MAXPEEDINGRODS XSLV4T Forged Beam Connecting Rods 4140 137MM

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: XSLV4T ), ( Big End Diameter: 48mm/1.890 ), ( Big End With: 22.8mm/0.898 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center Length: 137mm/5.394 ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Diameter: 19mm/0.748 ), ( Pin End With: 18.2mm/0.717 ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 4 Pieces Of H-beam Connecting Rods ), ( Surface Finish: Brand New ), ( Type: Connecting Rod Set ), ( Weight Tolerance: Balanced To / 1 Gram In Set ), ( Weight: 2.3kg )

Review MAXPEEDINGRODS Forged H beam Connecting Rods Honda Acura D16series 137mm fits CIVIC D16 CRX

The **MaxpeedingRods XSLV4T 4140 Forged H-Beam Connecting Rods** represent the pinnacle of performance engineering for Honda and Acura enthusiasts seeking to unlock the full potential of their D16 engine, particularly in the iconic Civic and CR-X models. Crafted from **high-strength 4140 chromoly steel**, these rods are not merely upgraded components they are meticulously forged to deliver an uncompromising blend of durability, rigidity, and weight savings, all while maintaining the structural integrity required for high-revving, high-stress applications. The **H-beam design** is a standout feature, offering superior torsional stiffness compared to traditional I-beam rods, which translates to reduced rod deflection under extreme loads, minimizing parasitic stress on the crankshaft and bearings. This design choice is particularly advantageous for engines running forced induction or aggressive camshaft profiles, where rod strength and stability are critical to preventing catastrophic failure.

Each rod in this set is **precision-machined to exacting tolerances**, ensuring a seamless fit within the D16 s stock rod bores while maintaining the **137mm (5.394-inch) rod length** required for optimal piston-to-wall clearance and combustion chamber geometry. The **forged construction** eliminates the inherent weaknesses of cast rods, such as porosity or inconsistent grain structure, providing a homogeneous material composition that resists fatigue and high-cycle stress far better than its cast counterparts. This is especially important for engines pushing beyond stock power levels, where the cumulative stress of thousands of revs can compromise weaker materials. The rods are **heat-treated to a precise hardness specification**, balancing tensile strength with ductility to prevent brittle failure while maintaining the resilience needed for high-performance applications.

Beyond their mechanical superiority, these rods are engineered with **performance-minded details** that enhance reliability and efficiency. The **optimized rod bolt pattern** ensures even load distribution across the rod caps, reducing the risk of bolt stretch or shear under peak torque conditions. Additionally, the **lightweight yet robust design** contributes to improved crankshaft harmonics, allowing for higher RPM stability and smoother operation critical for engines tuned for redline aggression. Whether installed in a naturally aspirated powerplant or a turbocharged beast, these rods provide the backbone needed to handle the demands of modern tuning, from mild bolt-ons to full-blown forced induction builds.

For the discerning builder, the **MaxpeedingRods XSLV4T rods** are more than just a replacement they are a **performance upgrade with a legacy**. Designed for engines that refuse to compromise, they bridge the gap between stock reliability and high-performance aspirations, ensuring that every revolution is met with confidence. Whether you're chasing horsepower, torque, or simply the thrill of pushing your engine to its limits, these rods deliver the strength, precision, and peace of mind required to turn your Civic or CR-X into a true performance machine. Built to endure the rigors of extreme tuning, they stand as a testament to the art of rod design, where form and function converge to create components that are as legendary as the engines they power.

### Pros and Cons of Buying Maxpeedingrods XSLV4T 4140 Forged H-Beam Connecting Rods for Honda/Acura Civic/CRX (D16Y8, 137mm)

1. **Strength and Durability** The rods are forged from 4140 chromoly steel, which is significantly stronger than cast rods. This material is commonly used in high-performance and racing applications, offering superior fatigue resistance and longevity, especially under high stress or forced induction.

2. **H-Beam Design** The H-beam cross-section provides better torsional rigidity compared to traditional I-beam rods. This design helps reduce rod deflection under high loads, improving overall engine reliability and performance, particularly under boost or high RPM conditions.

3. **Precision Machining** Maxpeedingrods rods are CNC-machined to tight tolerances, ensuring consistent fitment and performance. This precision minimizes stress concentrations that could lead to failure over time.

4. **Compatibility with Forced Induction** The D16 engine in the Civic/CRX is known for its potential to handle forced induction (turbo or supercharger) with proper upgrades. These rods are designed to handle the increased stress from boost, making them a smart choice for turbocharged builds.

5. **Lightweight Yet Strong** While forged rods are heavier than cast rods, the 4140 steel used here strikes a balance between strength and weight reduction compared to traditional cast components. This can contribute to better engine balance and reduced reciprocating mass.

6. **Aftermarket Support and Reputation** Maxpeedingrods is a well-regarded brand in the performance and racing community, known for high-quality, reliable components. Their rods are often used in serious builds, including drifting, racing, and high-RPM applications.

