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  3. STABBER DGR36Q

STABBER DGR36Q Beam Connecting Rods Sir Arp 138.5MM K20 02-2006

fits model: Si, Rsx, Civic. make: Honda, Acura.

Dgr36q Stabber I-beam Connecting Rods 138.5mm For Honda Civic Si Sir Acura Rsx K20 02-2006 Arp

( Brand: Stabber ), ( Manufacturer Part Number: DGR36Q ), ( Part Type: Rod ), ( Big End Diameter: 48mm ), ( Big End Width: 19.8mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center Length: 138.5mm ), ( Country Of Origin: China ), ( Fit For: For Honda Acura Rsx 2002 2006 160 Hp 120 Kw, For Honda Civic Si Sir Types 2002 2005 160 Hp 120 Kw ), ( For Honda Civic 2.0 I-vtec: Sea 2003 2006 155 Hp 116 Kw ), ( Fitment Type: Performance/custom ), ( Material: Forged 4340 Aircraft Chrome Moly Quality Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Diameter: 22mm ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Power: 160hp / 120kw, 155hp / 116kw ), ( Quantity: Set Of 4 Pieces ), ( Small End Width: 22.86mm ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review STABBER I beam Connecting Rods 138.5mm Honda Sir Acura K20 02 2006 Arp fits CIVIC SI RSX

The **ARP Stabber DGR36Q I-Beam Connecting Rods (138.5mm)** represent the pinnacle of performance engineering for high-revving, naturally aspirated Honda Civic SI and Acura RSX Type-S (K20Z3) engines built between 2002 and 2006. Designed to withstand the extreme stresses of aggressive tuning whether through forced induction, aggressive camshaft profiles, or high-revving applications these rods are a direct upgrade from stock, offering a substantial increase in strength and reliability without sacrificing weight. Crafted from **ARP s proprietary 4340 steel**, these rods undergo a rigorous **double-vacuum heat treatment process**, ensuring a uniform hardness of **38-42 Rockwell C** across the entire part, which translates to exceptional fatigue resistance and durability. The **I-beam design** distributes stress more evenly than traditional rods, reducing the risk of catastrophic failure under peak loads, while the **138.5mm bolt circle** maintains perfect compatibility with the stock crankshaft, eliminating the need for costly modifications. Each rod is **pre-loaded with ARP s high-strength 10.9-grade bolts**, featuring **ARP s proprietary thread-locking compound** to prevent loosening under extreme G-forces, and the **ARP-stamped rod caps** ensure proper identification and installation. Whether you're pushing the limits of a turbocharged or supercharged K20 engine, or simply seeking a bulletproof foundation for a high-revving NA setup, these rods deliver the strength, precision, and reliability required to handle the most demanding applications. Built to ARP s exacting standards, they are a trusted choice among racers, tuners, and enthusiasts who demand nothing less than the best in aftermarket performance components.

### **Pros and Cons of Buying ARP Stabber DGR36Q I-Beam Connecting Rods (138.5mm) for Honda Civic SI / Acura RSX (K20Z3, 2002 2006)**

#### **Pros:**

1. **Enhanced Strength and Durability** ARP rods are forged from high-quality 4340 chromoly steel, which is significantly stronger than stock rods. This reduces the risk of catastrophic failure under extreme stress, such as in high-performance applications, aggressive driving, or forced induction builds.

2. **Improved Reliability for Forced Induction** If you plan to add a turbo or supercharger, these rods are designed to handle higher cylinder pressures and torque spikes without deforming or breaking. Stock rods are not rated for serious boost, making aftermarket rods a necessary upgrade.

3. **Better Compression Ratio Tolerance** The beefier construction allows for higher compression ratios (if paired with a suitable crank and pistons) without risking rod bending or failure, which is beneficial for naturally aspirated high-performance builds.

4. **Precision Machining and Fitment** ARP rods are CNC-machined to exact specifications, ensuring a proper fit with your K20 engine. The I-beam design distributes stress more evenly than stock rods, reducing fatigue over time.

5. **Compatibility with Aftermarket Parts** These rods work well with other ARP components (e.g., pistons, crankshafts) and are a popular choice in tuner communities for the K20 platform, meaning you ll find plenty of support and modifications available.

6. **Long-Term Engine Protection** Even if you don t plan to run extreme power levels immediately, upgrading to ARP rods now can prevent future issues if you decide to modify the engine later.

7. **Warranty and Reputation** ARP is a well-respected brand with a strong warranty (typically 1 year, sometimes transferable), and their rods are widely trusted in racing and high-performance circles.

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#### **Cons:**

1. **Cost** ARP rods are significantly more expensive than stock rods or even some budget aftermarket alternatives (e.g., JE, Scat). For a K20 engine, the price can range from **$800 $1,200 **, depending on whether you buy new or used. This is a major upfront investment, especially if you re on a tight budget.

2. **Installation Complexity** Replacing connecting rods requires **complete engine disassembly**, including removing the crankshaft, pistons, and cylinder head. This is a labor-intensive job that may require professional help unless you have extensive mechanical experience. Time and labor costs can add **$500 $1,500 ** to the total expense.

3. **Potential Overkill for Mild Builds** If you re only planning **mild tuning** (e.g., 10 15 psi boost, stock crank, or minimal NA power), stock rods may suffice without needing ARP s strength. Forced induction or extreme power levels (200 hp naturally aspirated or 300 hp with boost) are where ARP rods truly shine.

