Beyea Exhaust Gasket SBC 23 Degree Dart Platinum Rectangular Port — Fits Small Block Chevy

SKU: GBSK_HG23DP
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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 Beyea

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

Premium Exhaust Sealing for Dart Platinum 23-Degree Heads

Prevent power-robbing exhaust leaks with these high-performance Beyea exhaust gaskets, specifically designed for Small Block Chevy engines utilizing 23-degree Dart Platinum cylinder heads. These gaskets are engineered to handle the intense thermal cycling and high pressures found in high-output racing engines, ensuring your exhaust system maintains optimal backpressure and flow.

Key Features and Fitment

  • Fitment: Small Block Chevy with 23-degree Dart Platinum heads
  • Port Size: 1.770 x 1.550 inch rectangular port
  • Material: Steel core graphite construction for superior heat resistance
  • Quantity: Sold as a pair
  • Durability: Resists blowout and thermal degradation

The steel core graphite construction provides excellent crush characteristics, allowing the gasket to conform to minor surface irregularities between the header flange and the cylinder head. This creates a robust, airtight seal that prevents exhaust gas leakage, which is critical for maintaining engine efficiency and protecting your header flanges from warping. Designed for the rigors of professional racing, these gaskets provide the reliability that engine builders demand. Whether you are performing a routine engine refresh or a complete top-end rebuild, using high-quality gaskets is essential for consistent performance. Experience the difference in sealing technology and shop for your engine components at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Beyea

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

Premium Exhaust Sealing for Dart Platinum 23-Degree Heads

Prevent power-robbing exhaust leaks with these high-performance Beyea exhaust gaskets, specifically designed for Small Block Chevy engines utilizing 23-degree Dart Platinum cylinder heads. These gaskets are engineered to handle the intense thermal cycling and high pressures found in high-output racing engines, ensuring your exhaust system maintains optimal backpressure and flow.

Key Features and Fitment

  • Fitment: Small Block Chevy with 23-degree Dart Platinum heads
  • Port Size: 1.770 x 1.550 inch rectangular port
  • Material: Steel core graphite construction for superior heat resistance
  • Quantity: Sold as a pair
  • Durability: Resists blowout and thermal degradation

The steel core graphite construction provides excellent crush characteristics, allowing the gasket to conform to minor surface irregularities between the header flange and the cylinder head. This creates a robust, airtight seal that prevents exhaust gas leakage, which is critical for maintaining engine efficiency and protecting your header flanges from warping. Designed for the rigors of professional racing, these gaskets provide the reliability that engine builders demand. Whether you are performing a routine engine refresh or a complete top-end rebuild, using high-quality gaskets is essential for consistent performance. Experience the difference in sealing technology and shop for your engine components at GGCRACING.

Product Details

Product Description

About Beyea

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

Premium Exhaust Sealing for Dart Platinum 23-Degree Heads

Prevent power-robbing exhaust leaks with these high-performance Beyea exhaust gaskets, specifically designed for Small Block Chevy engines utilizing 23-degree Dart Platinum cylinder heads. These gaskets are engineered to handle the intense thermal cycling and high pressures found in high-output racing engines, ensuring your exhaust system maintains optimal backpressure and flow.

Key Features and Fitment

  • Fitment: Small Block Chevy with 23-degree Dart Platinum heads
  • Port Size: 1.770 x 1.550 inch rectangular port
  • Material: Steel core graphite construction for superior heat resistance
  • Quantity: Sold as a pair
  • Durability: Resists blowout and thermal degradation

The steel core graphite construction provides excellent crush characteristics, allowing the gasket to conform to minor surface irregularities between the header flange and the cylinder head. This creates a robust, airtight seal that prevents exhaust gas leakage, which is critical for maintaining engine efficiency and protecting your header flanges from warping. Designed for the rigors of professional racing, these gaskets provide the reliability that engine builders demand. Whether you are performing a routine engine refresh or a complete top-end rebuild, using high-quality gaskets is essential for consistent performance. Experience the difference in sealing technology and shop for your engine components at GGCRACING.

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