7. **Improved Reliability for High-RPM Applications** The Civic/CRX D16 engine is capable of spinning to very high RPMs (especially in turbocharged or naturally aspirated high-revving builds). Forged rods reduce the risk of catastrophic failure at extreme RPMs, which is a common concern with stock cast rods.

8. **Customization Options** Maxpeedingrods offers rods with various bolt patterns and lengths, and these rods are designed to work with other performance parts like pistons, crankshafts, and bearings, allowing for a fully customized engine build.

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1. **Cost** Forged rods are significantly more expensive than stock cast rods. The XSLV4T rods will likely cost several hundred dollars, which can be a substantial investment for a project or a build that may not necessarily require such high-end components. This may be a dealbreaker for budget-conscious builders.

2. **Installation Complexity** Installing forged rods requires careful attention to detail, including proper alignment, gasket sealing, and torque specifications. Improper installation can lead to issues like oil leaks or rod bearing problems. This may require professional help or additional time for the builder.

3. **Compatibility with Stock Components** While these rods are designed for the D16, some builds may still require additional upgrades to complement them, such as a stronger crankshaft, high-quality bearings, or a reinforced oil pump. Ignoring these can negate the benefits of the rods.

4. **Weight Increase** While not as heavy as some cast rods, forged rods are heavier than stock components. This added weight can slightly reduce engine responsiveness, especially in naturally aspirated builds where weight reduction is often prioritized.

5. **Potential Overkill for Mild Builds** If your build is relatively mild (e.g., stock or lightly modified naturally aspirated), the benefits of forged rods may not be fully realized. For such applications, a more budget-friendly upgrade (like aftermarket cast rods or reinforced stock rods) might suffice.

6. **Limited Availability of Parts** Forged rods are not as widely available as stock or aftermarket cast rods. This could make it harder to find replacements or additional information if issues arise, though Maxpeedingrods does offer customer support.

7. **Learning Curve** Building an engine with forged rods may involve learning new techniques or understanding more about engine assembly. This can be intimidating for first-time builders or those unfamiliar with high-performance engine work.

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Maxpeedingrods XSLV4T 4140 forged H-beam connecting rods are an excellent choice for serious performance builds, particularly those involving forced induction, high RPMs, or aggressive modifications to the Honda/Acura Civic/CRX D16 engine. Their strength, rigidity, and durability make them ideal for builds where reliability and longevity are critical. However, the high cost, installation complexity, and potential overkill for mild builds mean they may not be the best fit for every project.

If your goal is to push the D16 engine to its limits whether for drifting, racing, or high-boost applications these rods are a worthwhile investment. For more modest builds, a more budget-friendly option might be more practical. Always ensure that the rest of your engine components (crankshaft, bearings, pistons, etc.) are upgraded to complement the rods for optimal performance.

- **Buy these rods if:** You are building a turbocharged or high-performance D16 engine, plan to run high boost, or are targeting extreme RPMs. You are willing to invest in reliability and have the budget for high-end components.

- **Consider alternatives if:** Your build is mild (stock or lightly modified), you are on a tight budget, or you prefer a simpler upgrade path. In such cases, aftermarket cast rods or reinforced stock rods may be sufficient.

- **Pair with:** A stronger crankshaft, high-quality bearings, and a reinforced oil system to fully leverage the benefits of the forged rods. Consult with a trusted mechanic or performance specialist to ensure compatibility with your specific build goals.

Details:

Note Without bolts and logo. Specification, Type: Forged 5140 aircraft chrome Molly quality steel for racing, H-beam Conrad's Quantity: 4 Pieces as showing in picture, Bolts: without bolts 3/8, Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 21CM 15CM 12CM. Without bolts, 4. Material: Forged 4140 aircraft chrome Molly quality steel, 3.

T V PRODUCT TEST AND ISO 9001 CERTIFIED, 2.

part #: xslv4t prices

• $246.38-$269.98

specifications pistonrinro:

• for models: D16, Crx, Civic
• for makes: Honda, Acura
• brand: Maxpeedingrods
• mpn: Xslv4t
• big end diameter: 48mm/1.890
• big end with: 22.8mm/0.898
• california prop 65 warning: California Prop 65 Warning
• center length: 137mm/5.394
• manufacturer warranty: 2 Years
• material: Steel
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part
• pin diameter: 19mm/0.748
• pin end with: 18.2mm/0.717
• pin type: Bronzed Bushing Floating Pin
• quantity: 4 Pieces Of H-beam Connecting Rods
• surface finish: Brand New
• type: Connecting Rod Set
• weight tolerance: Balanced To / 1 Gram In Set
• weight: 2.3kg

returns pistonrinro:

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

general pistonrinro:

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

seller pistonrinro:

• rating: 100.0%
• city: Rowland height, California
• # reviews: 2

shipping pistonrinro:

• class: Standard
• service: Standard
• cost: $0.00
• type: Fixed
• transit: 5-11 Days

offer pistonrinro:

• quantity: 1
• availability: In Stock
• started: March 21, 2026
• sold: 0
• options: Ship-to-home

payments pistonrinro:

• credit card: Discover
• other
• wallet: Paypal

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