Open control chain with rivet lock - Produced by BorgWarner Morse - in original equipment quality CONTROL CHAIN ​​LOCKERS FOR BORG WARNER AND DID ARE ALSO AVAILABLE SEPARATELY. PLEASE DO NOT USE ANY BRANDS, BUT ONLY THE CONTROL CHAIN ​​FOR THE BRANCH! Installation: Open the old control chain and connect it to the new control chain, and then rivet a new control chain. To save you several hours of work, since the engine does not have to be disassembled completely.