Lingenfelter Performance Engineering is offering a supercharger pulley upgrade package for the CTS-V. The car’s 6.2 liter supercharged V8 powerplant, which produced 556 HP and 551 lb-ft of torque when it left the factory, now offers 630 Hp and 630 lb-ft of torque.
The power upgrade includes a E-coated supercahrger drive pulley, an 8-rib serpentine belt, solid supercharger isolator coupling, a special air duct kit and others. The only visual modification is the presence of the tuner’s logo on… (read more)