The B&M Megashifter® fits GM TH400, 350, 250, 200, 700R4, 2004R, 4L60E, and 4L65E GM automatic transmissions. NOTE: The 4L60E and 4L65E with PRNDL switch require bracket kit P/N 383065).
The B&M Megashifter® features a Ratcheting action, ensuring positive shifts. Features include a chrome knob, neutral safety switch and NHRA/IHRA approved reverse lockout. The Megashifter® fits most 3 and 4 speeds. The kit includes shifter assembly, built-in neutral safety switch, back-up light switch, lighted indicator, and hardware.
| Make | Model | Years |
| Chevrolet | Bel Air | 1950 - 1965 |
| Chevrolet | Biscayne | 1958 - 1965 |
| Chevrolet | Brookwood | 1958 - 1960 |
| Chevrolet | Del Ray | 1957 - 1958 |
| Chevrolet | Fleetline | 1949 - 1952 |
| Chevrolet | Impala | 1958 - 1965 |
| Chevrolet | Nomad | 1955 - 1960 |
| Chevrolet | One-Fifty Series | 1953 - 1957 |
| Chevrolet | Parkwood | 1959 - 1960 |
| Chevrolet | Styleline Deluxe | 1949 - 1952 |
| Chevrolet | Styleline Special | 1949 - 1952 |
| Chevrolet | Two-Ten Series | 1953 - 1957 |
