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12_71895995-c31c-4df7-ae8d-54e448e18478 - Northline Parts

Fit For 4.8/5.3/6.0/LS1/LS2/LS3 Engines Professional Dual Valve Spring Kit

Alligator_819_x_200_px - Northline Parts

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$105.99
Sale price  $105.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Fit For 4.8/5.3/6.0/LS1/LS2/LS3 Engines Professional Dual Valve Spring Kit

Upgrade your engine's valvetrain with this professional-grade dual valve spring kit, designed to provide superior stability and performance for high-performance builds. This premium aftermarket kit ensures your engine can handle increased lift and higher RPMs, protecting your investment while maximizing power output. Whether you are performing a cam swap or a complete engine overhaul, this kit offers the reliability and durability needed for demanding street and strip applications.

Key Features & Benefits

  • High-quality aftermarket construction for enhanced durability
  • Dual spring design provides extra protection against valve float
  • Optimized for high-lift camshafts and high-performance applications
  • Precision engineered to meet or exceed industry standards
  • Includes necessary components for a comprehensive valvetrain upgrade

Compatible Models

  • 4.8L V8 Engines
  • 5.3L V8 Engines
  • 6.0L V8 Engines
  • LS1 Engines
  • LS2 Engines
  • LS3 Engines

Product Specifications

  • Part Type: Dual Valve Spring Kit
  • Condition: Brand New
  • Fitment Type: Direct Replacement
  • Material: High-strength spring steel

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket part designed to provide high-performance alternatives to original equipment manufacturer components.

How do I confirm compatibility?
Please review your engine's specific requirements and model number to ensure a proper fit. If you are unsure, consulting a professional mechanic or referring to your vehicle's service manual is recommended.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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