Those don't look correct, these are what I have used on my 65 thru 68 cars
https://www.summitracing.com/parts/mtd-340003?seid=srese1&gclid=Cj0KCQjw9O6HBhCrARIsADx5qCSbnr962cl_p_uKMrFjKdkxCMsqVDCRoJUY23zIrJWEvy4euCWpldEaAh1HEALw_wcB
https://www.summitracing.com/parts/mtd-340003?seid=srese1&gclid=Cj0KCQjw9O6HBhCrARIsADx5qCSbnr962cl_p_uKMrFjKdkxCMsqVDCRoJUY23zIrJWEvy4euCWpldEaAh1HEALw_wcB