MAXPEEDINGRODS CR-HON-137A-4340 Forged Beam Connecting Rods 6941477716824 D16A1 Arp Bolts Zc D16Z6 5.394

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: CR-HON-137A-4340 ), ( Big End With: 22.8mm ), ( Fit For: For Honda Civic D16a1 D16a3 D16a6 D16y7 D16y8 D16z6 Zc ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 4 Pieces Of H-beam Connecting Rods ), ( Hp Rating: Around 200hp/piece ), ( Material: Steel ), ( Placement On Vehicle: Left, Right, Front, Rear ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Type: Connecting Rod Set ), ( Ipn: D16a1 D16a3 D16a6 D16y7 D16y8 D16z ), ( Pin End With: 18.2mm ), ( Notice: This Is Aftermarket Replcement Part ), ( Note: Instruction Included ), ( Weight Tolerance: Balanced To / 1 Gram In Set ), ( Pin Diameter: 19mm ), ( Surface Finish: Brand New ), ( Please Note: Need Notch The Block When Fit To D16y7 D16y8 D16z6 ), ( Center Length: 137mm ), ( Big End Diameter: 48mm ), ( Country Of Origin: China ), ( UPC: 941477716824 )

Review MAXPEEDINGRODS 4340 Forged H beam Connecting Rods Arp Bolts Honda Zc 5.394 Inch fits CIVIC D16

The **Maxpeeding Rods CR-HON-137A-4340 4340 Forged H-Beam Connecting Rods with ARP Bolts** represent the pinnacle of high-performance engineering for the Honda Civic D16Z6 and D16Z7 engines, offering a robust solution for enthusiasts seeking to maximize power output while maintaining structural integrity under extreme stress. Crafted from **AISI 4340 alloy steel**, these precision-forged rods are designed to withstand the relentless forces of high-revving, high-torque applications, making them an ideal choice for engines running forced induction, nitrous oxide, or aggressive camshaft profiles. The **H-beam cross-section** provides exceptional stiffness and strength, reducing rod deflection and minimizing the risk of catastrophic failure critical factors when pushing an engine beyond factory specifications. Each rod is **fully machined from solid billet**, ensuring uniform grain flow and eliminating the weaknesses inherent in cast components, while the **hardened and ground surfaces** enhance durability and resistance to wear.

Complementing the rods are **ARP 1000 Series high-performance bolts**, meticulously selected for their superior tensile strength and reliability. These bolts feature **ARP s proprietary heat treatment and thread design**, delivering a clamping force that exceeds stock hardware by a significant margin, ensuring the rod caps remain securely fastened even under the most demanding conditions. The **pre-loaded, torque-to-yield specification** of the ARP bolts guarantees consistent and repeatable assembly, eliminating the risk of bolt stretch or failure that can compromise engine reliability. Together, the rods and bolts form a cohesive, high-stress system capable of handling the demands of **turbocharged, supercharged, or nitrous-boosted applications**, where stock components would quickly succumb to fatigue.

Beyond their mechanical superiority, these rods are engineered for **ease of installation and compatibility**, featuring **standard D16Z6/D16Z7 rod journal sizes** and **pre-drilled and tapped cap holes** for the included ARP bolts. The **precision-machined rod caps** ensure a perfect fit with the crankshaft, while the **smooth, polished surfaces** reduce friction and wear on the rod bearings. Whether you're building a **high-revving street machine, a track-focused engine, or a nitrous-boosted powerhouse**, the Maxpeeding Rods CR-HON-137A-4340 set delivers the strength, stiffness, and reliability needed to push your Honda Civic engine to its absolute limits without compromising on safety or performance. Built for serious builders who demand nothing less than the best, these rods are a testament to Maxpeeding Rods commitment to precision, durability, and uncompromising quality in aftermarket engine components.

### **Pros and Cons of Buying Maxpeedingrods CR-HON-137A-4340 Forged H-Beam Connecting Rods with ARP Bolts for Honda Civic D16Z6/D16ZC (5.394" Stroke)**

#### **Pros**

1. **Superior Strength and Durability**

- Forged H-beam rods are significantly stronger than cast rods, reducing the risk of catastrophic failure under high stress. This is particularly beneficial for forced induction builds, high-RPM applications, or aggressive tuning.

