Weld Slotted Wheels by Plastic Performance Products. Weld Slotted wheels were used in Nascar from 1972 through 1975. Kit includes a set of 4 wheels. These are manufactured by Injection Mold ^not resin cast^ which creates a much higher quality result. Recommend to use with 7074G 1970-74 Goodyear tires from PPP also available at Mike's. Please note that the tire in the picture is for reference only. Shopping cart is for a set of 4 rims.