Clevite77 MS19975 Steel Core Graphite Header Gaskets — Fits Small Block Chevy Square Port

SKU: BBKS_MS19975
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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 Clevite77

Clevite77 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Clevite77 lineup with fast shipping and expert fitment support — order with confidence.

Achieve a Perfect Seal on Your Small Block Chevy with Clevite77 Header Gaskets

Ensure optimal exhaust flow and eliminate frustrating leaks from your Small Block Chevy (SBC) with the Clevite77 MS19975 Steel Core Graphite Header Gasket Set. Engineered specifically for SBC engines with 1.450 x 1.450 inch stock square ports, these gaskets provide a robust, long-lasting seal that is crucial for maximizing horsepower and torque. A failing header gasket can lead to power loss, an annoying exhaust tick, and even damage to surrounding engine components due to hot gas leaks.

Advanced Sealing for SBC Performance

Clevite77's MS19975 gaskets utilize a high-performance Steel Core Graphite construction, a material chosen for its exceptional ability to withstand the extreme temperatures and pressures of a performance V8 engine. The graphite layers offer superior conformability to seal minor imperfections on mating surfaces, while the integrated steel core provides structural integrity, preventing gasket blowout. This design ensures a reliable, leak-free connection, essential for both street and track applications.

  • Steel Core Graphite Material: Provides excellent heat resistance and sealing properties for demanding applications.
  • Square Port Specific: Precisely designed for 1.450 x 1.450 inch stock square port Small Block Chevy headers.
  • Eliminates Exhaust Leaks: Critical for maintaining engine efficiency, sound, and preventing component damage.
  • Durable Construction: Built to endure the harsh environment of a high-performance exhaust system.

Vehicle Fitment

This Clevite77 Header Gasket Set (MS19975) is specifically designed for:

  • Small Block Chevy (SBC) Engines with 1.450 x 1.450 inch stock square exhaust ports.

Trust Clevite77 for Your SBC Build

Don't compromise on the exhaust sealing of your Small Block Chevy. The Clevite77 MS19975 gaskets offer an unparalleled combination of durability and sealing effectiveness, ensuring your headers perform exactly as intended. Whether you're building a new engine or replacing worn-out gaskets, these are the reliable choice for a leak-free and powerful exhaust system. Discover premium automotive solutions and more at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Clevite77

Clevite77 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Clevite77 lineup with fast shipping and expert fitment support — order with confidence.

Achieve a Perfect Seal on Your Small Block Chevy with Clevite77 Header Gaskets

Ensure optimal exhaust flow and eliminate frustrating leaks from your Small Block Chevy (SBC) with the Clevite77 MS19975 Steel Core Graphite Header Gasket Set. Engineered specifically for SBC engines with 1.450 x 1.450 inch stock square ports, these gaskets provide a robust, long-lasting seal that is crucial for maximizing horsepower and torque. A failing header gasket can lead to power loss, an annoying exhaust tick, and even damage to surrounding engine components due to hot gas leaks.

Advanced Sealing for SBC Performance

Clevite77's MS19975 gaskets utilize a high-performance Steel Core Graphite construction, a material chosen for its exceptional ability to withstand the extreme temperatures and pressures of a performance V8 engine. The graphite layers offer superior conformability to seal minor imperfections on mating surfaces, while the integrated steel core provides structural integrity, preventing gasket blowout. This design ensures a reliable, leak-free connection, essential for both street and track applications.

  • Steel Core Graphite Material: Provides excellent heat resistance and sealing properties for demanding applications.
  • Square Port Specific: Precisely designed for 1.450 x 1.450 inch stock square port Small Block Chevy headers.
  • Eliminates Exhaust Leaks: Critical for maintaining engine efficiency, sound, and preventing component damage.
  • Durable Construction: Built to endure the harsh environment of a high-performance exhaust system.

Vehicle Fitment

This Clevite77 Header Gasket Set (MS19975) is specifically designed for:

  • Small Block Chevy (SBC) Engines with 1.450 x 1.450 inch stock square exhaust ports.

Trust Clevite77 for Your SBC Build

Don't compromise on the exhaust sealing of your Small Block Chevy. The Clevite77 MS19975 gaskets offer an unparalleled combination of durability and sealing effectiveness, ensuring your headers perform exactly as intended. Whether you're building a new engine or replacing worn-out gaskets, these are the reliable choice for a leak-free and powerful exhaust system. Discover premium automotive solutions and more at GGCRACING.

Product Details

Product Description

About Clevite77

Clevite77 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Clevite77 lineup with fast shipping and expert fitment support — order with confidence.

Achieve a Perfect Seal on Your Small Block Chevy with Clevite77 Header Gaskets

Ensure optimal exhaust flow and eliminate frustrating leaks from your Small Block Chevy (SBC) with the Clevite77 MS19975 Steel Core Graphite Header Gasket Set. Engineered specifically for SBC engines with 1.450 x 1.450 inch stock square ports, these gaskets provide a robust, long-lasting seal that is crucial for maximizing horsepower and torque. A failing header gasket can lead to power loss, an annoying exhaust tick, and even damage to surrounding engine components due to hot gas leaks.

Advanced Sealing for SBC Performance

Clevite77's MS19975 gaskets utilize a high-performance Steel Core Graphite construction, a material chosen for its exceptional ability to withstand the extreme temperatures and pressures of a performance V8 engine. The graphite layers offer superior conformability to seal minor imperfections on mating surfaces, while the integrated steel core provides structural integrity, preventing gasket blowout. This design ensures a reliable, leak-free connection, essential for both street and track applications.

  • Steel Core Graphite Material: Provides excellent heat resistance and sealing properties for demanding applications.
  • Square Port Specific: Precisely designed for 1.450 x 1.450 inch stock square port Small Block Chevy headers.
  • Eliminates Exhaust Leaks: Critical for maintaining engine efficiency, sound, and preventing component damage.
  • Durable Construction: Built to endure the harsh environment of a high-performance exhaust system.

Vehicle Fitment

This Clevite77 Header Gasket Set (MS19975) is specifically designed for:

  • Small Block Chevy (SBC) Engines with 1.450 x 1.450 inch stock square exhaust ports.

Trust Clevite77 for Your SBC Build

Don't compromise on the exhaust sealing of your Small Block Chevy. The Clevite77 MS19975 gaskets offer an unparalleled combination of durability and sealing effectiveness, ensuring your headers perform exactly as intended. Whether you're building a new engine or replacing worn-out gaskets, these are the reliable choice for a leak-free and powerful exhaust system. Discover premium automotive solutions and more at GGCRACING.

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