PAC Racing Springs

PAC Racing Springs 5/16 Valve Locks 7-Degree GM LS Steel — Standard Height Set of 16

PAC Racing Springs 5/16 Valve Locks 7-Degree GM LS Steel — Standard Height Set of 16
PAC Racing Springs 5/16 Valve Locks 7-Degree GM LS Steel — Standard Height Set of 16
PAC Racing Springs 5/16 Valve Locks 7-Degree GM LS Steel — Standard Height Set of 16
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PAC Racing Springs 5/16 Valve Locks 7-Degree GM LS Steel — Standard Height Set of 16PAC Racing Springs 5/16 Valve Locks 7-Degree GM LS Steel — Standard Height Set of 16PAC Racing Springs 5/16 Valve Locks 7-Degree GM LS Steel — Standard Height Set of 16
PAC Racing Springs

PAC Racing Springs 5/16 Valve Locks 7-Degree GM LS Steel — Standard Height Set of 16

SKU: DHDL_PAC-L8161-16
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About PAC Racing Springs PAC Racing Springs engineers high-quality automotive ...Read More

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$89.30
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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
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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.

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High-Performance Valve Locks for GM LS Engines

Upgrade your GM LS-series engine with the reliability of PAC Racing 5/16 7-degree steel valve locks. These locks are specifically engineered to provide a secure, precise fit for LS-series valve stems, ensuring that your valvetrain remains stable under the high-RPM conditions typical of performance LS builds. The standard height design maintains factory geometry while offering superior strength compared to stock components.

Why Choose PAC Racing LS Valve Locks?

  • LS-Series Optimized: Specifically sized for 5/16-inch LS valve stems.
  • 7-Degree Taper: Provides excellent retention and load distribution.
  • Steel Durability: Machined from high-strength steel for maximum resilience.
  • Black Oxide Finish: Resists corrosion and reduces friction.
  • Set of 16: Perfectly matched for a complete V8 engine upgrade.

Whether you are installing an aftermarket camshaft, upgrading to dual valve springs, or simply refreshing your cylinder heads, these valve locks are a critical component for engine longevity. Their high-quality construction ensures that your valve springs are held firmly in place, preventing the catastrophic failures often caused by inferior hardware. Trust your GM LS build to the proven performance of PAC Racing parts. Explore our full catalog of engine components at GGCRACING.

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.

Watch in action

High-Performance Valve Locks for GM LS Engines

Upgrade your GM LS-series engine with the reliability of PAC Racing 5/16 7-degree steel valve locks. These locks are specifically engineered to provide a secure, precise fit for LS-series valve stems, ensuring that your valvetrain remains stable under the high-RPM conditions typical of performance LS builds. The standard height design maintains factory geometry while offering superior strength compared to stock components.

Why Choose PAC Racing LS Valve Locks?

  • LS-Series Optimized: Specifically sized for 5/16-inch LS valve stems.
  • 7-Degree Taper: Provides excellent retention and load distribution.
  • Steel Durability: Machined from high-strength steel for maximum resilience.
  • Black Oxide Finish: Resists corrosion and reduces friction.
  • Set of 16: Perfectly matched for a complete V8 engine upgrade.

Whether you are installing an aftermarket camshaft, upgrading to dual valve springs, or simply refreshing your cylinder heads, these valve locks are a critical component for engine longevity. Their high-quality construction ensures that your valve springs are held firmly in place, preventing the catastrophic failures often caused by inferior hardware. Trust your GM LS build to the proven performance of PAC Racing parts. Explore our full catalog of engine components at GGCRACING.

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.

Watch in action

High-Performance Valve Locks for GM LS Engines

Upgrade your GM LS-series engine with the reliability of PAC Racing 5/16 7-degree steel valve locks. These locks are specifically engineered to provide a secure, precise fit for LS-series valve stems, ensuring that your valvetrain remains stable under the high-RPM conditions typical of performance LS builds. The standard height design maintains factory geometry while offering superior strength compared to stock components.

Why Choose PAC Racing LS Valve Locks?

  • LS-Series Optimized: Specifically sized for 5/16-inch LS valve stems.
  • 7-Degree Taper: Provides excellent retention and load distribution.
  • Steel Durability: Machined from high-strength steel for maximum resilience.
  • Black Oxide Finish: Resists corrosion and reduces friction.
  • Set of 16: Perfectly matched for a complete V8 engine upgrade.

Whether you are installing an aftermarket camshaft, upgrading to dual valve springs, or simply refreshing your cylinder heads, these valve locks are a critical component for engine longevity. Their high-quality construction ensures that your valve springs are held firmly in place, preventing the catastrophic failures often caused by inferior hardware. Trust your GM LS build to the proven performance of PAC Racing parts. Explore our full catalog of engine components at GGCRACING.

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