fits model: 4age, Corolla. make: Toyota.

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: E7LQOM ), ( Big End Diameter: 45mm ), ( Big End Width: 21.8mm ), ( Bundle Listing: Yes ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Country Of Origin: China ), ( Fitment Type: Performance/custom ), ( Hp: Around 600-800hp ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: Set Of 4 Pieces ), ( Rod Length: 122mm ), ( Small End Diameter: 20mm ), ( Surface Finish: Brand New ), ( Type: Connecting Rod Set ), ( Weight Tolerance: Balanced To / 1 Gram In Set )
**Maxpeedingrods E7LQOM High-Performance Connecting Rods Precision-Crafted for the Toyota Corolla 4AG/4AGE, AE86, AT160, AT171, and Carina 1.6L (122mm Bore)**
Designed with meticulous engineering and built to elevate the performance of your Toyota s 1.6L inline-four engine, the **Maxpeedingrods E7LQOM connecting rods** represent a significant upgrade over stock components, delivering enhanced durability, reduced weight, and improved reliability under high-stress conditions. These rods are forged from **high-grade 4340 chromium-molybdenum alloy steel**, a material renowned for its exceptional strength-to-weight ratio, ensuring they can withstand the rigors of forced induction, aggressive tuning, or high-revving applications without compromising structural integrity. The **precision-machined design** incorporates optimized wall thickness and balanced weight distribution, reducing reciprocating mass while maintaining rigidity critical factors for maximizing power output and minimizing engine strain. Whether you re running a turbocharged setup, a supercharger, or simply pushing your naturally aspirated engine to its limits, these rods provide the robustness needed to handle elevated cylinder pressures and RPM without the risk of failure.
The **E7LQOM rods** are specifically engineered to fit the **122mm bore** engines found in the Toyota Corolla (4AG/4AGE), AE86 (AT160/AT171), and Carina models, ensuring a seamless installation with minimal clearance adjustments. Their **interference-fit design** with the crankshaft journals further enhances stability, reducing lateral movement and minimizing wear on the bearings, while the **polished rod bolts** (included) feature a **fine thread pitch** for consistent clamping force, preventing loosening under high loads. Unlike aftermarket rods that may sacrifice strength for weight savings, Maxpeedingrods prioritizes **proven reliability**, making these an ideal choice for both street-driven enthusiasts and track-focused builds. The rods are **fully machined to exacting tolerances**, ensuring a perfect fit with your existing pistons and crankshaft, while the **smooth, polished surfaces** reduce friction and heat buildup, contributing to longer component life.
For those seeking a **performance edge without sacrificing longevity**, these rods are an excellent alternative to stock parts, offering a **substantial weight reduction** (typically 20-30% less than OEM rods) while maintaining or exceeding the strength of factory components. Whether you re building a **high-revving turbocharged daily driver** or a **track-focused AE86**, the E7LQOM rods provide the **precision, strength, and reliability** needed to push your engine to new limits. Backed by Maxpeedingrods reputation for quality and backed by rigorous testing, these connecting rods are a **must-have upgrade** for any serious Toyota enthusiast looking to maximize power while minimizing risk.
### **Pros and Cons of Buying Maxpeedingrods E7LQOM Connecting Rods for Toyota 4AG/4AGE (AE86, AT160, AT171, Carina 1.6L, 122mm Stroke)**
#### **Pros**
1. **Enhanced Durability and Strength** Maxpeedingrods rods are forged from high-quality 4340 chrome-moly steel, which provides superior strength and resistance to fatigue compared to stock rods. This is particularly beneficial for forced induction builds or high-RPM applications where stock rods may fail prematurely.
2. **Precision Machining** These rods are CNC-machined to tight tolerances, ensuring better balance and reduced vibration. This can improve engine longevity and performance, especially under heavy loads.
3. **Compatibility with Stock Crankshaft** The E7LQOM rods are designed to fit the stock 4AG/4AGE crankshaft (122mm stroke), making them a straightforward upgrade without requiring a full engine rebuild.
4. **Aftermarket Support and Tuning Potential** Since these rods are widely used in the AE86 and related 4A-GE builds, there is a strong aftermarket presence for gaskets, bolts, and tuning support. This makes maintenance and upgrades easier.
5. **Cost-Effective Upgrade** Compared to full engine rebuilds or custom rods, Maxpeedingrods rods offer a relatively affordable way to significantly improve engine reliability, especially for turbocharged or high-performance applications.
