PAC Racing Springs 1.035 Steel Chromoly 7 Degree Valve Spring Retainers — Fits GM LS-Series

SKU: DHDL_PAC-R311-16
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About PAC Racing Springs PAC Racing Springs engineers high-quality automotive ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About PAC Racing Springs

PAC Racing Springs engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PAC Racing Springs lineup with fast shipping and expert fitment support — order with confidence.

Precision Engineered Valvetrain Stability

Upgrade your GM LS-series engine with the PAC Racing Springs 1.035 Steel 7-Degree Valve Spring Retainers. Designed for high-performance applications, these 300 Series retainers provide the structural integrity required for high-RPM stability and valvetrain longevity. Crafted from premium chromoly steel, they offer superior resistance to deformation compared to stock components.

Key Features and Specifications

  • Material: High-strength 300 Series Chromoly Steel
  • Fitment: Optimized for GM LS-Series cylinder heads
  • Design: 7-Degree lock angle for secure spring seating
  • Compatibility: Engineered specifically for Beehive valve springs
  • Step Diameter: 0.640 inch OD step
  • Quantity: Complete set of 16 retainers

These retainers are essential for builders looking to maximize their LS engine's potential. The 7-degree design ensures a precise fit with compatible locks, preventing movement and ensuring consistent spring pressure throughout the entire RPM range. By reducing valvetrain mass and increasing durability, these retainers help prevent valve float and catastrophic failure during aggressive driving or track use. Whether you are building a street-strip machine or a dedicated race engine, PAC Racing components provide the reliability you demand. Trust GGCRACING for all your high-performance valvetrain needs.

Product Details

Product Description
Part Numbers
Sizing & Fit

About PAC Racing Springs

PAC Racing Springs engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PAC Racing Springs lineup with fast shipping and expert fitment support — order with confidence.

Precision Engineered Valvetrain Stability

Upgrade your GM LS-series engine with the PAC Racing Springs 1.035 Steel 7-Degree Valve Spring Retainers. Designed for high-performance applications, these 300 Series retainers provide the structural integrity required for high-RPM stability and valvetrain longevity. Crafted from premium chromoly steel, they offer superior resistance to deformation compared to stock components.

Key Features and Specifications

  • Material: High-strength 300 Series Chromoly Steel
  • Fitment: Optimized for GM LS-Series cylinder heads
  • Design: 7-Degree lock angle for secure spring seating
  • Compatibility: Engineered specifically for Beehive valve springs
  • Step Diameter: 0.640 inch OD step
  • Quantity: Complete set of 16 retainers

These retainers are essential for builders looking to maximize their LS engine's potential. The 7-degree design ensures a precise fit with compatible locks, preventing movement and ensuring consistent spring pressure throughout the entire RPM range. By reducing valvetrain mass and increasing durability, these retainers help prevent valve float and catastrophic failure during aggressive driving or track use. Whether you are building a street-strip machine or a dedicated race engine, PAC Racing components provide the reliability you demand. Trust GGCRACING for all your high-performance valvetrain needs.

Product Details

Product Description

About PAC Racing Springs

PAC Racing Springs engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PAC Racing Springs lineup with fast shipping and expert fitment support — order with confidence.

Precision Engineered Valvetrain Stability

Upgrade your GM LS-series engine with the PAC Racing Springs 1.035 Steel 7-Degree Valve Spring Retainers. Designed for high-performance applications, these 300 Series retainers provide the structural integrity required for high-RPM stability and valvetrain longevity. Crafted from premium chromoly steel, they offer superior resistance to deformation compared to stock components.

Key Features and Specifications

  • Material: High-strength 300 Series Chromoly Steel
  • Fitment: Optimized for GM LS-Series cylinder heads
  • Design: 7-Degree lock angle for secure spring seating
  • Compatibility: Engineered specifically for Beehive valve springs
  • Step Diameter: 0.640 inch OD step
  • Quantity: Complete set of 16 retainers

These retainers are essential for builders looking to maximize their LS engine's potential. The 7-degree design ensures a precise fit with compatible locks, preventing movement and ensuring consistent spring pressure throughout the entire RPM range. By reducing valvetrain mass and increasing durability, these retainers help prevent valve float and catastrophic failure during aggressive driving or track use. Whether you are building a street-strip machine or a dedicated race engine, PAC Racing components provide the reliability you demand. Trust GGCRACING for all your high-performance valvetrain needs.

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