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7171MRG Mr. Gasket Copper Seal Header Gaskets

Fits 1963-1979 Pontiac 326-455. Oval/D-Shaped Ports, 1.55 Inch x 1.94 Inch. Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.

General Policies

Payment Method      

  • We gladly accept PayPal and All Major Credit Cards.

Warranty & Return Policy

  • Holley Performance Products warrants new products to be free from defects in material and workmanship for a period of 90 days from date of purchase.
  • Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water,corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products.  Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.
  • Buyer pays return shipping

Shipping & Tracking

  • Please see the “Shipping and Payment” tab
  • We ship all US orders via United Parcel Service (UPS Ground)
  • A signature is required on all UPS orders over $750
  • Tracking information will be sent via email after your package ships (you must supply a valid email address during checkout)
  • We ship within 1 business day upon receipt of payment
  • We do not ship to APO/FPO or US Post Office Box addresses
  • We ship internationally thru United States Postal Service (USPS) Express Mail International; allow extra time for international shipments
  • We can not ship as a "GIFT" or ship anything internationally with changes to the invoice

Customer Service & Feedback

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  • If you have a technical question about your purchase, please call our Tech Services department at (866) 464-6553 between 8:00 am – 6:00 pm M-F and Saturdays 9:00 am to 3:00 pm.
  • We want you to be completely satisfied with your purchase – please let us know if you have any problems with your purchase before leaving feedback so we have a chance to make it right – we want your repeat business!

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