Percy's High Performance Seal-4-Good Header Gaskets — Fits Ford 351C 4bbl / Boss 302

SKU: FMTB_66052
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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.

Watch in action

Precision Sealing for Ford 351C 4bbl & Boss 302 Headers

Unleash the full power of your Ford 351C 4bbl or Boss 302 engine with Percy's High Performance Seal-4-Good Header Gaskets. Specifically designed for these iconic Ford powerplants, these gaskets provide an uncompromising seal, crucial for preventing exhaust leaks that can compromise performance and create unwanted noise. Experience optimal exhaust flow and a true performance sound from your classic Ford.

Engineered for Ford Cleveland / Modified Engines

These premium header gaskets feature a robust multi-layered aluminum construction, offering superior resistance to the intense heat and pressure generated by high-performance engines. The precise 1.880 x 2.250 inch rectangle port dimensions are perfectly matched for Ford Cleveland and Modified applications, including the Boss 302. Their reusable design means you can remove and reinstall them multiple times without losing their sealing effectiveness, a significant advantage for engine builders and tuners.

  • Port Shape: Rectangle Port
  • Port Dimensions: 1.880 x 2.250 inches
  • Material: Multi-Layered Aluminum
  • Fitment: Ford 351 Cleveland 4-barrel, Ford Boss 302
  • Included: Pair of Gaskets

The Ultimate Gasket for Classic Ford Performance

Percy's Seal-4-Good gaskets are the go-to choice for enthusiasts restoring or upgrading their Ford 351C or Boss 302. Eliminate the frustration of recurring exhaust leaks and enjoy consistent, reliable performance. These gaskets ensure that your headers remain securely sealed, maximizing exhaust scavenging and contributing to a healthier, more powerful engine. For top-tier Ford performance parts, look no further than 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.

Watch in action

Precision Sealing for Ford 351C 4bbl & Boss 302 Headers

Unleash the full power of your Ford 351C 4bbl or Boss 302 engine with Percy's High Performance Seal-4-Good Header Gaskets. Specifically designed for these iconic Ford powerplants, these gaskets provide an uncompromising seal, crucial for preventing exhaust leaks that can compromise performance and create unwanted noise. Experience optimal exhaust flow and a true performance sound from your classic Ford.

Engineered for Ford Cleveland / Modified Engines

These premium header gaskets feature a robust multi-layered aluminum construction, offering superior resistance to the intense heat and pressure generated by high-performance engines. The precise 1.880 x 2.250 inch rectangle port dimensions are perfectly matched for Ford Cleveland and Modified applications, including the Boss 302. Their reusable design means you can remove and reinstall them multiple times without losing their sealing effectiveness, a significant advantage for engine builders and tuners.

  • Port Shape: Rectangle Port
  • Port Dimensions: 1.880 x 2.250 inches
  • Material: Multi-Layered Aluminum
  • Fitment: Ford 351 Cleveland 4-barrel, Ford Boss 302
  • Included: Pair of Gaskets

The Ultimate Gasket for Classic Ford Performance

Percy's Seal-4-Good gaskets are the go-to choice for enthusiasts restoring or upgrading their Ford 351C or Boss 302. Eliminate the frustration of recurring exhaust leaks and enjoy consistent, reliable performance. These gaskets ensure that your headers remain securely sealed, maximizing exhaust scavenging and contributing to a healthier, more powerful engine. For top-tier Ford performance parts, look no further than 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.

Watch in action

Precision Sealing for Ford 351C 4bbl & Boss 302 Headers

Unleash the full power of your Ford 351C 4bbl or Boss 302 engine with Percy's High Performance Seal-4-Good Header Gaskets. Specifically designed for these iconic Ford powerplants, these gaskets provide an uncompromising seal, crucial for preventing exhaust leaks that can compromise performance and create unwanted noise. Experience optimal exhaust flow and a true performance sound from your classic Ford.

Engineered for Ford Cleveland / Modified Engines

These premium header gaskets feature a robust multi-layered aluminum construction, offering superior resistance to the intense heat and pressure generated by high-performance engines. The precise 1.880 x 2.250 inch rectangle port dimensions are perfectly matched for Ford Cleveland and Modified applications, including the Boss 302. Their reusable design means you can remove and reinstall them multiple times without losing their sealing effectiveness, a significant advantage for engine builders and tuners.

  • Port Shape: Rectangle Port
  • Port Dimensions: 1.880 x 2.250 inches
  • Material: Multi-Layered Aluminum
  • Fitment: Ford 351 Cleveland 4-barrel, Ford Boss 302
  • Included: Pair of Gaskets

The Ultimate Gasket for Classic Ford Performance

Percy's Seal-4-Good gaskets are the go-to choice for enthusiasts restoring or upgrading their Ford 351C or Boss 302. Eliminate the frustration of recurring exhaust leaks and enjoy consistent, reliable performance. These gaskets ensure that your headers remain securely sealed, maximizing exhaust scavenging and contributing to a healthier, more powerful engine. For top-tier Ford performance parts, look no further than GGCRACING.

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