1. Pistons, Rings, Rods & Parts Engines Components For Sale
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  3. SUBARU ST55629

SUBARU ST55629 Connecting Rod Set Lh Rh B3GWGW

fits model: Brz. make: Subaru. year: 2022–2026.

St55629 Subaru 2022-2026 Brz Connecting Rod Set Lh Rh Oem

( Manufacturer Part Number: ST55629 ), ( Part Type: Rod ), ( Ipn: B3gwgw ), ( Tag : 25146 ), ( Item Warranty: 1 Year )

Review SUBARU Connecting Rod Set Lh Rh Oem fits BRZ 2022–2026

The **Subaru ST55629 2022 2026 BRZ Connecting Rod Set (LH/RH)** is a precision-engineered aftermarket replacement designed to restore peak performance and reliability to the high-revving, naturally aspirated flat-four engine found in the Subaru BRZ and its twin, the Toyota 86. This rod set is meticulously crafted to meet or exceed OEM specifications, ensuring seamless integration with the stock engine architecture while accommodating the demands of both daily driving and spirited enthusiast applications. Constructed from high-grade **4140 chromoly steel**, these rods are heat-treated to achieve an optimal balance of strength and flexibility, minimizing the risk of catastrophic failure under extreme loads or high RPM conditions. The **forged design** eliminates the potential for fatigue cracks that can develop in cast components, making this set ideal for drivers pushing the limits of their BRZ s 2.0L engine, whether through aggressive throttle inputs, forced induction, or extended engine life modifications.

Each rod in the set is **dynamic-balanced** to precise tolerances, ensuring smooth operation and reduced vibration across the entire rev range, which is critical for maintaining the BRZ s signature smooth yet responsive power delivery. The **LH/RH configuration** allows for easy installation on either side of the engine, accommodating left-hand and right-hand drive applications without modification, while the **standard bolt pattern** ensures compatibility with the stock crankshaft journals and main bearing caps. The rods are **shot-peened** to enhance surface hardness and improve fatigue resistance, a process that also helps mitigate stress concentrations at critical points, such as the rod caps and big-end bearings. This attention to detail extends the rod set s longevity, making it a durable solution for both stock and modified engines, including those with increased displacement or forced induction upgrades.

Beyond its structural integrity, the **ST55629 connecting rod set** is engineered with practicality in mind. The rods feature **pre-drilled and tapped holes** for the stock rod bolts, ensuring a straightforward installation process that minimizes the need for custom machining or additional hardware. The **smooth, polished surfaces** reduce friction and wear on the bearings, contributing to improved efficiency and reduced oil consumption a significant benefit for high-mileage or performance-oriented engines. Whether you re addressing a worn-out OEM rod set, upgrading for a more aggressive build, or simply proactively maintaining your BRZ s engine, this rod set provides a reliable, high-performance alternative that adheres to Subaru s exacting standards. With its combination of strength, precision, and ease of installation, the **ST55629 is an essential component for any BRZ owner seeking to preserve or enhance their engine s longevity and performance.**

### **Pros and Cons of Buying a Subaru ST55629 (2022-2026 BRZ Connecting Rod Set, LH/RH)**

#### **Pros:**

1. **OEM Quality and Fitment** This is a genuine Subaru connecting rod set, meaning it is designed specifically for the FA20 engine used in the 2022-2026 BRZ. It ensures proper fitment, compatibility with factory tolerances, and reliability in performance.

2. **Durability and Performance** Connecting rods are critical components that bear heavy loads under high RPM and torque. A high-quality rod set reduces the risk of catastrophic engine failure, improves structural integrity, and can enhance power output if paired with other performance upgrades.

3. **Preventative Maintenance** If you re replacing rods due to wear, excessive play, or as part of a major overhaul, this set helps prevent future engine damage. It s a proactive step for long-term engine health, especially if you plan to push the BRZ s performance limits.

4. **Compatibility with Aftermarket Upgrades** Since the BRZ is a popular performance car, many aftermarket parts (turbochargers, superchargers, forced induction kits) require upgraded rods to handle increased stress. This set is a solid foundation for such modifications.

5. **Subaru s Reputation for Reliability** Subaru engines, including the FA20, are known for durability when properly maintained. Using OEM parts ensures you re following Subaru s engineering standards, which can be beneficial for warranty considerations (if applicable) and long-term dependability.

6. **Easier Installation and Maintenance** OEM parts are designed to work seamlessly with the stock engine bay layout, reducing the risk of clearance issues or compatibility problems during installation.

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#### **Cons:**

1. **Cost** OEM connecting rod sets are more expensive than aftermarket alternatives. For a BRZ, the price may be a significant investment, especially if you re not planning extensive modifications. The cost may not be justified if the rods are still in acceptable condition.

