Twin-Cam-Locking-Tool-Set-Sealey-VS777X-Set-comprises-VS777-VS777E-&-VS780-to-provide-timing-belt-pulley-locking-to-retain-timing-positions-on-single-&-twin-cam-petrol-&-diesel-engines-These-locking-tools-act-as-a-second-pair-of-hands-to-hold-camshafts-in-position-during-timing-belt-replacement-Huge-range-of-applications-from-closely-positioned-sprockets-on-many-twin-cams-to-more-widely-spaced-cam-injector-pump-sprockets-on-certain-diesel-engines-VS777-incorporates-adjustment-to-c