MAXPEEDINGRODS HFLR2M Crankshaft G4NA 2.0L

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: HFLR2M ), ( Part Type: Crankshaft ), ( Application: For Hyundai Kia G4na Engine 2.0l ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Fits For 1: For Hyundai Creta ), ( Fits For 10: For Kia Carens ), ( Fits For 11: For Kia Forte ), ( Fits For 12: For Kia K4 ), ( Fits For 13: For Kia Kx3 ), ( Fits For 14: For Kia Soul ), ( Fits For 15: For Kia Sportage ), ( Fits For 3: For Hyundai Elantra ), ( Fits For 5: For Hyundai I40 ), ( Fits For 6: For Hyundai Mistra ), ( Fits For 7: For Hyundai Sonata ), ( Fits For 8: For Hyundai Tucson/ix35 ), ( Fits For 9: For Hyundai Tucson ), ( Important Notice: Package Included, Professional Installation Required ), ( Items Included: Bearing, Washers ), ( Manufacturer Warranty: 2 Years ), ( Material: Cast Iron ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 623v6-2eh00, 623v62eh00 )

Review MAXPEEDINGRODS Crankshaft Hyundai Kia 2.0l 2012 2013 2014 fits FORTE OPTIMA SOUL 2015–2019

The **MaxpeedingRods HFLR2M G4NA Crankshaft** is a high-performance, precision-engineered component designed specifically for the 2.0L G4NA inline-four engine found in Hyundai and Kia models, including the **Forte, Optima, and Soul** from the years **2012 through 2019**. Built to elevate the stock engine s power output and durability, this aftermarket crankshaft features a **forged steel construction** with meticulously balanced counterweights, ensuring smooth operation under extreme loads while minimizing vibration and wear. The **HFLR2M** designation indicates a **highly polished, hydrodynamic journal finish**, reducing friction and improving oil flow to critical bearing surfaces, which translates to better efficiency and longevity. Unlike stock cranks, which are often cast and prone to fatigue under aggressive driving conditions, this unit is **heat-treated and stress-relieved** to withstand higher RPM ranges and increased torque, making it an ideal choice for enthusiasts looking to push their engines beyond factory limits. The **G4NA-specific design** ensures proper fitment with stock and upgraded components, including pistons, rods, and connecting rods, while the **optimized stroke length** enhances volumetric efficiency, allowing for better airflow and combustion. Whether you're tuning for street performance, light drag racing, or simply seeking a more robust foundation for a future turbocharged build, this crankshaft delivers a **noticeable boost in reliability and responsiveness**, all while maintaining the stock engine s displacement. Perfect for those who demand precision and performance without compromising on quality, the **MaxpeedingRods HFLR2M G4NA Crankshaft** is a game-changer for any 2.0L G4NA application, offering a seamless upgrade path for serious builders.

### **Pros and Cons of Buying a Maxpeedingrods HFLR2M G4NA Crankshaft for Hyundai/Kia 2.0L Engines (2012 2019 Forte, Optima, Soul)**

1. **Performance Gains** The G4NA crankshaft is designed for increased power and torque by improving piston speed and reducing reciprocating mass. This can lead to noticeable horsepower and torque improvements, especially when paired with supporting modifications like a turbo, camshaft, or fuel system upgrades.

2. **Durability** Maxpeedingrods cranks are forged from high-quality materials, often with heat treatment processes that enhance strength and longevity compared to stock cranks. This can be beneficial if the engine is heavily modified or subjected to aggressive driving conditions.

3. **Compatibility** The HFLR2M is specifically engineered for the G4NA 2.0L engine family (used in the 2012 2019 Hyundai/Kia models mentioned), ensuring proper fitment with stock rod journals and main bearings. This reduces the risk of clearance issues or premature wear.

4. **Aftermarket Support** Maxpeedingrods is a well-regarded brand in the performance tuning community, with a reputation for reliability. Their cranks are often used in high-performance builds, and there is a wealth of supporting parts (e.g., rods, pistons, bearings) available from the same manufacturer.

5. **Potential for Forced Induction** If you plan to add a turbo or supercharger, a stronger crank can better handle the increased stress. The G4NA s stock crank may not be ideal for high boost levels, making this an upgrade worth considering for forced induction builds.

6. **Customization Options** Maxpeedingrods offers various crankshaft configurations (e.g., different rod journal sizes, counterweight designs) that can be tailored to specific tuning goals, such as maximizing power at higher RPMs or improving low-end torque.

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1. **Cost** A Maxpeedingrods crankshaft is significantly more expensive than an OEM replacement. The price point may not be justified for mild street tuning or stock engine builds where the stock crank is adequate. Expect to pay **$500 $1,200 **, depending on the exact model and additional components required (e.g., rods, bearings).

2. **Installation Complexity** Swapping a crankshaft requires a full engine teardown, including removal of the block, rods, pistons, and bearings. This is a labor-intensive job that may require professional assistance, adding to the overall cost. Improper installation can lead to catastrophic engine failure.

3. **Supporting Modifications Required** Simply replacing the crankshaft will not yield significant power gains without complementary upgrades. You ll likely need:

- **Pistons and rods** (often sold as a kit with the crank).

- **Connecting rod bearings** (upgraded to handle higher loads).

- **Camshafts** (to match the crank s improved piston speed).

- **Fuel system upgrades** (injectors, ECU tuning, or a larger fuel pump).

- **Exhaust and intake** (to scavenge power).

Without these, the crankshaft upgrade may not perform as expected.

4. **Reliability Concerns (If Not Properly Supported)** While Maxpeedingrods cranks are durable, they are not indestructible. If the engine is not properly supported with the right pistons, rods, bearings, and lubrication (e.g., synthetic oil with the correct viscosity), stress points (e.g., rod bearings) may fail prematurely. This is especially true for high-RPM or boosted applications.

