Chevrolet Performance Valve Stem Seal Kit — 5/16 Stem 0.500 Guide 8pk

SKU: FMQX_12482062
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Prevent Oil Consumption with Premium Valve Stem SealsKeep your engine ...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

Prevent Oil Consumption with Premium Valve Stem Seals

Keep your engine running clean and efficient with this Chevrolet Performance Valve Stem Seal Kit. These positive-stop seals are designed to prevent oil from leaking past the valve guide and into the combustion chamber, a common cause of blue smoke and increased oil consumption. Engineered for 5/16-inch valve stems and 0.500-inch guides, these seals provide a tight, reliable fit that holds up under high temperatures and varying engine pressures.

Product Specifications

  • Type: Positive Stop Valve Stem Seal
  • Valve Stem Diameter: 5/16 inch
  • Guide Diameter: 0.500 inch
  • Material: High-temperature resistant rubber
  • Quantity: 8-pack (ideal for cylinder head service)
  • Application: Performance and stock cylinder heads

Worn valve stem seals can lead to carbon buildup on valves and pistons, which negatively impacts engine performance and longevity. Replacing your seals during a cylinder head refresh or valve job is a critical step in maintaining engine health. These genuine Chevrolet Performance seals are built to OEM standards, ensuring excellent sealing performance and durability. Whether you are performing a simple head gasket repair or a complete top-end rebuild, these seals are an essential component for ensuring your engine stays oil-tight and efficient. For all your engine sealing and gasket requirements, rely on the quality parts available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Prevent Oil Consumption with Premium Valve Stem Seals

Keep your engine running clean and efficient with this Chevrolet Performance Valve Stem Seal Kit. These positive-stop seals are designed to prevent oil from leaking past the valve guide and into the combustion chamber, a common cause of blue smoke and increased oil consumption. Engineered for 5/16-inch valve stems and 0.500-inch guides, these seals provide a tight, reliable fit that holds up under high temperatures and varying engine pressures.

Product Specifications

  • Type: Positive Stop Valve Stem Seal
  • Valve Stem Diameter: 5/16 inch
  • Guide Diameter: 0.500 inch
  • Material: High-temperature resistant rubber
  • Quantity: 8-pack (ideal for cylinder head service)
  • Application: Performance and stock cylinder heads

Worn valve stem seals can lead to carbon buildup on valves and pistons, which negatively impacts engine performance and longevity. Replacing your seals during a cylinder head refresh or valve job is a critical step in maintaining engine health. These genuine Chevrolet Performance seals are built to OEM standards, ensuring excellent sealing performance and durability. Whether you are performing a simple head gasket repair or a complete top-end rebuild, these seals are an essential component for ensuring your engine stays oil-tight and efficient. For all your engine sealing and gasket requirements, rely on the quality parts available at GGCRACING.

Product Details

Product Description

Prevent Oil Consumption with Premium Valve Stem Seals

Keep your engine running clean and efficient with this Chevrolet Performance Valve Stem Seal Kit. These positive-stop seals are designed to prevent oil from leaking past the valve guide and into the combustion chamber, a common cause of blue smoke and increased oil consumption. Engineered for 5/16-inch valve stems and 0.500-inch guides, these seals provide a tight, reliable fit that holds up under high temperatures and varying engine pressures.

Product Specifications

  • Type: Positive Stop Valve Stem Seal
  • Valve Stem Diameter: 5/16 inch
  • Guide Diameter: 0.500 inch
  • Material: High-temperature resistant rubber
  • Quantity: 8-pack (ideal for cylinder head service)
  • Application: Performance and stock cylinder heads

Worn valve stem seals can lead to carbon buildup on valves and pistons, which negatively impacts engine performance and longevity. Replacing your seals during a cylinder head refresh or valve job is a critical step in maintaining engine health. These genuine Chevrolet Performance seals are built to OEM standards, ensuring excellent sealing performance and durability. Whether you are performing a simple head gasket repair or a complete top-end rebuild, these seals are an essential component for ensuring your engine stays oil-tight and efficient. For all your engine sealing and gasket requirements, rely on the quality parts available at GGCRACING.

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