1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 13229589379472782
  3. MAXPEEDINGRODS F4TGQ6

MAXPEEDINGRODS F4TGQ6 Beam Connecting Rods Ls Arp 1.8L B20B 137MM

fits model: B18a1, Gs, Rs. make: Acura, Honda.

F4tgq6 Maxpeedingrods H-beam Connecting Rods For Acura Honda Rs Ls Gs 1.8l B18a B18a1 B20b Arp 137mm

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: F4TGQ6 ), ( Big End Diameter: 48mm/1.890 ), ( Big End With: 23.75mm/0.935 ), ( 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: 21mm/0.827 ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 4 Pieces ), ( Surface Finish: Brand New ), ( Type: Connecting Rods ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS H beam Connecting Rods Acura Honda Ls 1.8l B18a Arp 137mm fits B18A1 GS RS

The **Maxpeedingrods F4TGQ6 H-Beam Connecting Rods** represent a cutting-edge upgrade for the high-performance enthusiast seeking to maximize power, durability, and reliability in their **Acura Integra (B18A, B18A1), Honda Civic (B18B), or Acura RSX (B20B)** equipped with the legendary **1.8L LS-series engine**. Designed with precision engineering and forged from **high-strength 4340 chrome-molybdenum steel**, these **137mm ARP-bolted H-beam rods** are meticulously crafted to withstand the extreme stresses of forced induction, high RPM, and aggressive tuning far exceeding the stock rod s limitations. The **H-beam design** ensures superior strength-to-weight ratio, reducing reciprocating mass while maintaining exceptional rigidity, which translates to improved valve spring performance, reduced piston slap, and enhanced overall engine efficiency. Each rod undergoes **heat treatment and shot peening** to eliminate internal stresses, ensuring a smooth, fatigue-resistant structure capable of handling **1,000 HP** with confidence. The **ARP 137mm bolts** (included) are precision-machined from **A295 high-strength steel**, featuring **100% thread roll and shot peen finishing** for maximum clamp load and bolt stretch resistance, eliminating the risk of bolt failure under extreme loads. These rods are **fully compatible** with stock crankshafts, pistons, and rod bearings (though high-performance bearings are strongly recommended for optimal performance), making them an ideal choice for both **stock displacement builds** and **stroker applications**. Whether you're pushing a **turbocharged, nitrous-assisted, or supercharged** engine to its limits or simply looking to future-proof your LS-based powerplant, the **Maxpeedingrods F4TGQ6 rods** deliver the strength, precision, and reliability needed to turn raw horsepower into real-world performance. Built to **OEM and beyond** standards, these rods are a **must-have component** for any serious tuner aiming to unlock the full potential of their 1.8L LS engine.

### **Pros and Cons of Maxpeedingrods F4TGQ6 H-Beam Connecting Rods for 1.8L LS/GS Engines (B18A, B18A1, B20B)**

#### **Pros**

1. **Strength and Durability** H-beam design provides superior strength compared to traditional I-beam rods, reducing the risk of catastrophic failure under high stress. These rods are forged from high-quality steel, making them ideal for forced induction builds or aggressive tuning.

2. **Compatibility with ARP 137mm Main Studs** The kit is explicitly designed to work with ARP 137mm main studs, ensuring proper alignment and load distribution. This combination is a popular choice for high-performance builds, as it maximizes crankshaft support.

3. **Improved Power Output** By reducing rod deflection under high RPM and torque, these rods help maintain better piston-to-crankshaft kinematics, allowing for improved power delivery, especially in turbocharged or supercharged applications.

4. **Lightweight Construction** While still strong, H-beam rods are generally lighter than traditional designs, which can help reduce reciprocating mass, improving engine efficiency and responsiveness.

5. **Aftermarket Support and Tuning Potential** Maxpeedingrods is a reputable manufacturer with a strong reputation in the performance tuning community. These rods are often used in builds with aggressive camshafts, high compression ratios, and forced induction, making them a solid choice for serious tuners.

6. **Reduced Oil Consumption Concerns** Properly fitted rods with correct gasket and oil control measures can help minimize oil consumption issues that sometimes arise with stock rods under heavy loads.

7. **Long-Term Reliability** Forged rods are less prone to fatigue failure compared to cast rods, making them a better investment for high-mileage or heavily modified engines.

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#### **Cons**

1. **Cost** High-quality forged H-beam rods are significantly more expensive than stock or aftermarket I-beam rods. The Maxpeedingrods kit is a premium product, which may not be justified for mild street builds or low-budget projects.

2. **Installation Complexity** Replacing connecting rods requires significant mechanical skill, precision, and specialized tools. If not installed correctly, there is a risk of damage to the engine or improper rod alignment, which could lead to premature failure.

