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  3. MAXPEEDINGRODS 05IJM2

MAXPEEDINGRODS 05IJM2 Connecting Rods Engine 2.5L EJ20

fits model: Wrx, Sti, Turbo, Impreza. make: Subaru. year: 2004–2016.

05ijm2 Maxpeedingrods Connecting Rods For Subaru Impreza Wrx Sti 2.5l Turbo Ej20 Engine 2004-2016

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 05IJM2 ), ( Big End Diameter: 55mm/2.165 ), ( Big End Width: 21.38mm/0.840 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Rod Length: 130.5mm/5.137 ), ( Small End Diameter: 23mm/0.905 ), ( Type: Connecting Rod Set ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS Connecting Rods Subaru 2.5l Engine fits IMPREZA WRX STI TURBO 2004–2016

The **Maxpeedingrods 05IJM2 Connecting Rods** are a meticulously engineered, high-performance upgrade designed exclusively for the Subaru Impreza WRX STI with the 2.5L turbocharged EJ20 engine, covering model years from 2004 to 2016. These rods are crafted from **forged 4340 steel**, a material renowned for its exceptional strength, durability, and resistance to fatigue critical attributes for engines pushing beyond factory limits. Unlike stock rods, which are often cast and prone to failure under extreme stress, the 05IJM2 rods feature a **fully machined, precision-ground design** that ensures uniform wall thickness and optimized weight distribution, reducing reciprocating mass and improving engine efficiency. The rods incorporate **higher-grade nitrided or induction-hardened surfaces** on the journals and caps, enhancing wear resistance and extending component life under high RPM, aggressive turbocharging, or forced induction scenarios. Each rod is **dynamically balanced** to minimize vibration, a key factor in maintaining reliability and longevity in high-stress applications like drifting, track use, or heavy boost scenarios. The **oversized 50mm main journals** and **55mm rod bolts** (with included ARP or equivalent hardware) provide a substantial upgrade over stock dimensions, allowing for increased torque capacity and better support for aftermarket crankshafts, pistons, and turbo setups. Whether you're running a mild turbo kit, a full-blown drift build, or a high-revving track-focused engine, these rods deliver the structural integrity and performance edge needed to handle the demands of modern forced induction. Backed by Maxpeedingrods reputation for precision manufacturing and customer support, the 05IJM2 rods are a trusted choice for enthusiasts seeking to push their EJ20 engine to its absolute limits while maintaining reliability and longevity.

### Pros and Cons of Buying Maxpeedingrods 05IJM2 Connecting Rods for the Subaru Impreza WRX STI (2.5L Turbo EJ20 Engine, 2004 2016)

#### **Pros**

1. **High-Quality Materials** Maxpeedingrods rods are forged from high-strength steel, which provides superior durability and resistance to fatigue compared to cast rods. This is particularly important for high-performance applications where stress cycles are frequent and severe.

2. **Precision Machining** These rods are manufactured with tight tolerances, ensuring optimal fitment and performance in the EJ20 engine. Proper machining reduces friction, improves oil flow, and minimizes the risk of premature wear or failure.

3. **Strength and Reliability** The design of the 05IJM2 rods is optimized for high RPM and boost levels, making them suitable for forced induction applications. They are less likely to fail under extreme loads compared to stock or aftermarket rods that may not be as robust.

4. **Compatibility with Modifications** Since the EJ20 engine is commonly modified with turbocharging, nitrous, or high-performance tuning, these rods are a strong choice for builds that push the engine beyond stock limits. They can handle the increased stress from forced induction without compromising structural integrity.

5. **Warranty and Support** Maxpeedingrods offers warranties on their products, which provides peace of mind for buyers. Their reputation in the aftermarket community also suggests reliable customer support and technical assistance.

6. **Improved Power Output** By reducing weight and increasing strength, these rods can contribute to better power delivery and efficiency, especially in high-performance applications where every bit of reliability matters.

7. **Custom Fitment** The 05IJM2 rods are specifically designed for the EJ20 engine, ensuring that they align correctly with the crankshaft, bearings, and other components. This reduces the risk of assembly errors that could lead to catastrophic failure.

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#### **Cons**

1. **Cost** High-quality forged rods are significantly more expensive than stock or budget aftermarket options. The price point may be prohibitive for enthusiasts on a tight budget or those who are not planning extensive modifications.

2. **Installation Complexity** Replacing connecting rods requires significant mechanical skill, specialized tools, and often a full engine rebuild or at least a crankshaft removal. This is not a job for the inexperienced, and labor costs can add up quickly if professional help is required.

3. **Potential for Overkill** If the engine is not heavily modified or used primarily for daily driving, the strength of these rods may be unnecessary. For stock or lightly modified engines, stock rods or slightly upgraded aftermarket rods might suffice without the added expense.

4. **Limited Availability and Lead Times** Specialty parts like these may not be readily available at local shops, and ordering online could result in longer wait times. This could delay engine rebuilds or performance projects.

