not prepared for professional installation** (DIY rod replacement is risky).

- You are **not upgrading other critical components** (pistons, bearings, oil system).

- You are on a **tight budget** and cannot justify the extra cost over basic aftermarket rods.

**Final Verdict:** If you need **strong, reliable rods for a modified or high-stress engine**, the Stabber P4Q27U is a **solid, well-supported choice**. Pair it with **proper pistons, bearings, and professional installation** for the best results.

Details:

For Ford Eco Boost 2.3L engine. Always the correct part. For Ford Explorer 2016 2019, Focus RS 2018, Mustang Eco boost 2015, Lincoln MKC 2015 2019. Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 10CM.

Quick, Simple. Fast Shipping. Manufacturer. 4340 Steel Connecting Rods for Ford Explorer Focus RS Mustang 2015 - 2019 4pc Kit.

G guaranteed Fitment. Pin Type: Floating Piston Small end without taper.

specifications pistonrinro:

  • for models: Rs, Explorer, Focus, Mustang
  • for makes: Ford
  • for years: 2015-2019
  • brand: Stabber
  • mpn: P4q27u
  • 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

offer pistonrinro:

  • best offers: True
  • sold: 0
  • availability: In Stock
  • quantity: 1
  • started: February 26, 2026
  • options: Ship-to-home

returns pistonrinro:

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

payments pistonrinro:

  • other
  • credit card: Discover
  • wallet: Paypal

shipping pistonrinro:

  • class: Standard
  • type: Fixed
  • cost: $0.00
  • transit: 4-7 Days
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx

general pistonrinro:

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

seller pistonrinro:

  • city: Houston, Texas
  • # reviews: 1116
  • rating: 98.4%
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: 12550074589822663,
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