std size servo saver for 1/12 pan car

[danny the elfman]

hey, i have a 1/12 servo, but with a std size 1/10 splines. So what servo horn should i go for? thanks for reading

[SlowOne]

You need this one for 12th:

http://www.kimbroughracingproducts.com/servo-savers.html

Use the middle set of holes for the pivot balls. Make sure you drill them out before fitting the pivot balls. Don't force the pivot balls through as that will stress the plastic which may then break when (not if!) you tap a board with a front wheel. Anything else you need, come back on and ask. HTH :)