WS PERFORMANCE PARTS RACING 31507 Engine Crankshaft Piston Bearings Kit 1.4L

( Brand: Ws Performance Parts Racing ), ( Part Type: Bearing Engine Crankshaft Piston ), ( Fit 1: Fit For Buick Encore 1.4l 2013-2021 ), ( Fit 2: Fit For Chevrolet Cruze 1.4l 2011-2015 ), ( Fit 3: Fit For Chevrolet Cruze Limited 1.4l 2016 ), ( Fit 4: Fit For Chevrolet Sonic 1.4l 2012-2020 ), ( Fit 5: Fit For Chevrolet Trax 1.4l 2013-2021 ), ( Items Included: 1 X Crankshaft, 4 X Connecting Rod, 8 X Set Of Main Rod Bearings, 1 X Set Of Crankshaft Front/rear Seal, 1 X 21mm Piston Kit ), ( Oe/oem Part Number: 55574335, 25195032, 25195605, 55568531, 25195023, 25198520, 25195028, 25195065, 55565720, 595170, Ss2019, 711024, 710620 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: 31507 )

Review WS PERFORMANCE PARTS RACING Engine Crankshaft Piston Bearings Kit Chevrolet Buick Gmc 1.4l fits ENCORE 2011–2021

The **WS Performance Racing 31507 Engine Crankshaft & Piston Bearings Kit** is a meticulously engineered aftermarket upgrade designed specifically for the **Chevrolet Buick Encore and GMC Terrain** models equipped with the **1.4L turbocharged inline-4 engine (LZ4/LZ9)** produced from **2011 to 2021**. This high-performance bearings kit is crafted to enhance durability, reduce friction, and improve overall engine efficiency, making it an ideal choice for enthusiasts seeking to push their vehicle s power output while maintaining reliability. Engineered from premium **aerospace-grade aluminum alloy**, the **crankshaft bearings** feature an advanced **oil groove and oil hole design** that ensures optimal lubrication under high-stress conditions, whether under normal driving loads or during aggressive performance applications. The **piston-to-wrist pin bearings** are precision-machined from **high-strength steel**, reinforced with a **thin, durable coating** to withstand the increased heat and pressure generated by forced induction or high-RPM operation. This kit is particularly beneficial for owners looking to install **turbochargers, superchargers, or other performance modifications**, as it provides superior load-bearing capacity and resistance to wear compared to stock components. The **interchangeable fitment** ensures a seamless installation process, requiring no modifications to the engine block or crankshaft, while the **tight tolerances** guarantee minimal clearance, reducing the risk of oil starvation or premature failure. Whether you're preparing for track days, daily driving with enhanced power, or simply looking to future-proof your engine against the stresses of modern performance tuning, the WS Performance Racing 31507 Bearings Kit delivers a robust, high-performance solution built to meet the demands of today s high-output applications.

### **Pros and Cons of buying a WS Performance Racing 31507 Engine Crankshaft/Piston Bearings Kit for the Chevrolet Buick Encore/GMC 1.4L (2011 2021)**

1. **Enhanced Durability** WS Performance is known for high-quality, precision-engineered bearings designed to withstand higher stress and extended engine life compared to OEM parts. This kit may reduce the risk of premature failure, especially in turbocharged or high-performance applications.

2. **Improved Oil Flow and Lubrication** The bearings are often engineered with optimized oil grooves and coatings to enhance lubrication, reducing friction and wear on critical engine components. This can lead to smoother operation and better efficiency.

3. **Compatibility with Turbocharged Engines** The 1.4L turbocharged engine in the Encore/GMC Terrain operates under increased stress due to forced induction. Upgraded bearings can better handle the elevated oil pressures and temperatures associated with turbocharging.

4. **Potential for Better Performance** If the engine has been modified (e.g., increased compression, forced induction, or high-RPM tuning), these bearings may help maintain reliability under those conditions. They can also reduce parasitic losses by minimizing internal friction.

5. **Long-Term Cost Savings** While the upfront cost is higher than OEM parts, the improved durability may reduce the frequency of bearing-related failures, saving money on repairs over time.

6. **Warranty and Support** WS Performance typically offers warranties on their products, providing some recourse if defects are found. Their reputation in the aftermarket suggests reliable customer service.

7. **Easier Installation (Compared to Some Alternatives)** The kit is designed for the specific application, which may simplify installation compared to generic or mismatched bearing sets.

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1. **Higher Upfront Cost** The WS Performance kit will be significantly more expensive than OEM or generic aftermarket bearings. For a stock engine running normally, this may not be justified unless there are specific concerns about reliability.

2. **Overkill for Stock Engines** If the engine is running stock with no modifications, turbocharger issues, or excessive wear, the OEM bearings may still function adequately for the vehicle s lifespan. Upgrading may not provide noticeable benefits unless the engine is stressed.

