The Big Switch with removable laser cut, stainless steel key enhances the security and safety features available with the Big Switch. This unit is rated at 250 amps continuous service and 2500 amps for 5 second intervals (12V / 24V) It is a heavy duty, waterproof switch. The removable key feature is ideal for construction, farm equipment and passenger cars. An absolutely essential theft deterrent. The Big Switches feature a spring-loaded, vibration-resistant, waterproof design and are furnished with a removable, replaceable key. They are accepted by most sanctioning bodies, including IHRA/NHRA.
Note: Terminals on battery disconnect switch are a live part of the electrical system and should be treated just like battery terminals. Covers are recommended, but not included.
| 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 | Kingswood | 1959 - 1960 |
| Chevrolet | Nomad | 1955 - 1960 |
| Chevrolet | One-Fifty Series | 1953 - 1957 |
| Chevrolet | Parkwood | 1959 - 1960 |
| Chevrolet | Sedan Delivery | 1949 - 1960 |
| Chevrolet | Styleline Deluxe | 1949 - 1952 |
| Chevrolet | Styleline Special | 1949 - 1952 |
| Chevrolet | Two-Ten Series | 1953 - 1957 |
