Percy's High Performance Seal-4-Good Exhaust Header Gaskets - GM LS1 - 1.90" Round Port

SKU: FMTB_66087
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Sale price$49.37
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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 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 High Performance Seal-4-Good Exhaust Header Gaskets for GM LS1

Superior Sealing for Your LS-Series Engine

Experience unparalleled sealing performance with Percy's Seal-4-Good Header Gaskets, specifically designed for GM LS1 engines. These gaskets are engineered to withstand the demands of high-performance LS-series applications, ensuring a leak-free exhaust system that maximizes power and efficiency. The advanced multi-layered aluminum construction provides exceptional durability and resistance to extreme temperatures and pressures common in performance engines.

Product Highlights:

  • Vehicle Fitment: GM LS-Series (LS1)
  • Port Dimensions: 1.900 inch Round Port
  • Construction: Multi-Layered Aluminum
  • Sealing Technology: Seal-4-Good for maximum reliability
  • Package: Sold as a pair

These gaskets feature a precise fit for LS1 exhaust manifolds or headers, simplifying installation and ensuring optimal performance. The Seal-4-Good design actively combats exhaust leaks, which can rob your engine of power and create unwanted noise. Whether you're upgrading your daily driver or building a dedicated race car, Percy's Seal-4-Good gaskets offer the reliability and performance you need. Enhance your engine's performance and longevity with these premium gaskets from 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 High Performance Seal-4-Good Exhaust Header Gaskets for GM LS1

Superior Sealing for Your LS-Series Engine

Experience unparalleled sealing performance with Percy's Seal-4-Good Header Gaskets, specifically designed for GM LS1 engines. These gaskets are engineered to withstand the demands of high-performance LS-series applications, ensuring a leak-free exhaust system that maximizes power and efficiency. The advanced multi-layered aluminum construction provides exceptional durability and resistance to extreme temperatures and pressures common in performance engines.

Product Highlights:

  • Vehicle Fitment: GM LS-Series (LS1)
  • Port Dimensions: 1.900 inch Round Port
  • Construction: Multi-Layered Aluminum
  • Sealing Technology: Seal-4-Good for maximum reliability
  • Package: Sold as a pair

These gaskets feature a precise fit for LS1 exhaust manifolds or headers, simplifying installation and ensuring optimal performance. The Seal-4-Good design actively combats exhaust leaks, which can rob your engine of power and create unwanted noise. Whether you're upgrading your daily driver or building a dedicated race car, Percy's Seal-4-Good gaskets offer the reliability and performance you need. Enhance your engine's performance and longevity with these premium gaskets from 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 High Performance Seal-4-Good Exhaust Header Gaskets for GM LS1

Superior Sealing for Your LS-Series Engine

Experience unparalleled sealing performance with Percy's Seal-4-Good Header Gaskets, specifically designed for GM LS1 engines. These gaskets are engineered to withstand the demands of high-performance LS-series applications, ensuring a leak-free exhaust system that maximizes power and efficiency. The advanced multi-layered aluminum construction provides exceptional durability and resistance to extreme temperatures and pressures common in performance engines.

Product Highlights:

  • Vehicle Fitment: GM LS-Series (LS1)
  • Port Dimensions: 1.900 inch Round Port
  • Construction: Multi-Layered Aluminum
  • Sealing Technology: Seal-4-Good for maximum reliability
  • Package: Sold as a pair

These gaskets feature a precise fit for LS1 exhaust manifolds or headers, simplifying installation and ensuring optimal performance. The Seal-4-Good design actively combats exhaust leaks, which can rob your engine of power and create unwanted noise. Whether you're upgrading your daily driver or building a dedicated race car, Percy's Seal-4-Good gaskets offer the reliability and performance you need. Enhance your engine's performance and longevity with these premium gaskets from GGCRACING.

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