Theses are super-rare discontinued Kyosho Racing Factory's racing kart sponge/foam tires for the rear of 1/5 Kyosho Birel R31-SE 31315T1 Readyset nitro racing go kart. This factory upgrade for the Kyosho Birel R31-SE has not been made in years and is nearly impossible to find. This item is in new condition. These have been stored in a sealed bag to help preserve tire freshness.
I have many other rare Kyosho Birel go kart parts and upgrades for sale. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Body Parts & Interior\Cars, Trucks & Motorcycles".werke" and is located in this country: US.
This item can be shipped worldwide.