You can buy it the whole package parts + instructions at mochub : https://www.mochub.com/moc/lego-monster-energy-baja-truck-recoil
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Building Instructions For Sale
This is a Premium MOC, and the instructions to build it are being sold by the designer (Nico71) for €10.00
You will receive building instructions of type PDF - Photo Sequence, available for immediate download from Rebrickable.