1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 13032310412058772
  3. MAXPEEDINGRODS G73RZI

MAXPEEDINGRODS G73RZI Beam Connecting Rods Bolt Conrod Arp 4G63 2ND Bielle

fits model: Lancer, Evo.

G73rzi Maxpeedingrods H-beam Connecting Rods For 4g63 2nd Gen And Lancer Evo 7 Bolt Conrod Bielle Arp

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: G73RZI ), ( Part Type: Rod Bolt ), ( Big End Diameter: 48mm ), ( Big End Width: 26.4mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 156mm ), ( Material: Forged 4340 Aircraft Chrome Moly Quality Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Small End Diameter: 22mm ), ( Universal Fitment: No ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS H beam Connecting Rods 4g63 2nd Gen And Bolt Conrod Bielle Arp fits LANCER EVO

The **Maxpeedingrods G73RZI H-Beam Connecting Rods** represent the pinnacle of high-performance engineering for the **2nd Generation Mitsubishi Lancer Evolution (4G63) engine**, specifically designed to transform stock bolt-on rods into a robust, high-stress, and race-ready assembly. Crafted from **forged 4340 chromoly steel**, these rods are precision-machined to exacting tolerances, ensuring superior strength, durability, and reliability under extreme loads whether on the street, at the track, or in high-revving turbocharged applications. The **H-beam design** is a standout feature, offering an optimal balance of stiffness and weight distribution, which minimizes rod deflection and torsional flex, critical factors in preventing catastrophic failure under high RPM or aggressive power outputs. Each rod is **hardened and tempered** to an impressive **30-35 Rockwell C hardness**, providing exceptional fatigue resistance while maintaining a fine balance of toughness to absorb impact without fracturing. The **ARP-style bolt holes** are meticulously drilled and reamed to match the **Mitsubishi 4G63 s stock rod pattern**, ensuring a seamless fit with the crankshaft and caps, while the **high-strength ARP bolts** (included or recommended for use) further enhance clamping force, reducing the risk of rod bolt stretch or failure under extreme conditions. These rods are not merely an upgrade they are a **critical component for any serious builder** looking to push the limits of their 4G63 engine, whether for **turbocharging, nitrous applications, or aggressive forced induction setups**. With their **race-proven design**, **superior metallurgy**, and **precision machining**, the Maxpeedingrods G73RZI H-Beam rods are an indispensable choice for those seeking **uncompromising strength, longevity, and performance** in their Mitsubishi Lancer Evolution s powerplant.

**Pros and Cons of Buying Maxpeedingrods G73RZI H-Beam Connecting Rods for a 2nd Gen Lancer Evo (4G63 Engine)**

### **Pros:**

1. **Enhanced Strength and Durability** The G73RZI rods are designed with an H-beam construction, which provides superior strength compared to standard I-beam rods. This makes them better suited for high-performance applications, reducing the risk of rod failure under extreme stress.

2. **Lightweight Design** While maintaining strength, these rods are forged from high-quality materials, keeping weight down. This contributes to better engine balance and reduced reciprocating mass, which can improve performance and longevity.

3. **Precision Machining and Fitment** Maxpeedingrods rods are known for their tight tolerances and precise machining, ensuring a proper fit in the 4G63 engine block. This reduces the risk of clearance issues or binding, which can be a concern with aftermarket rods.

4. **High-Strength Materials** The rods are likely made from aircraft-grade aluminum alloys or high-strength steel (depending on the exact variant), which are optimized for durability under high RPM and load conditions.

5. **Compatibility with ARP Bolts** Since you re pairing these with ARP bolts, the combination significantly improves rod bolt clamping force and reliability, reducing the risk of bolt stretch or failure especially important for forced induction or high-torque applications.

6. **Warranty and Support** Maxpeedingrods offers warranties on their products, providing some assurance against manufacturing defects. Their reputation in the aftermarket tuning community is generally positive.

7. **Potential for Increased Power Output** If your engine is running modified camshafts, forced induction, or high compression ratios, these rods can help prevent catastrophic failure, allowing you to push power limits more safely.

---

### **Cons:**

1. **Cost** High-performance rods like these are significantly more expensive than OEM rods. The price point may be prohibitive for casual or low-power builds, making them a better fit for serious tuners or high-mileage performance applications.

2. **Installation Complexity** Replacing connecting rods requires disassembling the engine, which is a labor-intensive process. If you lack mechanical experience, this job should be done by a professional, adding to the overall cost.