5. **Risk of Improper Installation** If not installed correctly, even high-quality rods can fail. This includes issues like incorrect bearing clearances, improper torque specifications, or misalignment with the crankshaft. Cutting corners during installation could negate the benefits of the rods.

6. **Weight Consideration** While forged rods are stronger, they are also heavier than some aftermarket options (e.g., titanium rods). In high-RPM applications, this added weight could slightly reduce acceleration or responsiveness, though the difference is often negligible compared to the benefits of strength and reliability.

7. **Compatibility with Other Mods** If other components in the engine (e.g., crankshaft, bearings, or pistons) are not upgraded to match the rods' strength, the entire assembly may not perform optimally. This could require additional modifications to ensure everything is balanced and reliable.

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### **Conclusion**

Maxpeedingrods 05IJM2 connecting rods are an excellent choice for Subaru EJ20 engine owners who are pursuing high-performance builds, particularly those involving turbocharging, nitrous, or aggressive tuning. Their forged construction, precision machining, and reliability make them a top-tier option for enthusiasts who prioritize durability and strength over cost. However, the high price, complexity of installation, and potential overkill for stock or lightly modified engines are significant drawbacks.

For most heavily modified EJ20 engines (especially those with significant boost or forced induction), these rods are a worthwhile investment to prevent catastrophic failure and maximize performance. For less aggressive builds, a cost-effective alternative (e.g., OEM rods or moderately upgraded aftermarket rods) might be sufficient.

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### **Recommendation**

- **Buy the Maxpeedingrods 05IJM2 rods if:**

- You are building a high-performance EJ20 engine with turbocharging, nitrous, or significant tuning.

- You prioritize reliability and longevity over cost savings.

- You have the mechanical skill or access to a professional shop to install them correctly.

- Your budget allows for the investment in premium components.

- **Consider alternatives if:**

- Your engine is stock or lightly modified, and you do not need the extreme strength of forged rods.

- You are on a tight budget and can find equally reliable (though slightly less robust) rods at a lower cost.

- You are unsure about the long-term reliability of your build and prefer to start with a more conservative upgrade.

Ultimately, these rods are one of the best options for serious EJ20 builders, but they are not necessary for every project. Always ensure that all components in your engine are properly matched for strength and compatibility.

Details:

Quick, Simple. V PRODUCT TEST AND ISO 9001 CERTIFIED, manufacturer. For Subaru Impreza WRX STI EJ20 EJ22 EJ25 Engine, Legacy Forester 2.0L Turbo EJ205 Engine 2002 - 2005, STi EJ207 1998 -present, 2.5L EJ255 2006 -2014, EJ257 2004 -2016, Saab 9-2X 2005 - 2006, Isuzu Asoka 1990 -1993, for 1989 -2009, SF series 1997 - 2002 , XT 2004 -2013, Outback 2005, 2007 -2009, Impreza 95-01, 95-96, Pin Type: Floating Piston.

Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 10CM.guaranteed Fitment. Connecting Rods For Subaru Impreza WRX STI 2.5L Turbo EJ20 Engine 2004 -2016. Fast Shipping.

Always the correct part.

part #: 05ijm2 price

  • $232.00

specifications pistonrinro:

  • for models: Wrx, Sti, Turbo, Impreza
  • for makes: Subaru
  • for years: 2004-2016
  • brand: Maxpeedingrods
  • mpn: 05ijm2
  • big end diameter: 55mm/2.165
  • big end width: 21.38mm/0.840
  • california prop 65 warning: California Prop 65 Warning
  • manufacturer warranty: 2 Years
  • material: Steel
  • note: Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • pin type: Bronzed Bushing Floating Pin
  • rod length: 130.5mm/5.137
  • small end diameter: 23mm/0.905
  • type: Connecting Rod Set
  • weight tolerance: Balanced To / 1 Gram In Set

seller pistonrinro:

  • city: Dayton, New Jersey
  • rating: 98.4%
  • # reviews: 1109

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  • time: 30 Days
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general pistonrinro:

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

shipping pistonrinro:

  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • type: Fixed
  • transit: 5-8 Days
  • cost: $0.00

offer pistonrinro:

  • sold: 0
  • started: February 13, 2026
  • availability: In Stock
  • best offers: True
  • options: Ship-to-home
for models: wrx, sti, turbo, impreza, for makes: subaru, for years: 2004-2016, big end diameter: 55mm/2.165, big end width: 21.38mm/0.840, california prop 65 warning: california prop 65 warning, manufacturer warranty: 2 years, note: instruction included, notice: this is aftermarket replcement part, pin type: bronzed bushing floating pin, rod length: 130.5mm/5.137, small end diameter: 23mm/0.905, 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: 12377360683791663,
Maxpeedingrods 05IJM2 Is Similar To:
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1 offer $232.00 USD
  • New other (see details). Offer #1 priced at $232.00 + $20.00 shipping estimate = $252.00* total. Forged 4340 steel. Item: MaxpeedingRods Forged Connecting Rods.+$20.00 shipping

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