https://www.hiremaster.co.nz/shop/ballast-weights/ballast-weight-465kg?gn=BALLAST%20WEIGHTS&gp=7
Ballast Weight 465kg - Hiremaster Wellington
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https://www.ngpmotorsports.com/product-page/5kg-ballast-weight-2
5Kg BALLAST WEIGHT | NGP Motorsports
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