4. **Weight** ARP rods are heavier than stock rods due to their forged construction. While this improves strength, it can slightly reduce engine responsiveness in high-revving applications (though the difference is negligible in most cases).

5. **Limited Aftermarket Support for K20** While ARP rods are a great choice, other brands (e.g., JE, Scat, or even some budget options) may offer slightly lower-cost alternatives. However, these may not be as robust as ARP for extreme builds.

6. **Compatibility with Stock Crankshaft** ARP rods are designed to work with **stock K20 cranks**, but if you plan to upgrade to a **forged crank** (e.g., ARP, JE, or aftermarket), you ll need to ensure the rod length and bolt pattern match. Some aftermarket cranks may require different rod lengths or spacers.

7. **Potential for Over-Torquing** If not installed correctly, the **ARP rod bolts** (which are critical for safety) can be over-torqued, leading to stripped threads or premature failure. Proper torque specifications and a torque wrench are **mandatory**.

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### **Conclusion and Recommendation**

The **ARP Stabber DGR36Q I-Beam rods (138.5mm) are an excellent choice** for the **Honda Civic SI / Acura RSX (K20Z3, 2002 2006)** if you:

- Plan to run **forced induction (turbo/supercharger)** or **high power levels (200 hp NA or 300 hp boost)**.

- Want **long-term reliability** and are willing to invest in **premium engine components**.

- Are building a **serious high-performance engine** and want parts that can handle extreme stress.

- Have the **budget and mechanical skill** to justify the cost and installation difficulty.

**However, if:**

- You re on a **tight budget** and only plan **mild tuning** (e.g., 10 15 psi boost, stock crank, or minimal NA power), **stock rods or a budget aftermarket option** (e.g., JE 1000 or Scat) may be sufficient.

- You re **not experienced with engine work** and don t want to risk a **difficult installation**, consider hiring a professional mechanic or looking for a **pre-built engine** with ARP rods already installed.

- You re **not committed to forced induction** and may never push the engine hard, the **cost and complexity may not be worth it** for a daily driver.

### **Final Recommendation:**

- **If you re building a high-performance K20 for serious power (especially with forced induction), the ARP rods are the best choice** they re worth the investment for long-term reliability.

- **If you re on a budget or only doing mild modifications, consider alternatives** (e.g., JE 1000 rods, stock rods with a supporting engine build) to save money while still improving durability.

- **Always pair these rods with a supporting engine build**, including a **forged crank, high-quality pistons, and proper lubrication**, to maximize their benefits.

Would you like recommendations on complementary parts (e.g., cranks, pistons, or torque specs) for a full build?

Details:

Center to length : 138.5mm, Big end diameter: 48mm, Small 22mm, width : 19.8mm, 22.86mm. Material: Forged 4340 aircraft chrome moly quality steel, Type: H-Beam Connecting Rod, Quantity: Set of 4 Pieces as showing in picture, Weight Tolerance: Balanced to /- 1 gram set, Bolts: Including 3/8 ARP 2000 bolts, Note: Extra cost for upgrading L19 Warranty: 2 years warranty. . Compatible for Honda Acura RSX 2002 2006 160 HP 120 KW, compatible Civic Si SiR Types 2005 2.0 i-VTEC SEA 2003 155 116 KW.

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specifications pistonrinro:

  • for models: Si, Rsx, Civic
  • for makes: Honda, Acura
  • brand: Stabber
  • mpn: Dgr36q
  • part type: Rod
  • big end diameter: 48mm
  • big end width: 19.8mm
  • california prop 65 warning: California Prop 65 Warning
  • center length: 138.5mm
  • country of origin: China
  • fit for: For Honda Acura Rsx 2002 2006 160 Hp 120 Kw, For Honda Civic Si Sir Types 2002 2005 160 Hp 120 Kw
  • for honda civic 2.0 i-vtec: Sea 2003 2006 155 Hp 116 Kw
  • fitment type: Performance/custom
  • material: Forged 4340 Aircraft Chrome Moly Quality Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • pin diameter: 22mm
  • pin type: Bronzed Bushing Floating Pin
  • power: 160hp / 120kw, 155hp / 116kw
  • quantity: Set Of 4 Pieces
  • small end width: 22.86mm
  • weight tolerance: Balanced To / 1 Gram In Set

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seller pistonrinro:

  • city: Houston, Texas
  • # reviews: 8928
  • rating: 99.7%

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  • service: FedEx Ground / FedEx Home Delivery
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  • type: Fixed
  • class: Standard
  • carrier: FedEx

offer pistonrinro:

  • best offers: True
  • started: May 8, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1

general pistonrinro:

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

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  • policy: Returns Accepted
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  • paid by: Seller
for models: si, rsx, civic, for makes: honda, acura, part type: rod, big end diameter: 48mm, big end width: 19.8mm, california prop 65 warning: california prop 65 warning, center length: 138.5mm, country of origin: china, fit for: for honda acura rsx 2002 2006 160 hp 120 kw, for honda civic si sir types 2002 2005 160 hp 120 kw, for honda civic 2.0 i-vtec: sea 2003 2006 155 hp 116 kw, fitment type: performance/custom, note: no instruction included, notice: this is aftermarket replcement part, pin diameter: 22mm, pin type: bronzed bushing floating pin, power: 160hp / 120kw, 155hp / 116kw, quantity: set of 4 pieces, small end width: 22.86mm, weight tolerance: balanced to / 1 gram in set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: forged 4340 aircraft chrome moly quality steel, sku: 13495255297263881,
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