7158MRG Mr. Gasket Copper Exh Gskt-Chev Bb
7158MRG Mr. Gasket Copper Exh Gskt-Chev Bb
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7158MRG Mr. Gasket Copper Exh Gskt-Chev Bb
Enhance your vehicle's performance with the 7158MRG Mr. Gasket Copper Exhaust Header Gasket. Designed specifically for Chevrolet big block engines ranging from 396 to 502 cubic inches, this gasket is an ideal choice for those seeking reliability and durability in high-performance applications.
Key Features:
- Premium Material: Crafted from dead soft 0.043 inch thick copper, this gasket ensures excellent sealing capabilities.
- Embossed Design: Featuring a 0.051 inch embossment around each exhaust port, it efficiently seals irregular surfaces for optimal performance.
- Durability: With a total gasket thickness of 0.094 inches, it delivers outstanding durability and can withstand extreme heat conditions, making it perfect for turbocharged applications.
- Versatile Fit: Compatible with a variety of models from 1965 to 1999, including those with square port stock cast iron heads and various aftermarket heads like Brodix, Dart, and World Products.
- High Recovery Material: Conforms to and seals minor surface irregularities, ensuring a secure fit even if flange clamp-load decreases.
- Easy Modification: Can be trimmed for custom port applications, providing flexibility for your specific needs.
Applications:
This gasket is suitable for:
- OE replacement
- High-performance street driving
- Drag racing
- Oval track racing
Warranty:
Backed by a limited 90-day warranty, you can trust the reliability of the 7158MRG Mr. Gasket Copper Exhaust Header Gasket for your automotive needs.
Specifications:
- Port Diameter: Not Applicable
- Material: Copper
- Port Shape: Rectangular
- Port Length: 1.90 Inch
- Port Width: 1.85 Inch
Upgrade your exhaust system with confidence, knowing that the 7158MRG Mr. Gasket Copper Exhaust Header Gasket offers the perfect combination of performance, durability, and versatility.
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Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

