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The stock axleshaft outers on the Super Duty 50 and 60 are both 30 spline. With the Free-Spin kit, Dynatrac ups the shaft count to 35 and fits each with a Premium Warn hub. The combo kit is also rated for up to 44-inch-tall tires and retains the Super Duty 8-on-170 bolt pattern.
With your existing account from...
{* loginWidget *}
With a traditional account...
{* #userInformationForm *}
{* traditionalSignIn_emailAddress *}
{* traditionalSignIn_password *}
{* traditionalSignIn_signInButton *}{* traditionalSignIn_createButton *}
{* /userInformationForm *}
Welcome back, {* welcomeName *}!
{* loginWidget *}
Welcome back!
{* #userInformationForm *}
{* traditionalSignIn_emailAddress *}
{* traditionalSignIn_password *}
{* traditionalSignIn_signInButton *}
{* /userInformationForm *}
Please confirm the information below before signing in.
{* #socialRegistrationForm *}
{* socialRegistration_firstName *}
{* socialRegistration_lastName *}
{* socialRegistration_emailAddress *}
{* socialRegistration_displayName *}
By clicking "Sign in", you confirm that you accept our
terms of service and have read and understand
privacy policy.
{* /socialRegistrationForm *}
We have sent a confirmation email to {* emailAddressData *}. Please check your email and click on the link to activate your account.
Please confirm the information below before signing in. Already have an account? Sign In.
{* #registrationForm *}
{* traditionalRegistration_firstName *}
{* traditionalRegistration_lastName *}
{* traditionalRegistration_emailAddress *}
{* traditionalRegistration_password *}
{* traditionalRegistration_passwordConfirm *}
{* traditionalRegistration_displayName *}
By clicking "Create Account", you confirm that you accept our
terms of service and have read and understand
privacy policy.
{* /registrationForm *}
We'll send you a link to create a new password.
{* #forgotPasswordForm *}
{* traditionalSignIn_emailAddress *}
{* /forgotPasswordForm *}
We've sent an email with instructions to create a new password. Your existing password has not been changed.
{* mergeAccounts *}
{* #tradAuthenticateMergeForm *}
{* traditionalSignIn_emailAddress *}
{* mergePassword *}
{* /tradAuthenticateMergeForm *}
{* newPasswordForm *}
{* newpassword *}
{* newpasswordConfirm *}
{* /newPasswordForm *}
Password has been successfully updated.
We didn't recognize that password reset code. Enter your email address to get a new one.
{* #resetPasswordForm *}
{* traditionalSignIn_emailAddress *}
{* /resetPasswordForm *}
We've sent an email with instructions to create a new password. Your existing password has not been changed.
