PAC Racing Springs 300 Series Beehive Steel Valve Spring Retainers 7-Deg — Universal Fit

SKU: DHDL_PAC-R363-16
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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.

Optimized Beehive Spring Performance

Unlock the full potential of your beehive valve springs with the PAC Racing Springs 300 Series Steel Retainers. These 7-degree retainers are engineered to provide a lightweight yet incredibly durable interface for beehive-style springs, effectively reducing valvetrain mass. By lowering the reciprocating weight, these retainers allow for faster valve opening and closing, which is critical for maintaining power in the upper RPM range.

Key Technical Features

  • Series: PAC 300 Series
  • Angle: 7-Degree lock angle
  • Construction: Precision-machined Chromoly Steel
  • Application: Designed for Beehive valve springs
  • Step Diameter: 0.640-inch OD step
  • Quantity: Set of 16

The use of high-grade chromoly ensures that these retainers can withstand the intense heat and stress found in high-performance engines. Their compact design is specifically tailored for beehive springs, providing a secure fit that prevents spring wandering and ensures consistent valve timing. This upgrade is an essential step for any enthusiast looking to improve engine reliability and throttle response. When you choose PAC Racing, you are choosing industry-leading quality that stands up to the rigors of racing. Find these and other high-performance 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.

Optimized Beehive Spring Performance

Unlock the full potential of your beehive valve springs with the PAC Racing Springs 300 Series Steel Retainers. These 7-degree retainers are engineered to provide a lightweight yet incredibly durable interface for beehive-style springs, effectively reducing valvetrain mass. By lowering the reciprocating weight, these retainers allow for faster valve opening and closing, which is critical for maintaining power in the upper RPM range.

Key Technical Features

  • Series: PAC 300 Series
  • Angle: 7-Degree lock angle
  • Construction: Precision-machined Chromoly Steel
  • Application: Designed for Beehive valve springs
  • Step Diameter: 0.640-inch OD step
  • Quantity: Set of 16

The use of high-grade chromoly ensures that these retainers can withstand the intense heat and stress found in high-performance engines. Their compact design is specifically tailored for beehive springs, providing a secure fit that prevents spring wandering and ensures consistent valve timing. This upgrade is an essential step for any enthusiast looking to improve engine reliability and throttle response. When you choose PAC Racing, you are choosing industry-leading quality that stands up to the rigors of racing. Find these and other high-performance 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.

Optimized Beehive Spring Performance

Unlock the full potential of your beehive valve springs with the PAC Racing Springs 300 Series Steel Retainers. These 7-degree retainers are engineered to provide a lightweight yet incredibly durable interface for beehive-style springs, effectively reducing valvetrain mass. By lowering the reciprocating weight, these retainers allow for faster valve opening and closing, which is critical for maintaining power in the upper RPM range.

Key Technical Features

  • Series: PAC 300 Series
  • Angle: 7-Degree lock angle
  • Construction: Precision-machined Chromoly Steel
  • Application: Designed for Beehive valve springs
  • Step Diameter: 0.640-inch OD step
  • Quantity: Set of 16

The use of high-grade chromoly ensures that these retainers can withstand the intense heat and stress found in high-performance engines. Their compact design is specifically tailored for beehive springs, providing a secure fit that prevents spring wandering and ensures consistent valve timing. This upgrade is an essential step for any enthusiast looking to improve engine reliability and throttle response. When you choose PAC Racing, you are choosing industry-leading quality that stands up to the rigors of racing. Find these and other high-performance components at GGCRACING.

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