MAXPEEDINGRODS 641P0E Forged Connecting Rods Arp Bolts 4340 D17A 1.7L Engine 137MM

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 641P0E ), ( Big End Diameter: 48mm/1.89 ), ( Big End With: 19.8mm/0.78 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center Length: 137mm/5.394 ), ( Fit For: For Honda D17 / D17a 1.7l Engine ), ( Hp Rating: Around 200hp/piece ), ( Ipn: 1.7l D17 ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., This Is Aftermarket Replcement Part ), ( Pin Diameter: 19mm/0.748 ), ( Pin End With: 21.59mm/0.85 ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Placement On Vehicle: Left, Right, Front, Rear ), ( Quantity: 4 Pieces Of H-beam Connecting Rods ), ( Surface Finish: Brand New ), ( Type: Connecting Rod ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS 4340 Forged Connecting Rods Arp Bolts Honda 1.7l Engine 137mm fits CIVIC D17

The **Maxpeeding Rods 641P0E 4340 Forged Connecting Rods with ARP Bolts** represent a premium, high-performance upgrade for the **Honda Civic D17/D17A 1.7L engine**, designed to transform stock reliability into a robust, high-stress foundation capable of handling aggressive tuning, forced induction, or extreme power outputs. Crafted from **4340 alloy steel**, these forged connecting rods are heat-treated to achieve an exceptional balance of strength, durability, and fatigue resistance, ensuring they can withstand the relentless demands of high-revving engines, nitrous applications, or turbocharged setups without compromising structural integrity. The **137mm rod length** maintains precise clearance with the stock crankshaft, eliminating the need for additional spacer kits or modifications, while the **precision-machined oil holes** and **optimized wall thickness** enhance lubrication flow and reduce stress concentrations critical factors for engines pushing beyond factory limits. Complementing the rods are **ARP 12-point bolts**, renowned for their superior clamping force and resistance to loosening under extreme conditions. These bolts feature **high-strength, aircraft-grade steel** with a **black oxide finish** to prevent corrosion, ensuring a secure, vibration-dampening grip on the rod caps while minimizing the risk of catastrophic failure. Whether you're building a **high-revving naturally aspirated beast**, a **turbocharged powerhouse**, or a **nitrous-boosted street/strip machine**, these rods and bolts provide the uncompromising strength and precision engineering required to push the D17 engine to its absolute limits without sacrificing reliability. Perfect for enthusiasts seeking a **direct, bolt-on upgrade** that bridges the gap between stock durability and professional-grade performance, the Maxpeeding Rods 641P0E kit is a game-changer for those who demand nothing less than the best in aftermarket connecting rod technology.

**Pros and Cons of Buying Maxpeedingrods 641P0E 4340 Forged Connecting Rods with ARP Bolts for the Honda Civic D17/D17A 1.7L Engine (137mm)**

### **Pros**

1. **Enhanced Durability and Strength**

The 4340 forged steel used in these rods is significantly stronger than stock cast rods, reducing the risk of catastrophic failure under high stress. This is particularly beneficial for engines running forced induction (turbo/supercharger) or high-performance modifications, where stress on the rod bolts and rod itself is elevated.

2. **ARP Bolts for Critical Retention**

ARP (Advanced Racing Products) bolts are known for their superior clamping force and reliability compared to stock bolts. They are designed to handle extreme loads without stretching or loosening, which is crucial for engines under heavy loads or aggressive power modifications. This reduces the risk of rod bolt failure, a common failure point in high-performance engines.

3. **Compatibility with Stock Engine Bay**

These rods are designed to fit the D17/D17A engine bay without requiring major modifications to the engine block or crankshaft. The 137mm rod length matches the stock dimensions, ensuring a straightforward installation process.

4. **Improved Performance Potential**

Forced induction builds (turbocharged or supercharged) benefit from the increased strength of forged rods and ARP bolts, allowing for higher boost levels and power outputs without compromising reliability. This can be particularly useful for engines modified for track use or high-performance street applications.

5. **Reduced Risk of Rod Bending or Failure**

Cast rods are prone to bending or breaking under excessive stress, which can lead to catastrophic engine damage. Forged rods, being more rigid and stronger, resist deformation better, providing a safer option for high-performance applications.

6. **Long-Term Reliability**

Forged rods and ARP bolts are designed for durability, which can extend the lifespan of the engine, especially in applications where the engine is subjected to repeated high-stress cycles (e.g., drifting, track days, or aggressive street driving).

7. **Warranty and Support**

Maxpeedingrods and ARP are reputable brands with warranties and customer support. This provides peace of mind in case of manufacturing defects or installation issues.

---

### **Cons**

1. **Cost**

Forged rods and ARP bolts are significantly more expensive than stock components. The price point may be prohibitive for budget-conscious builders or those who are not planning extensive modifications. The cost can range into the hundreds of dollars, depending on whether you purchase them as a kit or individually.

