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  • Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod
  • Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod
  • Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod
  • Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod
  • Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod
  • Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod
Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod

Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod

  • 20 - 39 Pieces
    $45
  • 40 - 59 Pieces
    $36
  • 60 - 119 Pieces
    $34
  • >= 120 Pieces
    $29
View product details

Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Engine Component: Designed to connect pistons to the crankshaft in Honda B20 engines, engineered to withstand extreme forces in high-revving environments.
  • Material Superiority: Forged 4340 chrome-molybdenum steel ensures lightweight strength, durability, and resistance to deformation under high-stress conditions.

Key features

  • 1. High-Strength Forged 4340 Steel Material

    • With forged 4340 steel construction, ensure unmatched durability and lightweight performance compared to cast steel alternatives*. The material’s corrosion resistance and high tensile strength make it ideal for high-revving engines.

  • 2. Optimized I-Beam Structural Design

    • With an engineered I-Beam profile, balance strength and weight reduction for peak power delivery in high-stress environments. The reinforced ends and streamlined center section outperform traditional designs in stress distribution*.

  • 3. High-RPM Performance Capability

    • With precision-tuned performance parameters, handle extreme RPMs and engine loads, surpassing standard connecting rods in racing and high-output scenarios*. The design minimizes flex for consistent power transmission.

  • 4. Racing-Grade Scenario Adaptability

    • Designed for high-performance applications like racing, this connecting rod ensures reliability under continuous high-stress conditions. Its tailored fit for Honda B20 engines optimizes compatibility with aggressive driving demands*.

  • 5. Precision-Machined Certification Standards

    • Built to automotive industry precision standards, guaranteeing seamless integration and minimal wear. The high-tolerance machining and protective coating meet rigorous durability benchmarks for professional engine builds*.

Product details

Custom I Beam High Tensile 4340 Steel Connecting Rod for Honda B18A B20A Forged Racing Conrod

The I Beam Forged 4340 Connecting Rod is engineered for Honda B20 series engines (B20A/B20B), combining high-strength 4340 forged steel with an optimized I-beam design. This component balances lightweight performance and durability, making it ideal for high-revving applications like racing or high-performance tuning.

Technical specifications

FeatureSpecificationApplication Scenario
Material4340 forged steelWithstands extreme stress in high-RPM engines
DesignReinforced I-beam profileReduces weight while maintaining rigidity
Size/FitBore size: 2.5" (customizable)Direct OEM replacement for Honda B20
Surface FinishPrecision-machined with corrosion coatingEnsures longevity in harsh engine environments
PerformanceTorsional strength: 120,000 psiSupports engines exceeding 9,000 RPM

Customization guide

Adjustable bore size and length to fit non-OEM engine builds. Optimize wall thickness for specific power outputs (e.g., +300HP applications).

Get inspired

With its 4340 steel core, this connecting rod enables stable operation in high-torque setups. The I-beam design reduces rotational inertia, improving throttle response for track or street use.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Torsional Strength120,000 psi+15% (138,000 psi)+30% (156,000 psi)*
Weight1.8 lbs-10% (1.62 lbs)-20% (1.44 lbs)
RPM Tolerance8,000 RPM8,500 RPM9,500 RPM
CompatibilityOEM Honda B20Non-OEM modified B20Custom engine builds

Supplier's note

  1. Technical Breakthroughs:

    • 4340 Forged Steel: Achieves 20% higher fatigue resistance than 4130 steel, critical for high-revving engines.
    • I-Beam Geometry: Reduces weight by 15% compared to traditional H-beam designs without sacrificing strength.
    • Corrosion Coating: Passes 500-hour salt-spray testing, outperforming industry-standard 200-hour benchmarks.

  2. Version Selection Guide:

    • Base Model: Ideal for daily drivers or light track use where OEM specifications suffice.
    • Advanced Model: Targets enthusiasts upgrading to forced induction (turbo/supercharged) systems up to 600HP.
    • Pro Model: Designed for professional racing teams requiring ultra-lightweight components and extreme RPM tolerance.

With the Pro version’s 9,500 RPM capability, users can safely push engines to their limits. Pair its low inertia with lightweight pistons to minimize parasitic losses, delivering faster acceleration and peak performance at redline.

Frequently asked questions

  • Which connecting rod model is best suited for high-revving Honda B20 engines?

  • How do I maintain the frothing nozzle of a high-performance connecting rod?

  • What are the advantages of 4340 steel over chromoly in connecting rods for racing engines?

  • Can the I Beam Forged 4340 Connecting Rod be customized for non-standard engine bore sizes?

  • Is the material of this connecting rod FDA-approved for automotive use?

  • How does the I-beam design improve performance in Honda B20 engines?

  • Does this connecting rod require engine block modifications for installation?

  • What makes the surface finish of this connecting rod suitable for high-stress environments?

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