Vacuum bypass system with instantaneous boost response designed to unload supercharger at engine idle and part-throttle for improved fuel economy
* Bolt-on installation
Excellent resistance to fouling under light load operation Silver is the best electrical conductor of all metals
Suitable for high performance street cars
These are Sold Individually - 2x required to do 1 Engine
PULLEY, IDLER, ENGINE, EP025 VCM Scanner Vacuum bypass system with instantaneousCommodore Tensioner Pulley A C; Idler Pulley A C (Steel) Feb 2004 Jan 2006, 5. 7L, V8, 16V, OHV, MPFI, VZ, 235kW, EngCode: LS1 GEN III Tensioner Pulley A C; Idler Pulley A C (Steel) Feb 2006 Aug 2007, 6. 0L, V8, 16V, OHV, MPFI, VZ, 260kW, EngCode: L76 GEN 4 Tensioner Pulley A C (Steel) Aug 2006 Aug 2010, 6. 0L, V8, 16V, OHV, MPFI, VE, 270kW, EngCode: L98 GEN 4 Tensioner Pulley A C; Idler Pulley A C (Steel) Sep 2010 Apr 2013, 6. 0L, V8, 16V, OHV, MPFI,