Thanks - yes, chrome - I should have mentioned that (edited). Yeah, looks like I can get some of it from Gibson. The tuners should be standard Grover Kidney shaped no? ie https://www.sweetwater.com/store/detail/106C--grover-106c-original-locking-rotomatics-tuning-machines-set-chrome.
Am assuming that Bridge is a regular ABR-1, https://www.gibson.com/en-US/Guitar/CUSF52344/60th-Anniversary-1961-Les-Paul-SG-Custom-With-Sideways-Vibrola/Polaris-White.