GruvenParts.com offers lightweight ultra sleek billet crank, power steering, and tensioner pulleys for your MK4 VW and Audi 1.8T and 2.0 VW engines. Buy them individually or as a set and save! Lightweight Billet Aluminum 1.8T/2.0 Tensioner Pulley Plastic may have made the bean counters at VW happy, but it has no business as a tensioner pulley on your high strung VW motor. Ours is extremely light weight and contains a precision 20K RPM SKF bearing that will perform more quietly and far outlast the OEM plastic pulley. Installation is a breeze – simply release belt tension, remove the tensioner pulley bolt, and swap ours in. Note - the torx bolt loosens counterclockwise (normal bolt). Please follow all Volkswagen installation instructions for installation. This part fits all MK4 Golf, Jetta, GLI, New Beetle, and 337 1.8T and 2.0 engines, as well as all Audi TT MK1 1.8T 180hp and 225 hp. Buy them as a set and save! Lightweight Billet Aluminum 1.8T/2.0 Non-Underdrive CrankPulley Lose the boat anchor of that OEM steel crank pulley with this 230 gram lightweight billet aluminum version. It is the lightest crank pulley out there and will allow the engine to spool up faster while reducing inertial losses caused by the overweight OEM pulley. This pulley is NOT underdrive and will therefore not underdrive the alternator and cause charging problems. For underdrive applications, check out our specially designed underdrive power steering pulley below. This pulley fits all MK4 Golf, Jetta, GLI, New Beetle, and 337 1.8T and 2.0 engines, as well as all Audi TT MK1 1.8T 180hp and 225 hp. Buy them as a set and save! Lightweight AND Underdrive Billet Aluminum 1.8T/2.0 Power Steering Pulley A lightweight billet aluminum version of the OEM power steering pulley, sized to allow a 10% reduction in power steering pump rotational speed without affecting other accesories. This pulley will reduce the parasitic losses from the power steering pump at higher rpms by preventing pump over-rotation. For those seeking an underdrive set up, this is the pulley to get! This pulley fits all MK4 Golf, Jetta, GLI, New Beetle, and 337 1.8T and 2.0 engines, as well as all Audi TT MK1 1.8T 180hp and 225 hp. Buy them as a set and save! With the GruvenParts.com lightweight billet aluminum tensioner, crank, and underdrive power steering pulleys, you will have replaced ALL the 1.8T/2.0 pulleys worth going after. Buy them individually, or as a set and save !!