fits make: Audi.

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 24Z579 ), ( Big End Diameter: 50.6mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 144mm ), ( Country Of Origin: China ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 5 Pieces As Showing In Picture ), ( Small End Diameter: 20mm ), ( Type: Connecting Rod Set ), ( Weight Tolerance: Balanced To / 1 Gram In Set )
The **Maxpeeding Rods 24Z579 144mm Forged Steel Connecting Rods (3/8" Bolt Pattern)** represent a premium, high-performance upgrade designed specifically for the Audi RS2 2.2L five-cylinder engine, delivering unmatched strength, precision, and reliability for both street and track applications. Engineered from **high-grade 4340 forged steel**, these rods are heat-treated to an exceptional hardness of **38-42 Rockwell C**, ensuring they can withstand extreme stresses without compromising on durability. The **144mm length** is meticulously optimized to maintain proper rod-to-piston clearance while enhancing rigidity, reducing torsional flex, and improving overall engine efficiency. Each rod is **precision-machined** to exacting tolerances, featuring **fully counterweighted designs** to minimize vibration and enhance smoothness under heavy loads, whether at high RPM or under aggressive throttle inputs. The **3/8" bolt pattern** ensures seamless compatibility with stock crankshafts, allowing for a straightforward installation without the need for additional modifications, though it is recommended to pair these rods with a high-quality crankshaft for maximum performance. These rods are not merely an upgrade they are a **critical component for those pushing the limits** of their Audi RS2, offering a significant boost in power, reliability, and longevity compared to stock or aftermarket alternatives. Whether you're chasing lap times on the track or maximizing power on the street, the Maxpeeding Rods 24Z579 provide the **structural integrity and performance edge** needed to handle the demands of modern high-performance driving. Built to endure the most punishing conditions, these rods are a testament to Maxpeeding s commitment to delivering **race-proven, street-legal components** that elevate your engine s capabilities to new heights.
### **Pros and Cons of Buying Maxpeedingrods 24Z579 144mm Connecting Rods (3/8" Bolt) for an Audi RS2 2.2L 5-Cylinder Engine**
#### **Pros:**1. **Increased Compression Ratio and Power Potential**
The 144mm rods are longer than stock (typically around 135mm), which raises the compression ratio. This can lead to better combustion efficiency, increased power output, and improved throttle response, especially when paired with a high-compression cylinder head or turbo setup.
2. **Enhanced Engine Balance and Smoothness**
Longer rods can improve piston-to-stroke ratio, which may reduce piston slap and improve engine balance, particularly in high-RPM applications. This can contribute to a smoother power delivery, especially in a naturally aspirated or mildly forced engine like the RS2 s 2.2L.
3. **Compatibility with Forced Induction Upgrades**
If you plan to add a turbo or supercharger, longer rods can help accommodate higher boost levels by improving piston speed and reducing stress on the crankshaft and bearings. This is particularly useful if you re pushing the engine beyond stock limits.
4. **Durability and Strength**
Maxpeedingrods rods are forged from high-quality steel, which provides better fatigue resistance compared to cast rods. This can be beneficial if you plan to run the engine at high RPMs or under heavy loads for extended periods.
5. **Aftermarket Support and Tuning Flexibility**
Longer rods are often used in performance builds, meaning there s a wealth of tuning data and support available for similar setups. This can make it easier to optimize fueling, ignition timing, and other parameters for maximum performance.
6. **Potential for Increased Redline**
Longer rods can allow the engine to rev higher without excessive piston speed, which may be desirable for those looking to push the limits of their RS2 s naturally aspirated or turbocharged potential.
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#### **Cons:**1. **Higher Cost**
Longer rods are more expensive than stock or shorter aftermarket rods. The 144mm Maxpeedingrods rods will likely cost significantly more than OEM parts, which may be a barrier for budget-conscious builds.
2. **Potential for Increased Stress on Crankshaft and Bearings**
While longer rods can improve balance, they also increase piston speed and side forces on the crankshaft and main bearings. If the crankshaft or bearings are not upgraded, this could lead to premature wear or failure, especially under high loads.
3. **Requires Engine Modifications**
Installing longer rods may necessitate additional modifications, such as:- **Crankshaft upgrade** (if the stock crank cannot handle the increased loads).
- **Bearing upgrades** (main and rod bearings may need to be stronger to support the new rod length).
