Special Features — Most complete kit in the industry. Each part is manufactured to OEM specifications and testing. Master Bushing Driver Set. Great Compatibility —Fit For GM: 125/125C, 180/180C, 200/200-4R/200C, 250/250-C, 325/325-4L, 350/350C, 400, 440-T4, 700-R4, Powerglide, Super Turbine 300.