Comp Cams CAM PHASER KIT, GM L-94/L-99 RotopaX Sierra Classic 1979 - 1982

Sierra Classic 1979 - 1982 GMC C2500 Sierra Grande 1994 - 1995 GMC C2500 Sierra SL

Type-R 1999 - 2000 Nissan Silvia Autech 1989 - 1991 Nissan Silvia Convertible 1989 - 1998 Nissan Silvia Q's

PC08 / Audi / RS6 / C5 (2002-2004) / (4

Luxury 1993 - 1996 Cadillac Fleetwood Brougham

Comp Cams CAM PHASER KIT, GM L-94/L-99 RotopaX Sierra Classic 1979 - 1982GM L94 L99 Cam Phaser Limiter Kit Recently, General Motors developed the new L94 L99 engines, which utilize Variable Valve Timing (VVT). This technology is regulated by the use of cam phasers, which are computer controlled cam gears that optimize camshaft timing based on current engine rpm. Engine oil is pressure fed to the cam phasers through a series of passageways in the cylinder heads and cam while the engine computers control solenoids that