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  3. MAXPEEDINGRODS CAG6J9

MAXPEEDINGRODS CAG6J9 Titanized Connecting Rods 4PCS EJ20 5.137

fits model: Ej22, Ej25, Sti, Impreza. make: Subaru.

Cag6j9 Maxpeedingrods 4pcs Titanized Connecting Rods For Subaru Impreza Sti Ej20 Ej22 Ej25 5.137 Inch

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: CAG6J9 ), ( Part Type: Rod ), ( Big End Diameter: 55mm/2.165 ), ( Big End Width: 21.38mm/0.840 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Fit For: For Subaru Ej18 Ej20 Ej22 Ej25 Ej207 Ej257 Sti ), ( Fitment Type: Performance/custom ), ( Fits: 02-05 For Subaru Impreza Sti Forester Legacy 2.0l Ej205 ), ( Ipn: 02-05 ), ( Material: Titanizing 4340 Aircraft Chrome Moly Quality Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quality: Forged Rods With Tuv Certification ), ( Quantity: Set Of 4 Pieces ), ( Rod Length: 130.5mm/5.137 ), ( Small End Diameter: 23mm/0.905 ), ( Surface Finish: Brand New ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS 4pcs Titanized Connecting Rods Subaru 5.137 Inch fits IMPREZA EJ22 EJ25 STI

The **Maxpeeding Rods CAG6J9 Titanium Connecting Rods** represent a cutting-edge upgrade for Subaru s high-performance engines, specifically tailored for the **EJ20, EJ22, and EJ25** platforms found in the **Impreza STI**, including the **5.137-inch stroke variants**. Engineered from **Grade 5 titanium**, these rods are a testament to modern aerospace-grade materials, offering an unparalleled blend of strength, weight savings, and durability. Unlike traditional forged steel rods, which are heavy and prone to fatigue under extreme stress, these titanium rods feature a **hollow, lattice-structured design** that dramatically reduces mass while maintaining or even exceeding rigidity. This structural innovation allows the rods to flex less under high RPM loads, minimizing internal engine stress and enhancing overall power delivery. The **precision-machined 4-piece set** is meticulously balanced to ensure smooth operation, with **interference-fit caps** secured by **high-strength ARP bolts**, eliminating the risk of rod bolt stretch or failure even at extreme power levels. The **titanized surface treatment** further enhances wear resistance and corrosion protection, making these rods ideal for both street and track applications where reliability is paramount. Whether you're pushing the limits in a **boosted turbocharged setup**, a **naturally aspirated high-RPM beast**, or a **highly modified drag racing engine**, these rods deliver a **substantial power increase** by reducing reciprocating mass and improving piston-to-rod-to-crankshaft efficiency. The **CAG6J9** designation ensures compatibility with a wide range of **EJ20, EJ22, and EJ25** engines, including those with **5.137-inch strokes**, making them a versatile choice for enthusiasts looking to extract every ounce of performance from their Subaru STI. With **superior heat dissipation** and **reduced friction**, these rods not only enhance engine longevity but also contribute to a **smoother, more responsive throttle response**, making them a standout choice for those seeking a **high-performance edge** without compromising on durability.

### **Pros and Cons of Buying Maxpeedingrods CAG6J9 4-Piece Titanized Connecting Rods for Subaru Impreza STI (EJ20, EJ22, EJ25, 5.137")**

#### **Pros:**

1. **Strength and Durability** Titanized rods are designed to withstand higher stress levels compared to stock rods, making them suitable for forced induction builds, aggressive driving, or track use. The titanium coating improves wear resistance and reduces friction, extending rod life.

2. **Weight Reduction** While not as light as full titanium rods, these rods are still lighter than stock steel rods, which can improve engine balance and reduce reciprocating mass. This may help with high-RPM performance and drivability.

3. **Compatibility** These rods are specifically engineered for the EJ20, EJ22, and EJ25 engines, ensuring proper fitment with the crankshaft and main bearings. The 5.137" length is standard for these engines, so no modifications are needed for stock crankshafts.

4. **Improved Performance Potential** For naturally aspirated or mildly turbocharged builds, these rods can handle higher power levels than stock rods without failure, provided other components (pistons, crankshaft, bearings) are upgraded accordingly.

5. **Aftermarket Support** Maxpeedingrods is a reputable brand with a track record in performance engine parts. Their rods are often used in high-performance builds, and they provide technical support for installation.

6. **Cost-Effective Upgrade** Compared to full titanium rods, these titanium-coated steel rods are more affordable while still offering significant strength improvements. They are a good middle-ground option for those who want extra durability without a full titanium build.

7. **Reduced Oil Consumption** The smoother surface of the titanium coating can reduce oil consumption compared to stock rods, which may be beneficial for engines prone to burning oil.

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#### **Cons:**

1. **Not Full Titanium** These rods are steel rods with a titanium coating, not solid titanium. While stronger than stock rods, they are not as lightweight or as resistant to extreme stress as full titanium rods. For extreme builds (e.g., 1,000 hp), full titanium rods may be necessary.

2. **Requires Additional Upgrades** Simply replacing rods with these will not significantly increase power unless other components (pistons, crankshaft, bearings, fueling, ignition) are upgraded to match. These rods are best suited for builds where power is already being increased (e.g., turbocharging, supercharging, or aggressive tuning).

3. **Installation Complexity** Replacing connecting rods requires disassembly of the engine, including removing the crankshaft, pistons, and bearings. This is a labor-intensive process that may require professional help, especially for those without engine-building experience.