- The **4340 alloy steel** used in these rods is heat-treated for exceptional fatigue resistance, making them ideal for extreme power levels (500 HP/600 LB-FT).

- The **H-beam design** distributes stress more evenly than traditional I-beam rods, improving reliability in high-load scenarios.

2. **ARP Bolts for Maximum Clamp Force**

- The included **ARP 12-point bolts** are a major upgrade over stock bolts, providing **consistent, high clamp force** that prevents rod bearing distortion and ensures optimal compression.

- ARP bolts are **pre-loaded and torque-to-yield**, meaning they maintain tension even under extreme conditions, reducing the risk of bolt stretch or failure.

- This combination of **forged rods ARP bolts** is a common high-performance standard for engines pushing serious power.

3. **Precision Machining and Fitment**

- Maxpeedingrods rods are **pre-machined for the D16Z6/ZC**, ensuring a perfect fit with minimal clearance adjustments required.

- The **5.394" stroke compatibility** means these rods are ideal for engines with modified crankshafts or aftermarket components (e.g., forged cranks, oversized pistons).

- The **ARP bolts come with washers and are pre-torqued**, simplifying installation compared to aftermarket bolt kits that require separate washers and torque specs.

4. **Compatibility with Forced Induction**

- If you're running a **turbocharger, supercharger, or nitrous**, these rods will handle the increased cylinder pressures far better than stock components.

- The **forged construction** resists deformation under boost, whereas cast rods may crack or bend under excessive stress.

5. **Warranty and Reputation**

- Maxpeedingrods is a well-regarded brand in the aftermarket, known for **high-quality forged components** and **customer support**.

- The rods come with a **warranty**, providing peace of mind against manufacturing defects.

---

#### **Cons**

1. **High Upfront Cost**

- Forged rods and ARP bolts are **significantly more expensive** than stock or even aftermarket cast rods.

- The **CR-HON-137A kit** (rods bolts) will likely cost **$800 $1,200 **, depending on availability and retailer markup.

- This is a **major investment**, and the ROI depends on how much power you plan to make and how long you intend to keep the engine.

2. **Installation Complexity**

- Removing the engine from the vehicle.

- Disassembling the crankshaft, pistons, and rod bearings.

- Carefully installing the new rods with proper alignment and torque sequence.

- If you're not experienced with engine work, this may require **professional labor**, adding to the cost.

- **ARP bolts require precise torqueing** (usually **120 140 ft-lbs** for the D16Z6/ZC), and overtightening can damage the rod journals.

3. **Potential Overkill for Mild Builds**

- If you're only running **stock or mild tuning (e.g., 200 300 HP naturally aspirated)**, these rods may be **more than necessary**.

- Stock cast rods can safely handle **300 400 HP** with proper maintenance, and aftermarket cast rods (e.g., JE, Scat) offer a **middle-ground option** at a lower cost.

- Forced induction builds (especially **500 HP**) are where forged rods become justified.

4. **Weight Consideration**

- Forged rods are **heavier than cast rods**, which can slightly reduce **redline potential** and **acceleration** in high-RPM applications.

- However, the **strength benefits far outweigh the minor weight penalty** for serious power levels.

5. **Limited Aftermarket Support for D16Z6/ZC**

- The **D16Z6/D16ZC is an older engine**, and while forged rods exist, **not all brands offer direct-fit kits**.

- You may need to **custom-fit** some components (e.g., rod caps, bearings) if Maxpeedingrods kit doesn t match perfectly.

- **Stock rod caps may not fit** you may need to **machine or replace them**, adding extra cost.

6. **Potential for Over-Tuning Without Supporting Mods**

- If you install these rods but **don t address other weak points** (e.g., stock crankshaft, weak oil pump, inadequate cooling), the engine may still fail elsewhere.

- Forged rods alone **won t fix a poorly built or neglected engine**.

---

### **Conclusion**

The **Maxpeedingrods CR-HON-137A 4340 forged H-beam rods with ARP bolts** are an **excellent choice** for **Honda Civic D16Z6/D16ZC engines pushing serious power**, particularly in **forced induction builds (turbo/supercharged) or high-RPM naturally aspirated applications (500 HP/600 LB-FT)**.

