I've just done some more digging and found a website that sells these clutch counterweights.

It states the OEM Number is A20016. Not sure if this helps.

http://www.hwlr.com.au/index.php/rover-scott-bonnar-45

Portal Box 6

Entire Thread
Subject	Posted By	Posted
SB Model 45 - Cutter Clutch Balance Device	Deejay	23/01/14 01:56 PM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	23/01/14 04:12 PM
Re: SB Model 45 - Cutter Clutch Balance Device	Mikegq	24/01/14 06:58 PM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	25/01/14 07:47 AM
Re: SB Model 45 - Cutter Clutch Balance Device	tezza98_tnharris	30/01/14 10:25 AM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	30/01/14 10:35 AM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	30/01/14 10:51 AM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	30/01/14 12:30 PM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	30/01/14 03:28 PM
Re: SB Model 45 - Cutter Clutch Balance Device	dansblackcat	31/01/14 05:40 PM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	01/02/14 08:04 AM
Re: SB Model 45 - Cutter Clutch Balance Device	Corduroy	04/02/14 10:02 PM
Re: SB Model 45 - Cutter Clutch Balance Device	Corduroy	04/02/14 11:19 PM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	05/02/14 12:58 PM
Re: SB Model 45 - Cutter Clutch Balance Device	Corduroy	05/02/14 02:47 PM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	06/02/14 06:33 AM
Re: SB Model 45 - Cutter Clutch Balance Device	Bruce	06/02/14 11:23 AM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	06/02/14 11:37 AM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	06/02/14 12:10 PM
Re: SB Model 45 - Cutter Clutch Balance Device	rolla16v	08/02/14 06:29 PM
Re: SB Model 45 - Cutter Clutch Balance Device	peettee	08/02/14 10:11 PM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	09/02/14 08:04 AM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	09/02/14 08:26 AM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	09/02/14 10:20 AM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	09/02/14 11:02 AM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	09/02/14 11:35 AM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	09/02/14 11:47 AM
Re: SB Model 45 - Cutter Clutch Balance Device	Deejay	09/02/14 12:01 PM
Re: SB Model 45 - Cutter Clutch Balance Device	grumpy	09/02/14 01:13 PM

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