2. **Installation Complexity**

While these rods are designed to fit stock dimensions, installing them requires careful attention to detail. This includes ensuring proper rod bearing clearance, correct bolt torque specifications (ARP bolts require precise torque values), and alignment with the crankshaft. Improper installation can lead to binding or premature wear. This may necessitate professional installation or additional research to avoid mistakes.

3. **Potential for Overkill**

If the engine is not heavily modified or not subjected to extreme loads (e.g., stock or mildly tuned naturally aspirated engines), the benefits of forged rods and ARP bolts may not be fully realized. For these applications, stock rods and bolts may suffice, making the upgrade unnecessary.

4. **Weight**

Forged rods are heavier than cast rods. While this may not be a significant issue for most applications, it could slightly affect drivability or handling in high-performance vehicles where weight reduction is a priority.

5. **Compatibility with Aftermarket Parts**

If the engine is modified with aftermarket components (e.g., a different crankshaft, pistons, or connecting rod bearings), compatibility must be verified. Some aftermarket parts may not align perfectly with the dimensions of these rods, requiring additional adjustments or custom parts.

6. **Time-Consuming Rebuild**

Replacing rods and bolts typically requires a full engine rebuild, including removal of the crankshaft, pistons, and other components. This is a labor-intensive process that may not be feasible for casual DIYers without access to proper tools and experience.

7. **Limited Use Case for Naturally Aspirated Engines**

For engines running naturally aspirated (without forced induction), the benefits of forged rods and ARP bolts are less pronounced unless the engine is heavily modified or subjected to extreme conditions (e.g., high RPMs, aggressive driving, or track use). In such cases, the upgrade may not be justified by the power output.

---

### **Conclusion**

The Maxpeedingrods 641P0E 4340 forged connecting rods with ARP bolts are an excellent choice for Honda Civic D17/D17A engines that are either already modified for forced induction or are planned for significant power increases. The upgrade offers substantial improvements in durability, reliability, and the ability to handle higher stress levels, which is critical for engines pushing beyond stock limits. However, the cost, installation complexity, and potential overkill for lightly modified or naturally aspirated engines must be carefully considered.

For engines running stock or with mild modifications, the benefits may not justify the expense. In contrast, for turbocharged, supercharged, or heavily modified engines especially those used for track applications the investment in forged rods and ARP bolts is highly recommended to prevent catastrophic failure and ensure long-term reliability.

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### **Recommendation**

- Your engine is turbocharged, supercharged, or heavily modified for high-performance applications.

- You are planning to run high boost levels or aggressive power outputs.

- You prioritize reliability and are willing to invest in components that reduce the risk of rod bolt or rod failure.

- You have access to proper tools and experience for installation, or you are prepared to seek professional assistance.

- Your engine is stock or only mildly modified without forced induction.

- You are operating on a tight budget and the power gains do not justify the cost.

- You lack the experience or resources to perform a proper engine rebuild and installation.

- Your primary use is casual driving without extreme stress on the engine.

For most forced induction builds on the D17/D17A engine, these rods and bolts are a worthwhile upgrade. Always pair them with high-quality bearings, pistons, and a properly tuned engine to maximize their benefits.

Details:

Horsepower Rating: Advertised horsepower rating: 600HP-800HP. Boxes, APO/FPO addresses, or Military Mail Boxes. One Year Unlimited Mileage Quality Guarantee. APLUSUS 4340 Forged Connecting Rods ARP Bolts for Honda Civic D17 D17A 1.7L engine 137mm.

H-Beam Design: helps improve stiffness, reduce stress risers and weight. High Precision Control: Balanced within: /- 1 gram per rod. Our representatives will provide you with detailed instructions on how to proceed. Bores finished to: /- .005mm or .0002.

part #: 641p0e prices

• $329.19-$408.99

specifications pistonrinro:

• for models: D17, Civic
• for makes: Honda
• brand: Maxpeedingrods
• mpn: 641p0e
• big end diameter: 48mm/1.89
• big end with: 19.8mm/0.78
• california prop 65 warning: California Prop 65 Warning
• center length: 137mm/5.394
• fit for: For Honda D17 / D17a 1.7l Engine
• hp rating: Around 200hp/piece
• ipn: 1.7l D17
• manufacturer warranty: 2 Years
• material: Steel
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., This Is Aftermarket Replcement Part
• pin diameter: 19mm/0.748
• pin end with: 21.59mm/0.85
• pin type: Bronzed Bushing Floating Pin
• placement on vehicle: Left, Right, Front, Rear
• quantity: 4 Pieces Of H-beam Connecting Rods
• surface finish: Brand New
• type: Connecting Rod
• weight tolerance: Balanced To / 1 Gram In Set

payments pistonrinro:

• credit card: Diners-club
• wallet: Paypal
• other

offer pistonrinro:

• quantity: 2
• started: March 22, 2026
• availability: In Stock
• options: Ship-to-home
• best offers: True
• sold: 0

seller pistonrinro:

• city: Rowland height, California
• # reviews: 20969
• rating: 99.1%

general pistonrinro:

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

returns pistonrinro:

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

shipping pistonrinro:

• carrier: FedEx
• transit: 5-9 Days
• type: Fixed
• class: Standard
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery

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