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  • OEM SPK20-1 Transmission Synchronizer Spring for HONDA K20/EP3 RSX/ITR/CTR 6 Speed 1/2
  • OEM SPK20-1 Transmission Synchronizer Spring for HONDA K20/EP3 RSX/ITR/CTR 6 Speed 1/2
  • OEM SPK20-1 Transmission Synchronizer Spring for HONDA K20/EP3 RSX/ITR/CTR 6 Speed 1/2
  • OEM SPK20-1 Transmission Synchronizer Spring for HONDA K20/EP3 RSX/ITR/CTR 6 Speed 1/2
OEM SPK20-1 Transmission Synchronizer Spring for HONDA K20/EP3 RSX/ITR/CTR 6 Speed 1/2

OEM SPK20-1 Transmission Synchronizer Spring for HONDA K20/EP3 RSX/ITR/CTR 6 Speed 1/2

  • 100 - 299 Pieces
    $1.50
  • >= 300 Pieces
    $1

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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OEM SPK20-1 Transmission Synchronizer Spring for HONDA K20/EP3 RSX/ITR/CTR 6 Speed 1/2

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Transmission Synchronization: The OEM SPK20-1 synchronizer spring ensures smooth gear shifting by aligning gear speeds in Honda K20/EP3 RSX/ITR/CTR 6-speed transmissions.
  • Durability & Performance: Constructed from high-quality steel, it withstands repetitive mechanical stress, maintaining optimal transmission efficiency under heavy use.

Key features

  • 1. Corrosion-Resistant Steel Construction

    • With corrosion-resistant steel, ensure long-lasting durability in high-stress engine environments. This material outperforms non-stainless steel alternatives prone to rust and degradation over time.

  • 2. Precision-Engineered Design for OEM Fitment

    • With precision-engineered dimensions, achieve seamless gear synchronization tailored to Honda K20/EP3 transmissions. The spring’s exact specifications reduce shift effort and wear compared to aftermarket generic replacements.

  • 3. High-Tensile Steel for Enhanced Performance

    • With high-tensile steel construction, maintain consistent tension and responsiveness under high RPM and heavy load conditions. This improves gear engagement reliability versus standard steel springs.

  • 4. OEM-Certified for Honda-Specific Applications

    • With Honda OEM certification, meet rigorous automotive safety and quality standards. Designed explicitly for K20/EP3 models, ensuring compatibility with both daily driving and high-revving scenarios like racing.

  • 5. Versatile Scenario Solutions for Diverse Use Cases

    • With scenario-optimized engineering, handle both everyday driving and high-performance demands. The steel spring’s durability supports continuous operation in commercial or racing environments, unlike plastic-based alternatives.

Product details

OEM SPK20-1 Transmission Synchronizer Spring for HONDA K20/EP3 RSX/ITR/CTR 6 Speed 1/2

The OEM SPK20-1 Transmission Synchronizer Spring is a precision-engineered component designed for Honda K20/EP3 RSX/ITR/CTR vehicles with 6-speed transmissions. Crafted from high-quality steel, this spring ensures smooth gear engagement and reduces shift effort in high-performance applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCarbon steel (OEM-grade)Withstands high-temperature and friction in transmission systems
CompatibilityHonda K20/EP3 models (RSX/ITR/CTR)Direct fit for 6-speed transmissions
Load Capacity150 N (standard OEM specification)Ensures reliable gear synchronization under heavy load
DurabilityCorrosion-resistant finishProlongs service life in harsh mechanical environments

Customization guide

Adjustable parameters include spring tension and wire diameter to meet specialized needs for modified engines or racing applications.

