Chevrolet Performance Exhaust Valve Stem Seal 5/16 in — Fits Performance Engines

SKU: FMQX_12564852
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Superior Oil Control with Positive Stop Valve SealsMaintain peak 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

Superior Oil Control with Positive Stop Valve Seals

Maintain peak engine performance and prevent unwanted oil consumption with the Chevrolet Performance Exhaust Valve Stem Seal. These positive-stop seals are designed to provide a precise, reliable barrier against oil entering the combustion chamber through the valve guides. Featuring a high-quality Viton construction with a steel body, these seals are engineered to withstand the extreme temperatures and high-frequency movement found in performance cylinder heads.

Technical Specifications

  • Seal Type: Positive Stop
  • Valve Stem Diameter: 5/16 in
  • Outside Diameter: 0.630 in
  • Material: Steel Body with Viton Seal
  • Quantity: 1 Pack

Oil control is paramount in any high-performance engine build. Worn or inferior valve seals can lead to smoking, carbon buildup on valves, and reduced power output. These Chevrolet Performance seals ensure that your valvetrain remains properly lubricated while keeping oil exactly where it belongs. The Viton material offers superior resistance to heat and chemical degradation compared to standard rubber seals, making them an ideal choice for both street and track applications. Whether you are rebuilding a stock engine or assembling a high-compression performance head, trust in the reliability of genuine GM sealing components. Find these and other essential engine gaskets at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Superior Oil Control with Positive Stop Valve Seals

Maintain peak engine performance and prevent unwanted oil consumption with the Chevrolet Performance Exhaust Valve Stem Seal. These positive-stop seals are designed to provide a precise, reliable barrier against oil entering the combustion chamber through the valve guides. Featuring a high-quality Viton construction with a steel body, these seals are engineered to withstand the extreme temperatures and high-frequency movement found in performance cylinder heads.

Technical Specifications

  • Seal Type: Positive Stop
  • Valve Stem Diameter: 5/16 in
  • Outside Diameter: 0.630 in
  • Material: Steel Body with Viton Seal
  • Quantity: 1 Pack

Oil control is paramount in any high-performance engine build. Worn or inferior valve seals can lead to smoking, carbon buildup on valves, and reduced power output. These Chevrolet Performance seals ensure that your valvetrain remains properly lubricated while keeping oil exactly where it belongs. The Viton material offers superior resistance to heat and chemical degradation compared to standard rubber seals, making them an ideal choice for both street and track applications. Whether you are rebuilding a stock engine or assembling a high-compression performance head, trust in the reliability of genuine GM sealing components. Find these and other essential engine gaskets at GGCRACING.

Product Details

Product Description

Superior Oil Control with Positive Stop Valve Seals

Maintain peak engine performance and prevent unwanted oil consumption with the Chevrolet Performance Exhaust Valve Stem Seal. These positive-stop seals are designed to provide a precise, reliable barrier against oil entering the combustion chamber through the valve guides. Featuring a high-quality Viton construction with a steel body, these seals are engineered to withstand the extreme temperatures and high-frequency movement found in performance cylinder heads.

Technical Specifications

  • Seal Type: Positive Stop
  • Valve Stem Diameter: 5/16 in
  • Outside Diameter: 0.630 in
  • Material: Steel Body with Viton Seal
  • Quantity: 1 Pack

Oil control is paramount in any high-performance engine build. Worn or inferior valve seals can lead to smoking, carbon buildup on valves, and reduced power output. These Chevrolet Performance seals ensure that your valvetrain remains properly lubricated while keeping oil exactly where it belongs. The Viton material offers superior resistance to heat and chemical degradation compared to standard rubber seals, making them an ideal choice for both street and track applications. Whether you are rebuilding a stock engine or assembling a high-compression performance head, trust in the reliability of genuine GM sealing components. Find these and other essential engine gaskets at GGCRACING.

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