Carolina Custom Speed Lock 10 Module
From Carolina Custom
This module will send a lock signal to your doors at between 5 and 10 miles per hour. In some cases it may be slightly higher depending on the make of the gauges you are using. Speedometer must be electric. The kits comes with relays and wiring instructions.
WARNING: This product can expose you to chemicals including nickel and urethane, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.