- **Piston and ring upgrades** (longer rods may require pistons with different skirt profiles or materials to prevent binding).
- **Rod bolt torque specifications** (3/8" bolts may require careful attention to torque values to avoid failure).
- **Block and head work** (if the engine is being rebuilt, additional machining or reinforcement may be needed).
4. **Potential for Reduced Low-End Torque**
Longer rods can shift power delivery toward higher RPMs, which may result in a less aggressive low-end torque curve. This could make the car feel less responsive in daily driving or low-speed applications, depending on the rest of the build.
5. **Compatibility Issues with Stock Components**
The RS2 s 2.2L engine is already a high-performance unit, and modifying it with longer rods may require careful consideration of other components. For example:
- **Valvetrain stress** (longer rods can increase piston speed, which may affect valve train durability if not properly supported).
- **Oil pump and lubrication** (higher RPMs and increased loads may require an upgraded oil pump or higher-capacity oil system).
- **Exhaust and intake tuning** (the powerband shift may require adjustments to the intake and exhaust to optimize airflow).
6. **Risk of Voiding Warranty (If Applicable)**
If the car is still under warranty, installing aftermarket rods (especially without proper documentation) could void coverage. This is a risk to consider if you plan to keep the car long-term.
7. **Installation Complexity**
Swapping rods requires a full engine rebuild or at least a major overhaul. This involves disassembly, machining, balancing, and reassembly, which can be labor-intensive and costly if done professionally.
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### **Conclusion:**The Maxpeedingrods 24Z579 144mm rods are a significant upgrade for an Audi RS2 2.2L, offering the potential for increased power, improved balance, and better forced induction compatibility. However, they are not a simple drop-in replacement and require careful planning, additional modifications, and a substantial investment in time and money.
If your primary goal is **naturally aspirated performance** or a **mildly forced build**, the benefits may be worth it, but you must ensure the rest of the engine is upgraded to handle the increased loads. If you re running a **highly forced turbo setup**, longer rods can be a smart choice, but they should be paired with a **strong crankshaft, upgraded bearings, and proper tuning**.
For a **stock or lightly modified RS2**, the stock rods may be sufficient, and the cost and complexity of longer rods may not justify the gains. However, if you re committed to a **high-performance project**, these rods can be a valuable part of the build.
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### **Recommendation:** 1. **If you re building a high-performance RS2 (NA or turbo):**- Proceed with the Maxpeedingrods rods **only if** you are also upgrading the crankshaft, bearings, pistons, and tuning the engine properly. Pair this with a **high-quality oil system, valvetrain support, and a reliable turbo setup** (if applicable).
- Consider consulting with a **performance engine builder** to ensure all components are compatible and properly balanced.
2. **If you re keeping the car stock or lightly modified:**- Skip the longer rods unless you have a specific goal (e.g., extreme NA power or high-boost turbo) that justifies the cost and complexity. Stock rods may be sufficient for most enthusiasts.
3. **Budget Considerations:**- If cost is a concern, explore **shorter aftermarket rods** (e.g., 138mm) or **stock rods with upgraded bolts and bearings** before committing to 144mm. The gains may not be worth the expense unless you re pushing the engine aggressively.
4. **Tuning and Support:**- Work with a **reputable tuner** who has experience with similar builds. Longer rods change the engine s dynamics, and proper fueling, ignition, and boost maps will be critical to avoiding damage.
5. **Backup Plan:**- Have a **spare set of stock rods** on hand in case of installation issues or if you decide to revert to stock components later.
Ultimately, the Maxpeedingrods 24Z579 rods are a **high-end upgrade** best suited for **serious performance builds**, not casual modifications. If you re willing to invest the time, money, and effort into a full engine rebuild, they can be a great choice but proceed with caution and expert guidance.
For Audi RS2 Quarto 2.2 L 5-cylinder 20v turbo, Fitment Details: 80 8C, B4 1993 - 1994 Saloon S2 quarto 2226ccm 230HP, 1994 1995 Estate 315HP. Guaranteed Fitment Always the correct part. Big end diameter: 50.6mm/ 1.99212 in. Fast, Shipping.
Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 14CM. Introduction. The strength is suitable for high-horsepower applications while keeping the weight light. MaXpeedingRods H-beam connecting rods are designed for demanding racing applications to increase horsepower and efficiency.
Center to length : 144mm/ 5.66929 in.