Mr. Gasket - 1131G
Head Gasket - Shim - 4.370 in Bore - 0.020 in Compression Thickness - Steel - Big Block Chevy - Each
Performance Head Gasket; Embossed Steel Shim; Gasket Bore 4.370 in.; 0.020 in. Compressed Thickness;
Mr. Gasket Steel Shim Cylinder Head Gaskets are for high performance street machines, drag racing and oval track racing. With today's extreme compression ratios you need stronger more durable gaskets. Mr. Gasket steel shim gaskets are made from .020 inch steel shim stock which is thinner than most composite gaskets increasing engine compression. Stress formed embossments will seal the extreme cylinder pressure.
- Steel Shimmed For Perfect Sealing
- Increases Engine Compression
- High Temp Silicone Coated To Prevent Leaks
- Stress Formed Embossments
Application: Big Block Chevy
Brand: Mr. Gasket
Category: Engine
Compressed Thickness: 0.02
Compression Ratio: Up to 12:1
Emission Code: 5
Engine: Chevrolet Big Block Mark IV
Gasket Bore: 4.37
Gasket Line: Performance
Material: Steel Shim
Packaging: Retail
Product Type: Head Gasket
Quantity Per Pkg.: 1
Warning: California Proposition 65
Warranty: Manufacturer's Limited 90 Day Warranty
Weight: 0.5