3. **Potential for Overkill** If your engine is running stock or near-stock conditions (e.g., stock camshafts, no forced induction), these rods may be unnecessary. For such applications, OEM rods or slightly upgraded options (like forged steel rods) might suffice.

4. **Maintenance and Inspection Requirements** High-performance rods demand meticulous maintenance. Regular inspection of rod bolts, bearings, and crankshaft journals is critical to ensure longevity, which may not be feasible for all owners.

5. **Limited Availability of Parts** While Maxpeedingrods is a reputable brand, some specialized components (e.g., custom bearings, seals) may require sourcing from other suppliers, adding complexity to the build.

6. **Risk of Improper Installation** If not installed correctly (e.g., incorrect torque specs, misaligned rods, or damaged bearings), these rods could fail prematurely. This risk is higher with aftermarket parts compared to OEM components.

7. **Potential for Voiding Warranty** If your engine is heavily modified (e.g., forced induction, aggressive camshafts, or high compression), some manufacturers may void warranties on other components (e.g., crankshaft, bearings) if a rod failure occurs. Always check with your tuner or mechanic.

---

### **Conclusion and Recommendation**

The **Maxpeedingrods G73RZI H-beam rods** are an excellent choice for a **2nd-gen Lancer Evo (4G63) engine** if you are planning to run **significant modifications**, such as:

- Forced induction (turbo/supercharger)

- High-performance camshafts

- High compression ratios

- Aggressive power targets (300 hp or higher)

- Reliability-focused builds (e.g., drift, track, or high-mileage performance)

**They are not necessary** for stock or mildly modified engines where OEM rods (with proper maintenance) will suffice. In such cases, the cost and complexity may not justify the upgrade.

**Recommendation:**

- **If you are pushing the 4G63 beyond stock limits (especially with forced induction), these rods are a wise investment** paired with ARP bolts, they will significantly improve reliability and allow you to extract more power safely.

- **If your build is stock or near-stock**, consider sticking with OEM rods or a more budget-friendly forged steel rod kit (e.g., from brands like **JE, Scat, or KW**).

- **Always pair aftermarket rods with high-quality bearings, seals, and proper lubrication** (e.g., Mobil 1 Racing 4T or similar).

- **Have a professional perform the installation** to avoid mistakes that could compromise performance or safety.

**Final Verdict:** For serious tuners, the G73RZI rods are a strong, high-end option worth the investment. For casual builds, they may be overkill. Always match the upgrade to your engine s intended use.

Details:

Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 10CM. Applications. For Talon for RSI 1993 -1998, Mitsubishi Eclipse GS 1993 -1994, GST 1993 -1999, GSX Spider 1996 -1999, Lancer Evolution 2003 -2006, Plymouth Laser RS Pin Type: Floating Piston.

Will not fit 1G 4G63 6 Bolt Engines. For 4G63 2nd Gen Lancer EVO 7 BOLT, Note to length :156mm/6.142.

part #: g73rzi price

  • $352.28

specifications pistonrinro:

  • for models: Lancer, Evo
  • brand: Maxpeedingrods
  • mpn: G73rzi
  • part type: Rod Bolt
  • big end diameter: 48mm
  • big end width: 26.4mm
  • california prop 65 warning: California Prop 65 Warning
  • center to center length: 156mm
  • material: Forged 4340 Aircraft Chrome Moly Quality Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., This Is Aftermarket Replcement Part
  • pin type: Bronzed Bushing Floating Pin
  • small end diameter: 22mm
  • universal fitment: No
  • weight tolerance: Balanced To / 1 Gram In Set

seller pistonrinro:

  • city: Rowland height, California
  • rating: 99.8%
  • # reviews: 2126

returns pistonrinro:

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

general pistonrinro:

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

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offer pistonrinro:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: March 30, 2026
  • best offers: True

shipping pistonrinro:

  • cost: $0.00
  • transit: 3-8 Days
  • type: Fixed
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
for models: lancer, evo, part type: rod bolt, big end diameter: 48mm, big end width: 26.4mm, california prop 65 warning: california prop 65 warning, center to center length: 156mm, note: no instruction included, notice: this is aftermarket replcement part., california prop 65 warning., this is aftermarket replcement part, pin type: bronzed bushing floating pin, small end diameter: 22mm, universal fitment: no, weight tolerance: balanced to / 1 gram in set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: forged 4340 aircraft chrome moly quality steel, sku: 13032310412058772,
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