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  • Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods
  • Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods
  • Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods
  • Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods
  • Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods
  • Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods
Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods

Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods

$20.00-$60.00/ Piece|20 Piece/Pieces(Min. Order)
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Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Force Transfer & Motion Conversion: Designed to efficiently transfer piston force to the crankshaft, converting linear motion into rotational energy for Toyota 4EFTE engines.
  • Customizable High-Performance Component: Built with forged 4340 steel for exceptional strength and durability, adaptable to specific engine requirements through material and geometric adjustments.

Key features

  • 1. Forged 4340 Steel Material Technology

    • With forged 4340 steel, you can achieve 30% higher strength compared to traditional cast iron connecting rods*, ensuring durability under extreme engine stress and temperature fluctuations. This aerospace-grade alloy resists deformation, making it ideal for high-performance applications.

  • 2. Toyota 4EFTE-Specific Design

    • With a design tailored for Toyota 4EFTE engines, you can ensure precise fitment and compatibility with OEM specifications, avoiding the misalignment risks of generic aftermarket parts.

  • 3. Optimized Performance Parameters

    • With a lightweight yet rigid structure, you can sustain RPM levels up to 8,000—~25% higher than standard production rods*—while maintaining smooth power transfer and minimizing vibrations.

  • 4. Customizable Material Treatments

    • With heat-treated surfaces and customizable geometry options, you can adapt the rod to specific racing or tuning needs, such as increased stroke or forced induction setups, unlike non-modifiable stock components.

  • 5. Racing-Grade Durability & Reliability

    • With a polished, low-friction surface finish and stress-relieved forging process, you can reduce wear by 15–20% compared to uncoated rods*, extending engine longevity even under prolonged high-load conditions.

Product details

Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods

The Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods is a high-performance component engineered for durability and precision in internal combustion engines. Crafted from premium 4340 forged steel, it ensures optimal load distribution and resistance to thermal stress, making it ideal for racing and high-output applications.

Technical specifications

FeatureSpecificationApplication Scenario
Material4340 forged steelHigh-stress environments in racing engines
DesignRobust cylindrical shape with central boreForce transfer between piston and crankshaft
Surface FinishSmooth, polished finishReduces friction in high-temperature engines
CustomizationAdjustable geometry/material gradeTailored for engine rebuilds or performance upgrades

Customization guide

Adjustable parameters include material grade (e.g., 4340 vs. 8620 steel), rod geometry (stroke length, big-end bore), and surface treatments (nitriding, coating) to meet specific requirements like increased load capacity or thermal resistance.

Get inspired

With 4340 forged steel, you can achieve exceptional fatigue resistance for high-revving engines. Its polished finish ensures seamless operation in tight engine compartments. Whether you’re building a drag car or a track-ready engine, this connecting rod delivers unmatched reliability.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material Grade4340 forged steel4340 + vacuum heat treat4340 + aerospace-grade forging
Fatigue Resistance150,000 cycles+15% (172,500 cycles)+30% (195,000 cycles)*
Surface TreatmentPolishedNitridedDLC coating + polishing

Supplier's note

  1. Technical Breakthroughs:

    • Material Composition: 4340 steel provides 20% higher tensile strength than traditional 1045 steel.
    • Forging Process: Aerospace-grade forging (Pro Model) eliminates porosity, boosting fatigue life by 30%.
    • Surface Coatings: DLC (diamond-like carbon) reduces wear by 40% compared to uncoated rods.

  2. Version Selection Guide:

    • Base Model: Ideal for stock or lightly modified Toyota 4EFTE engines needing cost-effective upgrades.
    • Advanced Model: Suitable for mid-tier racing or daily-driven engines requiring enhanced durability.
    • Pro Model: Designed for extreme applications (e.g., drag racing, endurance events) where triple the industry-standard fatigue resistance ensures reliability under peak loads.

*Pro Model’s fatigue resistance exceeds SAE J429 Grade 8 specifications by 30%.

Frequently asked questions

  • Which Toyota models are compatible with the Forged 4340 Steel Racing Parts for Toyota 4EFTE Connecting Rods?

  • How does 4340 steel compare to cast iron for racing connecting rods?

  • Can the Toyota 4EFTE connecting rod be customized for engine modifications?

  • What maintenance is required for racing-grade connecting rods?

  • Is the 4340 steel in this connecting rod SAE-certified?

  • How does this connecting rod improve engine durability in high-revving applications?

  • Are there special installation requirements for the Toyota 4EFTE racing connecting rod?

  • What makes NLGROUP’s Toyota 4EFTE connecting rods superior to standard aftermarket parts?

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