Dura-Bond transmission bushings are constructed of seamless steel tube with a thin layer of babbitt material, making them perfect for the aftermarket with no line boring needed. This 12-bushing kit includes an extension housing bushing, solid bushing kit, and is easy to install with seamless construction that eliminates breakage and bushing surface interruptions. Durable and reliable, Dura-Bond Bushings and Kits are the perfect solution for your transmission needs.