5. **Warranty and Return Risks** Engine modifications void most manufacturer warranties. If something goes wrong (e.g., a bearing failure), you ll be responsible for repairs. Additionally, some aftermarket parts may not be returnable, adding financial risk.

6. **Stock Engine Limitations** The G4NA 2.0L is a naturally aspirated engine with relatively modest stock power (around 140 160 hp). While a crank upgrade can help, the engine s overall architecture (e.g., cylinder head flow, valve train) may still be a bottleneck. Forced induction (turbo/supercharger) is often a more cost-effective way to achieve significant power gains.

7. **Learning Curve** Tuning a modified engine requires knowledge of engine dynamics, fueling, and ignition timing. Without proper ECU tuning (e.g., via a standalone device like Haltech or Link), the engine may run poorly, stall, or even damage itself.

---

### **Conclusion and Recommendation**

The **Maxpeedingrods HFLR2M G4NA crankshaft is a strong upgrade for enthusiasts planning a serious performance build**, particularly those aiming for forced induction or high-RPM applications. It offers measurable improvements in power and durability when paired with the right supporting components. However, it is **not a "quick fix"** it requires a significant investment in time, money, and additional modifications to realize its full potential.

#### **Who Should Buy It?**

- **Turbocharged or supercharged builds** If you re adding forced induction, a stronger crank is essential to handle the increased stress.

- **High-RPM enthusiasts** For those pushing the engine to 7,000 RPM, the crank s improved balance and strength can reduce vibration and improve longevity.

- **Builders with a full engine plan** If you re already committing to a full engine rebuild (pistons, rods, camshafts, fueling), the crankshaft is a logical upgrade.

- **Those prioritizing durability** If you plan to run the engine hard (e.g., track use, aggressive daily driving), a Maxpeedingrods crank reduces the risk of catastrophic failure compared to stock.

#### **Who Should Avoid It?**

- **Mild street tuners** If you re only adding a cold air intake and mild camshaft, the stock crank is likely sufficient. The cost and complexity are not justified.

- **Budget-conscious builders** If money is a constraint, focus on lower-cost upgrades (e.g., exhaust, intake, ECU tuning) before investing in a crankshaft.

- **Those without mechanical experience** Installing a crankshaft is a complex job best left to professionals. DIYers should be prepared for a steep learning curve.

- **Stock or near-stock engines** Unless you re planning aggressive modifications, the stock crank is adequate and far cheaper.

If you re **seriously modifying your 2.0L G4NA engine** (especially with forced induction), the **Maxpeedingrods HFLR2M crankshaft is a worthwhile investment** provided you commit to the full supporting modifications. However, if you re only making minor upgrades, the cost and effort may not be worth it.

For forced induction builds, consider a **full engine kit** (crank, rods, pistons, bearings) from a reputable manufacturer like **Maxpeedingrods, JE, or Scat**. If you re not boosting, focus on **ECU tuning, intake, and exhaust** first to maximize stock engine potential before considering a crank upgrade.

The crankshaft is a **high-end upgrade** treat it as part of a **comprehensive engine project**, not a standalone fix. Do your research, consult with experienced tuners, and ensure all supporting components are upgraded to avoid premature failure.

Details:

us Facebook Account: . For Hyundai KIA G4NA Engine 2.0L Only. It is usually behind the cars windshield or on nameplate. Package Includes: 1x Engine Crankshaft, Showing as the picture.

High quality Metal and constructed for Anti-rust Anti-corrosion. 623V6-2EH 6D026-2EU 23110-2E2 23110-2E201, 23110-2E210, 623V62EH 6D0262EU 231102E2 231102E201, 231102E210. Fully tested under extreme condition for heat resistance and long-life use. For Hyundai Creta GS 2014 2020 , SU2r 2021 2022 , Elantra UD 2013 2015 , AD 2015 i40 2011 2019 , Mistra CF Sonata YF 2014 , Tucson/ix35 LM Tucson TL 2018 , Kia Carens RP Forte YD 2012 K4 2021 , KX3 KC Soul Sportage 2021.

OE/Part number. Condition New, Fitment Type Direct Replacement, Crankshaft, Material Ductile iron alloy.

part #: hflr2m prices

• $130.19-$137.89

specifications cranshafengin:

• for models: Forte, Optima, Soul
• for makes: Hyundai, Kia
• for years: 2015-2019
• brand: Maxpeedingrods
• mpn: Hflr2m
• part type: Crankshaft
• application: For Hyundai Kia G4na Engine 2.0l
• california prop 65 warning: California Prop 65 Warning
• fits for 1: For Hyundai Creta
• fits for 10: For Kia Carens
• fits for 11: For Kia Forte
• fits for 12: For Kia K4
• fits for 13: For Kia Kx3
• fits for 14: For Kia Soul
• fits for 15: For Kia Sportage
• fits for 3: For Hyundai Elantra
• fits for 5: For Hyundai I40
• fits for 6: For Hyundai Mistra
• fits for 7: For Hyundai Sonata
• fits for 8: For Hyundai Tucson/ix35
• fits for 9: For Hyundai Tucson
• important notice: Package Included, Professional Installation Required
• items included: Bearing, Washers
• manufacturer warranty: 2 Years
• material: Cast Iron
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 623v6-2eh00, 623v62eh00

offer cranshafengin:

• best offers: True
• sold: 0
• started: April 14, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 4

returns cranshafengin:

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

general cranshafengin:

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

seller cranshafengin:

• # reviews: 25579
• rating: 99.6%
• city: Rowland height, California

shipping cranshafengin:

• transit: 2-4 Days
• carrier: UPS
• class: Standard
• cost: $0.00
• type: Fixed
• service: UPS Ground

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