Percy's High Performance - Archived

Percy's Seal-4-Good Exhaust Header Gasket - BBC Round Port 1.875" — Fits Big Block Chevy

Percy's Seal-4-Good Exhaust Header Gasket - BBC Round Port 1.875" — Fits Big Block Chevy
Percy's Seal-4-Good Exhaust Header Gasket - BBC Round Port 1.875" — Fits Big Block Chevy
Percy's Seal-4-Good Exhaust Header Gasket - BBC Round Port 1.875" — Fits Big Block Chevy
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Percy's Seal-4-Good Exhaust Header Gasket - BBC Round Port 1.875" — Fits Big Block ChevyPercy's Seal-4-Good Exhaust Header Gasket - BBC Round Port 1.875" — Fits Big Block ChevyPercy's Seal-4-Good Exhaust Header Gasket - BBC Round Port 1.875" — Fits Big Block Chevy
Percy's High Performance - Archived

Percy's Seal-4-Good Exhaust Header Gasket - BBC Round Port 1.875" — Fits Big Block Chevy

SKU: FMTB_66019
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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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About Percy's High Performance - Archived

Percy's High Performance - Archived engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Percy's High Performance - Archived lineup with fast shipping and expert fitment support — order with confidence.

Percy's Seal-4-Good Exhaust Header Gaskets for Big Block Chevy (Round Port)

Maximize the performance and integrity of your Big Block Chevy engine with Percy's Seal-4-Good exhaust header gaskets. Engineered for round port cylinder heads, these gaskets provide a reliable and durable seal, essential for high-output V8 applications.

Key Features:

  • Application: Specifically designed for Big Block Chevy (BBC) engines featuring round port cylinder heads.
  • Port Size: Equipped with a 1.875-inch round port opening, ensuring compatibility with your headers and heads.
  • Construction: Manufactured using multi-layered aluminum, offering exceptional flexibility and resistance to extreme heat and vibration.
  • Seal-4-Good Technology: Percy's advanced sealing system ensures a consistent, leak-proof seal under demanding conditions, preserving engine efficiency.
  • Durability: Built to withstand the rigors of performance street driving and competitive racing environments.
  • Included: Supplied as a pair, providing the necessary gaskets for both sides of your engine.

Prevent exhaust leaks and maintain optimal engine performance with these high-quality header gaskets. Percy's Seal-4-Good gaskets are a trusted choice for engine builders and performance enthusiasts. Get yours today at GGCRACING!

Product Details

Product Description
Part Numbers
Sizing & Fit

About Percy's High Performance - Archived

Percy's High Performance - Archived engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Percy's High Performance - Archived lineup with fast shipping and expert fitment support — order with confidence.

Percy's Seal-4-Good Exhaust Header Gaskets for Big Block Chevy (Round Port)

Maximize the performance and integrity of your Big Block Chevy engine with Percy's Seal-4-Good exhaust header gaskets. Engineered for round port cylinder heads, these gaskets provide a reliable and durable seal, essential for high-output V8 applications.

Key Features:

  • Application: Specifically designed for Big Block Chevy (BBC) engines featuring round port cylinder heads.
  • Port Size: Equipped with a 1.875-inch round port opening, ensuring compatibility with your headers and heads.
  • Construction: Manufactured using multi-layered aluminum, offering exceptional flexibility and resistance to extreme heat and vibration.
  • Seal-4-Good Technology: Percy's advanced sealing system ensures a consistent, leak-proof seal under demanding conditions, preserving engine efficiency.
  • Durability: Built to withstand the rigors of performance street driving and competitive racing environments.
  • Included: Supplied as a pair, providing the necessary gaskets for both sides of your engine.

Prevent exhaust leaks and maintain optimal engine performance with these high-quality header gaskets. Percy's Seal-4-Good gaskets are a trusted choice for engine builders and performance enthusiasts. Get yours today at GGCRACING!

Product Details

Product Description

About Percy's High Performance - Archived

Percy's High Performance - Archived engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Percy's High Performance - Archived lineup with fast shipping and expert fitment support — order with confidence.

Percy's Seal-4-Good Exhaust Header Gaskets for Big Block Chevy (Round Port)

Maximize the performance and integrity of your Big Block Chevy engine with Percy's Seal-4-Good exhaust header gaskets. Engineered for round port cylinder heads, these gaskets provide a reliable and durable seal, essential for high-output V8 applications.

Key Features:

  • Application: Specifically designed for Big Block Chevy (BBC) engines featuring round port cylinder heads.
  • Port Size: Equipped with a 1.875-inch round port opening, ensuring compatibility with your headers and heads.
  • Construction: Manufactured using multi-layered aluminum, offering exceptional flexibility and resistance to extreme heat and vibration.
  • Seal-4-Good Technology: Percy's advanced sealing system ensures a consistent, leak-proof seal under demanding conditions, preserving engine efficiency.
  • Durability: Built to withstand the rigors of performance street driving and competitive racing environments.
  • Included: Supplied as a pair, providing the necessary gaskets for both sides of your engine.

Prevent exhaust leaks and maintain optimal engine performance with these high-quality header gaskets. Percy's Seal-4-Good gaskets are a trusted choice for engine builders and performance enthusiasts. Get yours today at GGCRACING!

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