SPECIFICATIONS
- Mr. Gasket Copper Seal Header Gaskets. Buy now and get same day shipping!
- Manufactured from €œDead Soft€� (solid) .043″ thick copper material
- .051″ embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094″
- Provides excellent sealing and durability
- Conforms to and seals minor surface irregularities
- For high performance street, drag race, oval track and turbocharged (extreme heat) applications
- Collector Gaskets Included: No
- Emission Code: 5
- Engine: Chrysler Big Block B/RB
- Gasket Line: Copper-Seal
- Material: Copper
- Port Shape: Rectangle
- Port Size: 1.78″ x 1.48″
- Product Type: Header Gaskets
- Thickness: .094″
- Weight: 0.9400
FITMENT
- 1958-1979 Mopar 383-440 B/RB Big Block Except Hemi. Rectangular Ports, 1.78 Inch x 1.48 Inch
SHIPPING
- We do our best to ship most items same or next day.
- For all products, free fast delivery of the UPS is already included in the price.
NOTES
- This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
- If you have fitment questions or concerns, please contact us prior to ordering.




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