ILCA Race Vang – 15:1 Purchase system. This Laser vang kit includes everything you’ll need to upgrade your existing vang system. The A8331 includes the following hardware and is completely class legal; A5861 – Lower vang unit. A2023 – 20mm Dynamic double becket block. A2030PF-873 – 30mm plain bearing fork block with vang key. SA.873 – Heavy-duty vang key. Control line – 4500mm. Primary Dyneema – 1400mm. Watch the video below for a complete rigging guide. Please note – The top vang block has been updated to the A2030PF-873, this block does not have a becket, but the hole through the middle of the sheave is used as the tying off point.