3. **Potential for Over-Tightening Risks** Higher-quality bearings can sometimes be more sensitive to installation torque. Improper installation (e.g., overtightening) could lead to bearing damage or crankshaft distortion, voiding warranties and causing costly repairs.

4. **Limited Availability of Installation Guides** While WS Performance provides instructions, some users may find the installation process more complex than expected, especially for those unfamiliar with engine rebuilds. Professional installation is recommended.

5. **Mixed Reviews on Longevity in Some Applications** While WS Performance is respected, some users report that even premium bearings fail prematurely in extreme conditions (e.g., aggressive driving, poor maintenance, or severe turbocharger issues). This kit is not a "fix-all" for underlying engine problems.

6. **Compatibility Concerns with Aftermarket Mods** If the engine has been modified with non-standard components (e.g., custom pistons, crankshafts, or turbos), the bearings may not be optimized for those specific setups, potentially leading to compatibility issues.

7. **No Guarantee Against Other Engine Failures** Bearings alone won t fix issues like rod bearing wear, oil pump failure, or turbocharger problems. If the engine has other underlying issues, upgrading bearings may not resolve them.

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The WS Performance Racing 31507 crankshaft/piston bearings kit is a **high-quality, performance-oriented upgrade** that makes sense in the following scenarios:

- The engine is **modified** (turbocharged, high-RPM tuned, or running aggressive conditions).

- There are **known issues with OEM bearings** (e.g., premature failure, oil starvation, or turbo-related stress).

- The vehicle is used for **heavy-duty or performance driving** where reliability is critical.

- The owner is **prepared for professional installation** to ensure proper fitting and torque.

However, for a **stock 1.4L turbo engine running normally**, the benefits may not justify the cost unless there is a **specific reason to suspect bearing failure** (e.g., oil consumption, unusual noise, or past issues). In such cases, OEM or a well-reviewed budget-friendly aftermarket kit (e.g., Fel-Pro or Moroso) may suffice.

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- **If the engine is stock and running reliably:** Stick with OEM bearings or a reputable budget alternative unless symptoms indicate a need for upgrades.

- **If the engine is modified or shows signs of bearing stress (e.g., oil leaks, excessive wear, or turbo-related issues):** The WS Performance kit is a **strong choice** for improved durability and performance. Ensure professional installation to avoid risks.

- **If the engine has other underlying problems (e.g., oil pump failure, rod bearing wear):** Address those issues first, as bearings alone won t fix systemic failures.

- **For DIY Installers:** Consider whether you have the experience to install bearings correctly. If not, factor in labor costs when evaluating the kit s value.

**Final Verdict:** The WS Performance kit is a **premium option** best suited for performance or high-stress applications. For most stock owners, it may not be necessary unless specific concerns arise. Always weigh the cost against the potential benefits of your engine s specific conditions.

Details:

Main Parts Included 1 x Crankshaft,4 Connecting Rod, 8 Set of Rod Bearings Crankshaft Front/Rear Seal,1 21mm Piston Kit Includes Pistons, Rings, and Pin Clips. The delivery is out of our control. Crankshaft: 55574335; Connecting Rod 25195032; Main Bearing: 25195605, 55568531; Piston: 25195023, 25198520, 25195028; Piston Ring: 25195065; Pin Clip: 55565720; Front Crankshaft Seal: 595170, SS2019, 711024,710620; Rear 31507, SS3343, 228008 90180515.

specifications cranshafengin:

• for models: Encore
• for makes: Chevrolet, Buick, Gmc
• for years: 2011-2021
• brand: Ws Performance Parts Racing
• part type: Bearing Engine Crankshaft Piston
• fit 1: Fit For Buick Encore 1.4l 2013-2021
• fit 2: Fit For Chevrolet Cruze 1.4l 2011-2015
• fit 3: Fit For Chevrolet Cruze Limited 1.4l 2016
• fit 4: Fit For Chevrolet Sonic 1.4l 2012-2020
• fit 5: Fit For Chevrolet Trax 1.4l 2013-2021
• items included: 1 X Crankshaft, 4 X Connecting Rod, 8 X Set Of Main Rod Bearings, 1 X Set Of Crankshaft Front/rear Seal, 1 X 21mm Piston Kit
• oe/oem part number: 55574335, 25195032, 25195605, 55568531, 25195023, 25198520, 25195028, 25195065, 55565720, 595170, Ss2019, 711024, 710620
• manufacturer warranty: 1 Year
• ipn: 31507

payments cranshafengin:

• credit card: Visa
• wallet: Apple-pay
• other

offer cranshafengin:

• availability: In Stock
• sold: 0
• quantity: 3
• best offers: True
• options: Ship-to-home
• started: March 14, 2026

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

shipping cranshafengin:

• cost: $0.00
• type: Fixed
• class: Standard
• transit: 5-11 Days
• service: Standard

seller cranshafengin:

• rating: 100.0%
• # revieWs: 105
• city: Houston, Texas

returns cranshafengin:

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

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