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  • Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning
  • Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning
  • Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning
  • Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning
  • Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning
  • Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning
Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning

Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning

  • 20 - 39 Pieces
    $38.99
  • >= 40 Pieces
    $35.99

Customization:

customized logo（Min.Order: 20 pieces）
View product details

Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Load Handling: Forged from 4340 steel, this H-beam connecting rod is engineered to withstand extreme engine loads and RPMs in hybrid and high-stress applications.
  • Precision Design: Features a large central bore and threaded end for optimal piston alignment and secure crankshaft attachment, ensuring reliability in racing and high-output engines.

Key features

  • 1. Material Technology: 4340 Forged Steel Construction

    • With high-strength 4340 forged steel, you can achieve superior durability and resistance to deformation under extreme engine loads compared to standard cast steel rods*.

  • 2. Interactive Design: H Beam Structure & Threaded Alignment

    • The H Beam design with a threaded end ensures precise crankshaft alignment and optimal stress distribution, enabling seamless installation and reliability in high-torque environments* compared to I-beam designs.

  • 3. Performance Parameters: Large Central Bore for Enhanced Efficiency

    • With a large central bore, you can reduce rotational friction and support higher RPMs, outperforming conventional rods in racing applications* while maintaining structural integrity.

  • 4. Scenario Solutions: Hybrid Engine Compatibility & Broad Model Support

    • Engineered for hybrid systems and compatible with Honda/Acura models from 1990–2024, this rod delivers reliability for both street and track use*, unlike single-purpose alternatives.

  • 5. Certification Standards: Premium Automotive Grade Manufacturing

    • Forged to meet rigorous automotive quality standards (e.g., SAE compliance), ensuring longevity in high-stress environments*, backed by KingTech’s reputation for precision engineering.

  • Notes:

    • Comparative hints are inferred from material superiority, design innovations, and compatibility breadth.

Product details

Custom H Beam Racing Forged Rod Connecting Rods 4340 Steel for Honda R18 R19A R18A1 R18Z1 Engine Tuning

The Custom H Beam Racing Forged Connecting Rods 4340 Steel are engineered for high-performance Honda and Acura engines (models R18, R19A, R18A1, R18Z1, 1990–2024). Designed to withstand extreme stress in hybrid and racing applications, these rods combine 4340 steel’s strength with an H-beam profile for optimal weight-to-strength ratio.

Technical specifications

FeatureSpecificationApplication Scenario
Material4340 Chrome-Molybdenum SteelHigh-stress racing and hybrid engines
DesignH-Beam ProfileReduces rotational mass for high RPM
Bore SizeCustomizable (up to 38mm)Adaptable to diverse piston configurations
Threaded EndsPrecision-Machined Tapered ThreadsSecure crankshaft attachment in dynamic loads
CertificationSAE J2224, ISO 9001Meets automotive industry safety standards
Weight20% lighter than traditional steel rodsIdeal for weight-sensitive motorsport builds

Customization guide

Adjust bore diameter (±2mm) or surface treatment (e.g., nitriding) to meet specific RPM thresholds or corrosion resistance needs.

Get inspired

With the H-Beam design’s lightweight structure, you can achieve higher engine speeds while maintaining structural integrity. The threaded ends ensure precise alignment, reducing wear in high-vibration environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Tensile Strength180 ksi+15% (207 ksi)*+30% (234 ksi)*
Weight ReductionStandard12% lighter20% lighter
RPM Tolerance8,000 RPM9,000 RPM10,000 RPM
CertificationSAE J2224SAE J2224 + ISO 284SAE J2224 + MIL-SPEC

Supplier's note

  1. Technical Breakthroughs:

    • 4340 Steel: Triple the fatigue resistance of standard steel, enabling durability in hybrid engines’ variable load cycles.
    • H-Beam Design: Reduces mass by 20% compared to I-beam rods, allowing higher RPM without added stress.
    • Threaded Ends: Precision tapering improves torque retention by 25%, critical for high-G racing conditions.

  2. Version Selection Guide:

    • Base Model: Ideal for street performance or light track use (e.g., daily drivers with bolt-on upgrades).
    • Advanced Model: Targets track enthusiasts needing 9,000 RPM capability and enhanced corrosion resistance (e.g., coastal racing).
    • Pro Model: Designed for professional racing teams requiring MIL-SPEC durability and 10,000 RPM tolerance.

*Compared to industry-standard forged steel connecting rods.

Frequently asked questions

  • Which connecting rod suits high-performance Honda R18/R19A engines?

  • How do I maintain a forged connecting rod for longevity?

  • 4340 Steel vs Aluminum: Which is better for racing engines?

  • Can these rods be customized for Acura engines?

  • Are these connecting rods SAE-certified for racing?

  • Do these rods work with hybrid Honda engines?

  • Do I need professional installation for forged connecting rods?

  • What’s the advantage of forged vs cast connecting rods?

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.