fits model: Mk4, Golf. year: 1999–2005.

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 67GN2A ), ( Part Type: 24v Rod ), ( Big End Diameter: 56.8mm/2.236in ), ( Big End Width: 19.9mm/0.783in ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 164mm/6.457in ), ( Country Of Manufacture: Javascript ), ( Material: Forged 4340 Aircraft Chrome Moly Quality Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 6 Pieces As Showing In Picture ), ( Small End Diameter: 20mm/0.787in ), ( Torque: 26ft 35nm ), ( Weight Tolerance: Balanced To / 1 Gram In Set )
The **Maxpeeding Rods 67GN2A 6x High-Strength Connecting Rods** are a meticulously engineered, performance-focused upgrade designed specifically for the **Volkswagen Golf Mk4 (1999 2005) 2.8L VR6 (12V and 24V variants)** with a **164mm stroke**, including applications for both the **16V and 24V engine configurations**. These rods represent a significant leap beyond OEM components, offering a **6x (six-time) strength improvement** over stock rods while maintaining precision machining and weight optimization. Crafted from **high-grade 4340 alloy steel**, these rods undergo a **multi-stage heat treatment process**, including **nitriding and shot peening**, to achieve an exceptional strength-to-weight ratio, ensuring they can withstand extreme power levels without compromising reliability. The **forged construction** eliminates common issues like rod stretch or fatigue, making them ideal for high-RPM applications, forced induction builds, or aggressive engine modifications. Each rod features **precision-ground big and small ends** with **high-quality, hardened 718 steel bushings** that reduce friction and improve durability, while the **optimized rod length and offset** maintain proper crankshaft balance and minimize secondary stress on the crankshaft journals. Whether you're pushing the limits of a naturally aspirated VR6 or preparing for a turbocharged or supercharged project, these rods provide the **rigidity and strength** needed to handle elevated power outputs while reducing the risk of catastrophic failure. Backed by Maxpeeding s reputation for quality and performance, these rods are a **must-have component** for serious VR6 enthusiasts looking to push their engines beyond stock limits with confidence.
### **Pros and Cons of Buying Maxpeedingrods 67GN2A 6x Connecting Rods for a 1999-2005 VW Golf MK4 2.8L VR6**
#### **Pros:**1. **Strength and Durability** The 67GN2A rods are forged from high-quality 4340 steel, which is significantly stronger than stock rods. This makes them better suited for forced induction (turbo/supercharger) or high RPM applications, reducing the risk of catastrophic failure under stress.
2. **Balanced Weight** These rods are designed with a balanced weight distribution, improving engine balance and reducing vibration, which can lead to smoother operation and potentially longer component life.
3. **Compatibility with Upgrades** Since the VR6 is a popular engine for forced induction builds, these rods are a common upgrade choice for those running turbos, superchargers, or nitrous. They help handle the increased stress from these modifications.
4. **Aftermarket Support** Maxpeedingrods is a well-known brand in the performance aftermarket, meaning these rods are widely available, and there is a good support network for installation and troubleshooting.
5. **Potential for Increased Power** By reducing the risk of rod failure under high loads, these rods allow for more aggressive tuning, which can lead to better power output if paired with other supporting modifications.
6. **Long-Term Reliability** Forced rods are less prone to fatigue failure compared to stock rods, especially in high-stress applications, which can extend the engine s lifespan if maintained properly.
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#### **Cons:**1. **Cost** Forged rods are significantly more expensive than stock rods. The 67GN2A set will cost several hundred dollars, which is a substantial investment compared to the original equipment.
2. **Installation Complexity** Replacing connecting rods requires significant disassembly of the engine, including removing the crankshaft, pistons, and other components. This is a labor-intensive job that may require professional help, adding to the overall cost.
3. **Potential for Overkill** If the engine is not heavily modified (e.g., stock or mild naturally aspirated), the stock rods may still be adequate. Forced rods are an overkill investment unless forced induction or extreme power levels are planned.
4. **Maintenance Considerations** Forged rods require proper lubrication and maintenance to prevent issues like rod bearing wear or oil starvation. Neglecting oil changes or using low-quality oil can negate the benefits of the rods.
5. **Weight Penalty** While the rods are balanced, they are heavier than stock rods. This can slightly increase reciprocating mass, which may affect engine response at very high RPMs unless other components (e.g., crankshaft, pistons) are also upgraded.
6. **Risk of Improper Installation** If not installed correctly, there is a risk of damage to the rods, bearings, or other components. This underscores the importance of having a skilled mechanic perform the job.
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### **Conclusion:**The **Maxpeedingrods 67GN2A 6x connecting rods** are an excellent choice for a **1999-2005 VW Golf MK4 2.8L VR6** if the engine is being prepared for **forced induction (turbo/supercharger) or high-performance applications**. Their forged construction provides superior strength and reliability under stress, making them a wise investment for serious builders. However, they are **not necessary** for stock or mildly modified engines, where stock rods may suffice.
If you plan to run **significant boost (10 psi) or nitrous**, these rods will significantly reduce the risk of catastrophic failure. For **naturally aspirated or mildly modified engines**, the cost and complexity may not be justified unless other components (e.g., crankshaft, bearings) are also upgraded.
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### **Recommendation:**- **If running forced induction or high power:** **Upgrade to the Maxpeedingrods 67GN2A rods** as part of a comprehensive build. Pair them with supporting modifications like **high-quality bearings, a reinforced crankshaft, and proper lubrication** for optimal performance.
- **If keeping the engine stock or mildly modified:** **Stick with stock rods** unless you experience issues like rod knock or fatigue. The added cost and complexity are unlikely to provide meaningful benefits in these cases.
- **If unsure about power goals:** Consult with a **performance engine builder** to assess whether forced rods are necessary based on your specific plans for the engine.
Ultimately, these rods are a **strong choice for forced induction builds** but should be carefully considered based on your engine s intended use. Proper installation and maintenance are critical to realizing their full potential.
Our representatives will provide you with detailed instructions on how to proceed. Boxes, APO/FPO addresses, or Military Mail Boxes. H-Beam Design: helps improve stiffness, reduce stress risers and weight. High Precision Control: Balanced within: /- 1 gram per rod.
XZMAL 6x Connecting Rods for VW Golf 1999 2005 MK4 2.8L 12V VR6 24V 164mm. Horsepower Rating: Advertised horsepower rating: 600HP-800HP. Bores finished to: /- .005mm or .0002. One Year Unlimited Mileage Quality Guarantee.