THIS PRODUCT IS NOW OFFERED ON OUR OTHER WEBSITE KEY CITY HOBBY.

Please Follow this link to find this and many other great products offered at Key City Hobby.

https://keycityhobby.com/products/s4-supershafty-capra-driveshaft-kit

Thank You ! 

This part is a spring that is for replacing a worn out stock Slipper spring. 

Or a Lost SuperShafty top shaft spring.

Put one in your toolbox just in case you lose it.

This is the strongest slipper spring you can buy anywhere. 600 lb/in of force needed to compress it. 

You will receive ONE spring.