Get inspired

Optimize your Honda’s transmission performance with a synchronizer spring engineered for precision. Whether you’re tuning for daily driving or high-performance racing, this component ensures seamless gear shifts and extended transmission longevity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Spring Tension150 N (OEM spec)+20% (180 N)+35% (202.5 N)*
Wire Thickness1.2 mm1.4 mm (reinforced)1.6 mm (premium)
Temperature Range-30°C to 150°C-40°C to 180°C-50°C to 200°C

Supplier's note

  1. Three Technical Breakthroughs:

    • Material Innovation: High-carbon steel ensures 30% greater fatigue resistance compared to standard springs.
    • Precision Engineering: CNC-formed coils guarantee ±0.05 mm tolerance for flawless gear synchronization.
    • OEM Compatibility: Direct-fit design eliminates installation gaps, reducing wear on transmission components.

  2. Optimal Version Selection:

    • Base Model: Ideal for daily drivers or stock engines needing OEM-standard reliability.
    • Advanced Model: Perfect for modified engines or track use, with enhanced load capacity and heat resistance.
    • Pro Model: Designed for extreme conditions (e.g., racing or heavy-duty towing), featuring a 20% wider temperature tolerance and double the corrosion resistance of industry benchmarks.

With the Pro Model’s 200°C heat tolerance, you can maintain performance in high-stress environments. Pair its reinforced wire thickness with Honda’s high-RPM engines to achieve seamless gear shifts under extreme loads.

Frequently asked questions

  • Which Honda models are compatible with the OEM SPK20-1 Transmission Synchronizer Spring?

  • What material is used in the OEM SPK20-1 Transmission Synchronizer Spring, and why is it durable?

  • How does the OEM SPK20-1 Spring improve gear shifting compared to aftermarket alternatives?

  • Can the SPK20-1 Spring be used for Honda Civic models?

  • What maintenance is required for the OEM SPK20-1 Transmission Spring?

  • Is the SPK20-1 Spring tested for high-performance applications?

  • Why choose OEM over aftermarket synchronizer springs for Honda K20 engines?

  • Does the OEM SPK20-1 Spring require professional installation?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHigh-stress engine componentsIndustry Standard: Standard steel (ASTM A36)
Our Base: High-carbon steel (ASTM A304)
Our Advanced: Chromium-vanadium steel (ASTM A228) ▲▲▲		Enhanced durability for heavy-duty applications
Resistance to wear ▲▲▲		Higher cost for advanced alloys ▲▲▲
Spring RateGear shifting efficiencyIndustry Standard: 200 N/mm (ISO 3079)
Our Base: 230 N/mm ▲
Our Advanced: 260 N/mm ▲▲▲ (Reduces shift effort by 30%)		Smoother gear engagement
Better performance in high-torque setups ▲▲▲		Overly stiff springs may require recalibration ▲▲▲
DurabilityLong-term engine operationIndustry Standard: 50,000 cycles (per ISO 9023)
Our Base: 75,000 cycles ▲
Our Advanced: 100,000 cycles ▲▲▲		Extended service life
Reduced replacement frequency ▲▲▲		Limited availability for non-OEM applications ▲▲▲
Noise LevelQuiet operation in daily drivingIndustry Standard: 45 dBA (similar to a quiet room)
Our Base: 40 dBA ▲
Our Advanced: 35 dBA ▲▲▲ (quieter than a whisper)		Minimizes transmission whine
Ideal for luxury or commuter vehicles ▲▲▲		Slight weight increase in advanced designs ▲▲▲
CompatibilityOEM-specific fitmentIndustry Standard: Generic fit (may require adjustment)
Our Base: OEM fit for Honda K20 ▲
Our Advanced: OEM+ with ±0.01mm tolerances ▲▲▲		Seamless installation
Zero clearance issues ▲▲▲		Limited to specific Honda models ▲▲▲
Temperature ResistanceExtreme climate conditionsIndustry Standard: -30°C to 120°C
Our Base: -40°C to 150°C ▲
Our Advanced: -50°C to 200°C ▲▲▲ (Withstands Arctic/Desert extremes)		Reliable in harsh environments
Prevents thermal deformation ▲▲▲		Requires specialized storage for advanced variants ▲▲▲

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