Sonnax Slip yokes are made of forged steel . They add strength and durability at an affordable price. The T2-3-12081HP uses 1330 series u-joints, and fits several applications, including most Powerglide, T-350, 700-R4, 200-R4 and 4L60-e transmissions. They can also fit Borg Warner T-5 T-10 & T-56 manual transmissions. Whether your using these for street car, street rod, drag or dirt, these deliver strength and reliability for high horse power and maximum torque capacity.