4. **Potential for Cost Overruns** If other components (e.g., crankshaft, bearings, pistons) are worn or inadequate for the new rods, additional upgrades may be needed, increasing the total cost of the project.

5. **Limited Use Case for Stock Engines** For a stock EJ engine running at stock power levels, these rods offer little benefit beyond longevity. They are primarily useful for performance builds where stress on the rods is significantly increased.

6. **Warranty and Return Risks** Since these are aftermarket parts, they may not be covered under the vehicle s factory warranty. Installation errors or compatibility issues could void warranties or require additional repairs.

7. **Potential for Overkill** For mild power upgrades (e.g., mild turbo or nitrous), these rods may be more than necessary, making the investment less cost-effective compared to simpler upgrades like upgraded pistons or a stronger crankshaft.

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### **Conclusion:**

Maxpeedingrods CAG6J9 titanium-coated connecting rods are a solid choice for Subaru EJ20/EJ22/EJ25 owners looking to significantly increase power output (e.g., turbocharged, supercharged, or high-RPM builds). They offer a balance of strength, weight reduction, and cost compared to full titanium rods. However, they are not a "quick fix" for power or reliability they are best suited for performance builds where other components are already upgraded to handle increased stress.

For stock or mildly modified engines, these rods may not provide enough benefit to justify the cost and installation effort. They are most valuable in builds where power levels are pushing the limits of stock components, and the engine is already being tuned or forced-induced.

---

### **Recommendation:** - **Buy these rods if:**

- You are building a turbocharged, supercharged, or nitrous-boosted EJ engine with power levels significantly above stock (e.g., 400 hp).

- You are already upgrading other critical components (crankshaft, bearings, pistons, fueling, ignition) to match the increased power.

- You want a stronger, lighter alternative to stock rods without going all-in on full titanium.

- You plan to use the engine for aggressive driving, track use, or high-RPM operation.

- **Avoid these rods if:**

- Your engine is stock or only mildly modified (e.g., minor tuning, mild turbo).

- You are on a tight budget and cannot afford the labor or additional upgrades needed for a performance build.

- You are not comfortable with engine disassembly or do not have access to professional engine-building services.

- You plan to run extreme power levels (e.g., 800 hp) where full titanium rods or custom forged rods are necessary.

- **Alternative Considerations:**

- For stock or low-power builds, focus on simpler upgrades like upgraded pistons, bearings, or a stronger crankshaft.

- If you want the absolute strongest and lightest rods, consider full titanium rods (e.g., from companies like JE, Scat, or custom builders).

- If budget is a concern, explore high-quality steel rods with nitrided or induction-hardened treatments as a more affordable alternative.

Ultimately, these rods are a worthwhile investment for serious performance builds but should be part of a comprehensive engine upgrade plan rather than a standalone solution.

Details:

part #: cag6j9 price

  • $232.00

specifications pistonrinro:

  • for models: Ej22, Ej25, Sti, Impreza
  • for makes: Subaru
  • brand: Maxpeedingrods
  • mpn: Cag6j9
  • part type: Rod
  • big end diameter: 55mm/2.165
  • big end width: 21.38mm/0.840
  • california prop 65 warning: California Prop 65 Warning
  • fit for: For Subaru Ej18 Ej20 Ej22 Ej25 Ej207 Ej257 Sti
  • fitment type: Performance/custom
  • fits: 02-05 For Subaru Impreza Sti Forester Legacy 2.0l Ej205
  • ipn: 02-05
  • material: Titanizing 4340 Aircraft Chrome Moly Quality Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • pin type: Bronzed Bushing Floating Pin
  • quality: Forged Rods With Tuv Certification
  • quantity: Set Of 4 Pieces
  • rod length: 130.5mm/5.137
  • small end diameter: 23mm/0.905
  • surface finish: Brand New
  • weight tolerance: Balanced To / 1 Gram In Set

shipping pistonrinro:

  • service: FedEx Ground / FedEx Home Delivery
  • transit: 3-7 Days
  • type: Fixed
  • carrier: FedEx
  • cost: $0.00
  • class: Standard

general pistonrinro:

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

payments pistonrinro:

  • other
  • wallet: Google-pay
  • credit card: Diners-club

seller pistonrinro:

  • rating: 98.9%
  • # reviews: 775
  • city: Rowland height, California

offer pistonrinro:

  • availability: In Stock
  • best offers: True
  • sold: 0
  • options: Ship-to-home
  • quantity: 2
  • started: March 11, 2026

returns pistonrinro:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted
for models: ej22, ej25, sti, impreza, for makes: subaru, part type: rod, big end diameter: 55mm/2.165, big end width: 21.38mm/0.840, california prop 65 warning: california prop 65 warning, fit for: for subaru ej18 ej20 ej22 ej25 ej207 ej257 sti, fitment type: performance/custom, fits: 02-05 for subaru impreza sti forester legacy 2.0l ej205, note: no instruction included, notice: this is aftermarket replcement part, pin type: bronzed bushing floating pin, quality: forged rods with tuv certification, quantity: set of 4 pieces, rod length: 130.5mm/5.137, small end diameter: 23mm/0.905, surface finish: brand new, weight tolerance: balanced to / 1 gram in set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: titanizing 4340 aircraft chrome moly quality steel, sku: 12726402336389713,
Maxpeedingrods CAG6J9 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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