SFI Certified 1 Piece Aluminum Transmission Case – Powerglide

For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology that is now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket helical Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and components. . The Tsi Sfi Case Is An Sfi Certified One Piece Transmission Case For Powerglide Transmissions. Cast From 356-T6 Aluminum And Precision Machined To Our Rigorous Specifications. Developed To Eliminate All Weak Points Found In The Original Gm Transmission Case. Our Tsi Sfi Case Is Sfi Approved For Competition, And Feature A Steel Safety Inner Liner Thus Eliminating The Need For Any External Shields.