6. **Reduced Risk of Rod Failure** Stock rods on the 4AG/4AGE are known to be weak, particularly under forced induction. Upgrading to Maxpeedingrods rods eliminates this risk, making them a safer choice for aggressive builds.
7. **Lightweight Yet Strong** While not as light as titanium rods, these forged steel rods strike a balance between strength and weight, improving power-to-weight ratios without excessive bulk.
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#### **Cons**
1. **Installation Complexity** Replacing connecting rods requires disassembling the engine, removing the crankshaft, and carefully installing the new rods with proper lubrication and alignment. This is a labor-intensive process that may require professional help unless the installer is experienced.
2. **Cost of Additional Components** While the rods themselves are reasonably priced, upgrading to these rods often necessitates replacing other components such as:
- **Main bearings** (often upgraded to aftermarket options like Fel-Pro or Sealed Power)
- **Pistons** (if not already upgraded, as mismatched pistons can cause issues)
- **Rod bolts** (often upgraded to ARP or similar high-strength bolts)
- **Crankshaft** (if the stock crank is worn, a replacement may be needed)
These additional costs can add up quickly.
3. **Potential for Overkill on Stock Engines** If the engine is not heavily modified (e.g., stock turbo, mild tuning), the stock rods may still suffice for casual driving. Upgrading to Maxpeedingrods rods may be unnecessary unless planning significant power increases.
4. **Limited Weight Savings Compared to Titanium** For those seeking maximum weight reduction (e.g., for drifting or extreme performance), titanium rods offer better performance gains, though at a much higher cost.
5. **Warranty and Return Risks** Since these are aftermarket parts, they may void the vehicle s factory warranty if installed. Additionally, if installation errors occur, the rods could fail prematurely, leading to costly damage.
6. **Learning Curve for Installation** Improper installation (e.g., incorrect lubrication, misalignment, or overtightening) can lead to rod failure or engine damage. This requires careful attention to detail.
7. **Not a Complete Engine Upgrade** While the rods are a significant improvement, they do not address other potential weak points in the engine (e.g., weak blocks, stock oil pump, or head gaskets). A full build may still require additional upgrades.
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### **Conclusion**
Maxpeedingrods E7LQOM connecting rods are an excellent choice for Toyota 4AG/4AGE owners looking to significantly improve engine reliability, especially for forced induction or high-performance applications. They offer a strong, durable alternative to stock rods without the expense of a full engine rebuild. However, the upgrade requires careful planning, additional component replacements, and a willingness to invest time in proper installation.
For **stock or mildly modified engines**, these rods may be overkill and not justify the cost. For **turbocharged, nitrous, or high-RPM builds**, they are a practical and cost-effective way to prevent catastrophic rod failure.
### **Recommendation**
- **If building a turbocharged or high-performance 4AG/4AGE (e.g., 150 HP naturally aspirated or turbocharged):**Upgrade to Maxpeedingrods E7LQOM rods **alongside** other necessary components (e.g., aftermarket pistons, main bearings, rod bolts, and a reinforced oil pump). This will ensure long-term reliability and prevent rod failure.
- **If keeping the engine stock or running mild modifications (e.g., mild tuning, stock turbo):**Stock rods may suffice, and the cost of upgrading rods may not be justified unless planning significant power increases.
- **For maximum weight reduction and performance:**Consider titanium rods (e.g., from companies like **Titanium Forge** or **JE**) if budget allows, though they come at a much higher price.
- **For installation:**If not experienced with engine disassembly, consult a reputable machine shop or mechanic familiar with 4A-GE builds to ensure proper installation and alignment.
Ultimately, Maxpeedingrods rods are a **smart investment for serious builders** but should be paired with other upgrades to fully realize their benefits.
Horsepower Rating: Advertised horsepower rating: 600HP-800HP. Our representatives will provide you with detailed instructions on how to proceed. Bores finished to: /- .005mm or .0002. Tom Connecting Rods For Toyota Corolla 4AG 4AGE AE86 AT160 AT171 Carina 1.6L 122mm.
Pin Type: Floating Piston. Boxes, APO/FPO addresses, or Military Mail Boxes. High Precision Control: Balanced within: /- 1 gram per rod. One Year Unlimited Mileage Quality Guarantee.
H-Beam Design: helps improve stiffness, reduce stress risers and weight.