Neuspeed Power Pulley Kit VW R32 MK4 (2004) BMW which means they are meant

which means they are meant to easily handle extreme conditions and not fail

NOTE: 2002-2005 WRX owners will need to convert to the STI oil pan

2L Quattro (2006-2008)

and instructions

The exhaust will give you up to 12WHP gain (see dyno sheets)

Neuspeed Power Pulley Kit VW R32 MK4 (2004) BMW which means they are meantYour 2004 MK4 Golf R32 power steering pump, alternator and A C are powered by a belt connected back to the crankshaft pulley. Spinning these pulleys draw precious horsepower from your engine. Neuspeed's powertrain engineer, using sophisticated CAD software, performed a mass properties analysis of the crankshaft pulley. The result is reduced parasitic drag on the engine and increased horsepower. This kit for the 2004 R32 includes new under drive