Billet Performance Products’ billet drive belt pulley is a serpentine tensioner pulley upgrade for Toyota 1JZ and 2JZ engines, designed to replace the factory pulley with a durable billet alternative. It suits maintenance work, engine bay refreshes and JZ swap builds where reliability matters as much as appearance. This is the sort of detail part that fits naturally alongside other engine parts and accessory drive service items on a well-finished performance build. Features MPN: BPP1005 Fitment: Toyota 1JZ and 2JZ engines Material: 6061-T6 billet aluminium Finish: Black Type II bright dip anodised coating Bearing: Supplied with a replaceable bearing Typical Applications Toyota 1JZ and 2JZ maintenance or refresh work Street, drift and drag JZ builds Engine swaps needing a clean billet accessory drive component Replacing a tired or worn factory serpentine tensioner pulley Fitment Notes Suits Toyota 1JZ and 2JZ serpentine tensioner applications Check pulley and belt system condition during installation Designed as a billet replacement pulley, not a complete belt drive conversion