fits model: Lancer, Evo. year: 2000.

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: AYZK30 ), ( 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 ), ( Country Of Origin: China ), ( 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 )
The **Maxpeedingrods AYZK30 4-Piece Connecting Rods** are a meticulously engineered, high-performance upgrade designed specifically for the **2nd Generation Mitsubishi Lancer Evolution (4G63) and the 4G63-based Bolt (Evo VIII)**, ensuring maximum reliability, durability, and power output for both street and track applications. Crafted from **forged 4340 chromium-molybdenum alloy steel**, these connecting rods are heat-treated to an **ultra-high tensile strength of 180,000 PSI**, far exceeding the stock rod s capabilities while maintaining exceptional fatigue resistance. The **ARP 2000-grade bolts** included in this kit are precision-machined from **AISI 4340 steel**, featuring **1.5x oversized shanks** and **1.75x oversized threads** for a significantly larger grip on the rod journals, drastically reducing the risk of bolt stretch or failure under extreme loads. Each rod is **dynamic-balanced** to eliminate vibration, ensuring smooth operation even at high RPMs, while the **precision-ground big-end bearings** (included) are designed to handle elevated oil temperatures and heavy loads without premature wear. The **custom-fit design** accounts for the unique geometry of the 4G63 engine, with **optimized rod length and offset** to enhance piston-to-wall clearance, reduce stress on the crankshaft, and improve overall engine efficiency. Whether you're pushing the limits on the street, chasing lap records at the track, or preparing for a high-RPM build, these rods deliver the **strength, precision, and reliability** needed to unlock the full potential of your 4G63-powered vehicle. Built to withstand **forced induction, nitrous, or aggressive tuning**, this kit is an essential component for any serious performance modification, ensuring your engine can handle the power without compromising structural integrity.
**Pros and Cons of Buying Maxpeedingrods AYZK30 4-Piece Connecting Rods for 4G63 (2nd Gen Lancer Evo/Bolt)**
### **Pros:**1. **High-Strength Material** These rods are made from **forged 4340 chromium-molybdenum steel**, which is significantly stronger than stock rods. This material is commonly used in racing and high-performance applications, offering better durability under extreme stress.
2. **ARP Bolt Pattern** The rods come with **ARP 2000 bolts**, which are among the strongest aftermarket bolts available. ARP bolts are designed for high-performance engines, reducing the risk of bolt stretch or failure under heavy loads.
3. **Precision Machining** Maxpeedingrods rods are **precisely machined** to tight tolerances, ensuring proper fitment and alignment with the crankshaft and pistons. This reduces the risk of rod bending or engine damage.
4. **Lightweight Design** While still durable, these rods are **lighter than stock rods**, which can help improve engine balance and reduce reciprocating mass. This can contribute to better high-RPM performance.
5. **Compatibility with Upgrades** Since the 4G63 is a popular engine in the tuning community, these rods are designed to work well with **turbocharging, nitrous, or forced induction**, making them a solid choice for modified engines.
6. **Warranty & Reputation** Maxpeedingrods is a well-known brand in the aftermarket performance parts industry, and their rods come with a **warranty**, providing some peace of mind against manufacturing defects.
7. **Improved Reliability** Stock rods on the 4G63 are known to be **marginally strong**, especially under heavy boost or high RPM. Upgrading to these rods can significantly **reduce the risk of catastrophic failure** (e.g., rod bend or break).
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### **Cons:**1. **Cost** These rods are **not cheap**, typically ranging between **$500 $800** for the full set, depending on where you purchase them. This is a significant investment compared to stock rods, which are essentially free if you already have the engine.
2. **Installation Complexity** Replacing connecting rods requires **disassembling the engine almost entirely**, including removing the crankshaft. This is a **labor-intensive job** that should ideally be done by a professional mechanic with experience in engine rebuilds.
3. **Potential for Overkill (If Not Needed)** If your engine is **stock or lightly modified** (e.g., mild turbo, no nitrous), these rods may be **more than necessary**. Stock rods can handle **moderate boost (10 15 psi) and stock RPMs** without issue, though they are not ideal for extreme builds.
4. **Crankshaft Compatibility** While these rods are designed for the **4G63**, you must ensure your **crankshaft is in good condition** (no cracks, proper balance). A worn or damaged crank could still be a weak point even with upgraded rods.
5. **Piston & Oil Control Ring Considerations** If you re upgrading rods, it s often recommended to **also upgrade pistons, rings, and oil control components** (e.g., wrist pins, oil squirters) to maintain balance. Failing to do so could lead to **uneven stress distribution**.
6. **Learning Curve for Tuning** With stronger rods, you may need to **adjust your tuning approach**, especially if increasing boost or RPM. Improper tuning (e.g., too much boost without proper fueling) could still stress other components.
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### **Conclusion:**Maxpeedingrods AYZK30 rods are a **solid upgrade** for the **4G63 engine**, particularly if you re running **forced induction, high RPMs, or aggressive modifications**. They offer **superior strength, reliability, and compatibility with performance builds**, making them a **wise investment for serious tuners**.
However, they are **not necessary for stock or lightly modified engines**, and the **installation cost and complexity** should be considered. If you re pushing the 4G63 to its limits (e.g., **20 psi boost, nitrous, or extreme RPMs**), these rods will **significantly improve durability and performance**.
For **stock or mild builds**, consider **stock rods with ARP bolts** or **aftermarket rods from a more budget-friendly brand** (e.g., JE, Scat, or ISC). But if you re going all-out, **Maxpeedingrods is a top-tier choice**.
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### **Recommendation:** - **Buy these rods if:**- You re **turbocharging the 4G63 beyond 15 psi**.
- You re running **nitrous or extreme RPMs (8,000 RPM)**.
- You want **maximum reliability** for a **high-performance build**.
- You re already upgrading other components (pistons, crank, oil system).
- **Avoid these rods if:**- Your engine is **stock or only mildly modified**.
- You re on a **tight budget** and can t justify the cost.
- You re not comfortable with **engine disassembly/reassembly**.
**Final Verdict:** These rods are **one of the best upgrades** for the 4G63 in a **high-performance application**, but they re **not a universal fix** only necessary for serious builds. If you re serious about pushing your engine, they re a **strong recommendation**. Otherwise, consider alternatives based on your specific goals.
Fast Shipping. Will not fit 1G 4G63 6 Bolt Engines. For 4G63 2nd Gen Lancer EVO 7 BOLT, Note to length :156mm/6.142.
Telephone number. Full physical. 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. 4pcs Connecting Rods For 4G63 2nd Gen Lancer EVO 7 BOLT Conrod Bielle ARP 2000.
Applications. Guaranteed Fitment Always the correct part.