Replacement "tires" for the melted pinch rollers that were an issue with early 8 track tapes.  Please note, these are the "tires" only.  They do not come with the plastic hub.  You will need to clean off the old crumbling gooey rubber from your current plastic hub.
 
These press onto that hub.  You will need some kind of rubber safe lubricant to get these onto the hub, it is a tight fit! 
 
Personally I use a "dry" spray silicone lubricant available at any hardware store.  This lubricant will dry over time.  You will need to lubricate the outher edge of the plastic hub where the tire will be slipping over it (just the outer edge, not the inner part where the tire will rest on the hub). And then press the tire onto the hub (I use my thumb to get it started on the hub then use the palm of my hand to finish pressing it on).
 
These are sold in 2 different sizes so choose carefully.  This listing is for the Ampex/Flat Pak style replacement "tire". 
 
Shipping Details:
 
USA Customers ONLY, Shipping is a flat fee of $4.13  
Orders $30 and over get FREE shipping via USPS First Class Mail.
 
Canadian Customers, Shipping is a flat rate of $14.96 via USPS First Class Small Package International Mail.
 
International Customers, I ship to most European Countries, and a few others. Shipping is via USPS First Class Small Package International and is between $17.96 and $19.33 for up to 5 items depending on what country you are in.
 
Also, depending on your country, you may be charged an excise tax on the value of the item. This is not included in the price and out of my control.