2. **Limited Customization** Unlike aftermarket rods, which can be forged, lighter, or optimized for specific applications (e.g., drag racing, track use), OEM rods are standardized. If you re building a high-performance engine, aftermarket rods (e.g., ARP, JE, or Manley) may offer better weight savings or strength-to-weight ratios.

3. **Installation Complexity** Replacing connecting rods requires disassembling the engine, which is a labor-intensive process. If you re not experienced with engine work, this could lead to additional costs for professional installation. Improper installation can also void warranties or cause damage.

4. **Potential Overkill for Stock Use** If your BRZ is used primarily for daily driving and not for aggressive performance tuning, replacing rods may be unnecessary unless there s evidence of wear or failure. Stock rods are designed to handle the FA20 s power output without issues if maintained properly.

5. **Availability and Lead Times** OEM parts can sometimes have longer lead times, especially if Subaru is experiencing supply chain issues. This may delay your project if you re on a tight schedule.

6. **Weight Consideration** While not a major issue for most drivers, OEM rods are slightly heavier than some aftermarket forged alternatives. In high-RPM applications (e.g., forced induction), lighter rods can reduce reciprocating mass, improving engine balance and potentially increasing RPM limits.

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### **Conclusion:**

The **Subaru ST55629 connecting rod set (2022-2026 BRZ)** is a solid choice if you need a reliable, OEM-specified replacement for your engine. It s ideal for:

- **Preventative maintenance** (e.g., replacing worn rods).

- **Forced induction builds** where stock rods may not suffice.

- **Long-term durability** and adherence to Subaru s engineering standards.

However, if you re building a high-performance engine or seeking weight savings, aftermarket rods may offer better value. The decision depends on your budget, project goals, and whether the rods are genuinely needed or just a precautionary upgrade.

### **Recommendation:** - **Buy the ST55629 if:**

- Your BRZ s rods show signs of wear, cracks, or excessive play.

- You re planning forced induction and need a robust, OEM-compatible solution.

- You prioritize reliability and warranty compatibility over weight savings.

- **Consider aftermarket rods (e.g., ARP, JE) if:**

- You re building a high-performance engine (e.g., turbocharged, supercharged, or high-RPM applications).

- You want lighter, stronger rods for improved engine balance.

- You re on a tighter budget and can find a reputable aftermarket set with similar quality.

- **Avoid replacing rods unnecessarily if:**

- Your BRZ is used for casual driving and the rods appear sound.

- You re not planning modifications that would stress the engine beyond stock limits.

Ultimately, weigh the cost against the benefits of your specific use case. If in doubt, consult a trusted mechanic or performance specialist to assess whether the upgrade is truly necessary.

Details:

10 out of would recommend. Didn't budge on the pallet and was waterproof. Overall very satisfied. Airbags and SRS components are sold AS IS with no warranty.

Warranty This part includes a 1-Year Limited from the date of purchase. Some panels in worse shape than others but overall got what I expected, as described. Make model Subaru BRZ. This item is an excellent value and as described.

If damage occurs during shipping, buyers must provide sufficient documentation to support a carrier claim. They look great in the car. Tag Number 25146, Year/Year Range 2022 -2026, Make Subaru, model BRZ, Sub model Premium, Series. Sheet metal parts are warranted only against factory corrosion under normal use.

Well packaged to prevent damage even though it looks like the shipper tried. Shipping cost was normal and the item well packaged. Shipping was pricey, but you gotta do what. This is the sole and exclusive warranty provided for this part.

I was able to fix them with parts off my old panels. Priced right, shipped timely. The item was as described and value great. Locations without a dock or forklift require lift gate service, which must be disclosed at time of purchase.

part #: st55629 price

  • $399.99

specifications pistonringro:

  • for models: Brz
  • for makes: Subaru
  • for years: 2022-2026
  • mpn: St55629
  • part type: Rod
  • ipn: B3gwgw
  • tag : 25146
  • item warranty: 1 Year

general pistonringro:

  • condition: Used
  • Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings

seller pistonringro:

  • rating: 99.9%
  • city: Nixa, Missouri
  • # reviews: 7823

returns pistonringro:

  • paid by: Seller
  • time: 60 Days
  • policy: Returns Accepted

shipping pistonringro:

  • cost: $19.00
  • service: Standard
  • type: Fixed
  • transit: 2-4 Days
  • class: Standard

offer pistonringro:

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

payments pistonringro:

  • credit card: Diners-club
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for models: brz, for makes: subaru, for years: 2022-2026, part type: rod, tag: 25146, item warranty: 1 year,
category: auto parts > car truck parts accessories > engines engine parts > pistons rings, sku: 13112119480898721,
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1 offer $399.99 USD
  • Used. Offer #1 priced at $399.99 + $19.00 shipping estimate = $418.99* total. Make & Model Subaru BRZ Part Number .+$19.00 shipping

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