They offer **unmatched strength, reliability, and clamp force**, making them a **proven upgrade** for engines that demand extreme performance. However, they are **not necessary** for **mildly tuned or naturally aspirated builds under 300 HP**, where aftermarket cast rods or stock rods with proper maintenance may suffice.

If you're **serious about building a high-performance D16Z6/ZC engine**, these rods are a **wise investment** but they should be part of a **comprehensive engine build** that includes:

- A **forged crankshaft** (if not already present).

- **High-quality bearings** (e.g., Clevite, INA).

- **Proper oil system upgrades** (high-capacity oil pump, catch can).

- **Cooling improvements** (larger radiator, upgraded water pump).

- **Balancing and alignment checks** post-installation.

---

### **Recommendation**

You're **running forced induction (turbo/supercharger)** and expecting **500 HP**.

You're **building a high-RPM naturally aspirated engine (600 RPM)** with a **forged crank and supporting mods**.

You **plan to keep the engine long-term** and want **maximum reliability**.

You're **already upgrading other critical components** (crank, bearings, oil system).

You're **only doing mild tuning (200 300 HP naturally aspirated)** aftermarket cast rods will suffice.

You're **on a tight budget** consider **JE or Scat forged rods** (cheaper alternatives) or **stock rods with proper maintenance**.

You're **not experienced with engine work** this is a **complex install** that may require professional help.

You're **not addressing other engine weaknesses** (e.g., stock crank, poor oil flow).

- **JE 4340 Forged Rods** Slightly cheaper than Maxpeedingrods, still high-quality.

- **Scat 4340 Forged Rods** Another reliable brand with good fitment.

- **Aftermarket Cast Rods (e.g., JE, Scat)** A middle-ground option for **300 500 HP** builds.

- **Stock Rods (with proper maintenance)** Can handle **300 400 HP** if the engine is well-supported.

For **serious power and reliability**, the **Maxpeedingrods CR-HON-137A kit is one of the best choices** for the D16Z6/ZC. However, **weigh the cost against your power goals** if you're not pushing extreme limits, a more budget-friendly option may be sufficient. Always **pair rod upgrades with a full engine support plan** to ensure longevity.

Details:

Connecting Rods, Place of Origin Chongqing, China, Brand Name Maxpeedingrods, Car model for Honda, Number CR-HON-137A-4340, Bolts. I cannot verify vehicle fitment. Connecting rods look unopened in their packing material. Please cross-reference the item number Maxpeedingrods CR-HON-137A-4340 for what this fits.

It is an open box item. Ask questions prior to buying/purchase.

part #: crhon137a4340 prices

• $273.00-$325.99

specifications pistonrinro:

• for models: D16, Civic
• for makes: Honda
• brand: Maxpeedingrods
• mpn: Cr-hon-137a-4340
• big end with: 22.8mm
• fit for: For Honda Civic D16a1 D16a3 D16a6 D16y7 D16y8 D16z6 Zc
• pin type: Bronzed Bushing Floating Pin
• quantity: 4 Pieces Of H-beam Connecting Rods
• hp rating: Around 200hp/piece
• material: Steel
• placement on vehicle: Left, Right, Front, Rear
• california prop 65 warning: California Prop 65 Warning
• type: Connecting Rod Set
• ipn: D16a1 D16a3 D16a6 D16y7 D16y8 D16z
• pin end with: 18.2mm
• notice: This Is Aftermarket Replcement Part
• note: Instruction Included
• weight tolerance: Balanced To / 1 Gram In Set
• pin diameter: 19mm
• surface finish: Brand New
• please note: Need Notch The Block When Fit To D16y7 D16y8 D16z6
• center length: 137mm
• big end diameter: 48mm
• country of origin: China
• upc: 941477716824

payments pistonrinro:

• credit card: Visa
• other
• wallet: Google-pay

general pistonrinro:

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

offer pistonrinro:

• started: May 17, 2026
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home

returns pistonrinro:

• policy: No Returns

shipping pistonrinro:

• cost: $0.00
• transit: 4-11 Days
• type: Fixed
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard

seller pistonrinro:

• city: Brunswick, Georgia
• rating: 100.0%
• # reviews: 782

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