These are a high quality base gasket to suit the 471GM superchargers. Price is per gasket.
GM 471 supercharger base gasket
Shipping costs are not included in the price of the product. Shipping will be done with the most economical carrier service unless a specific carrier is requested by the customer.
If the product is faulty or not suitable for the application as described and is in as bought condition a full refund will be given when returned within 30 days of purchase.