Note: GM TH400 with threaded hole in output shaft is 'Fixed Yoke' transmission and requires a .550" counterbored slip yoke, only available in Sonnax 1350 Chromoly Slip Yoke.
Slip Yoke choices are displayed in 3 categories:
Domestic applications: Slip yokes from Spicer, Neapco and PTI are included in the driveshaft price. (Includes Ford, GM, Dodge)
Foreign applications (add $40): Slip yokes from Spicer, Neapco and PTI for foreign applications (Includes Toyota, Nissan, Mitsubishi, . . .)
Sonnax Performance (add $80): Forged steel slip yokes are available for popular muscle cars.