3. **Limited Stock Compatibility** These rods are not drop-in replacements for stock rods. They require machining to match the crankshaft journals and rod bolt patterns, which may involve additional costs for custom machining or rod bearing adjustments.

4. **Potential for Overkill on Mild Builds** If the engine is only being modified for mild power gains (e.g., mild turbo, stock camshafts, or minimal compression), the benefits of H-beam rods may not be fully realized. In such cases, a more budget-friendly rod upgrade (e.g., ARP or JE rods) might suffice.

5. **Maintenance and Inspection Requirements** Forged rods still require regular inspection for cracks, wear, or improper torque. High-performance builds often demand more frequent maintenance checks to ensure longevity.

6. **Potential for Rod Bolt Issues** While the rods are designed to work with ARP 137mm studs, the rod bolts themselves must also be high-quality (e.g., ARP or similar) to prevent failure. Using subpar bolts could negate the benefits of the rods.

7. **Warranty and Return Limitations** Aftermarket rod kits often come with limited warranties, and once installed, they may not be returnable. This adds risk if there are fitment or quality issues post-installation.

---

### **Conclusion**

The **Maxpeedingrods F4TGQ6 H-beam connecting rods** are an excellent choice for **high-performance builds** on the 1.8L LS/GS engine platform, particularly when paired with forced induction, aggressive camshafts, or high compression ratios. Their superior strength, compatibility with ARP 137mm studs, and ability to handle extreme stress make them a top-tier upgrade for serious tuners.

However, they are **not necessary** for mild modifications or stock-oriented builds. The high cost, installation complexity, and need for custom machining may not justify the upgrade for casual or low-power applications.

If your goal is **maximum reliability and power potential**, these rods are a **strong recommendation**, provided you are prepared for the associated costs and installation challenges. For **budget-conscious or mild builds**, consider alternative rod upgrades (e.g., ARP I-beam rods or JE rods) that offer a better balance of performance and affordability.

### **Final Recommendation**

- **For turbocharged, supercharged, or high-RPM builds (300 HP ):** **Strongly recommend** Maxpeedingrods F4TGQ6 rods with ARP 137mm studs. This combination is one of the best available for the 1.8L LS/GS platform.

- **For mild builds (under 250 HP, stock or mild turbo):** Consider a more cost-effective rod upgrade (e.g., ARP I-beam rods) unless you prioritize long-term durability and extreme power potential.

- **For DIY installers:** Ensure you have the necessary skills, tools, and patience for a precise installation. If unsure, consult a reputable engine builder.

Details:

Bores finished to: /- .005mm or .0002. Our representatives will provide you with detailed instructions on how to proceed. One Year Unlimited Mileage Quality Guarantee. Boxes, APO/FPO addresses, or Military Mail Boxes.

H-Beam Design: helps improve stiffness, reduce stress risers and weight. M A H-Beam Connecting Rods For ACURA HONDA RS LS GS 1.8L B18A B18A1 B20B ARP 137mm. High Precision Control: Balanced within: /- 1 gram per rod. Horsepower Rating: Advertised horsepower rating: 600HP-800HP.

part #: f4tgq6 prices

  • $324.59-$379.90

specifications pistonrinro:

  • for models: B18a1, Gs, Rs
  • for makes: Acura, Honda
  • brand: Maxpeedingrods
  • mpn: F4tgq6
  • big end diameter: 48mm/1.890
  • big end with: 23.75mm/0.935
  • 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: 21mm/0.827
  • pin type: Bronzed Bushing Floating Pin
  • quantity: 4 Pieces
  • surface finish: Brand New
  • type: Connecting Rods
  • weight tolerance: Balanced To / 1 Gram In Set

seller pistonrinro:

  • city: Dayton, New Jersey
  • rating: 99.5%
  • # reviews: 38959

payments pistonrinro:

  • wallet: Google-pay
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  • credit card: Visa

offer pistonrinro:

  • options: Ship-to-home
  • sold: 0
  • quantity: 10
  • best offers: True
  • availability: In Stock
  • started: April 15, 2026

returns pistonrinro:

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

general pistonrinro:

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

shipping pistonrinro:

  • transit: 2-5 Days
  • service: Standard
  • cost: $0.00
  • class: Standard
  • type: Fixed
for models: b18a1, gs, rs, for makes: acura, honda, big end diameter: 48mm/1.890, big end with: 23.75mm/0.935, california prop 65 warning: california prop 65 warning, center length: 137mm/5.394, manufacturer warranty: 2 years, note: no instruction included, notice: this is aftermarket replcement part, pin diameter: 21mm/0.827, pin type: bronzed bushing floating pin, quantity: 4 pieces, surface finish: brand new, type: connecting rods, weight tolerance: balanced to / 1 gram in set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: steel, sku: 13229589379472782,
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