Same high spec bearing as GM LS3 (12x17x40mm)
Front and belt surface polished.
Comes with snap ring and bearing installed.
Pulley is Made in the USA.
Fits 6-ribbed serpentine belts
Diameter: 2.75"
Fits Vin 2.0 X2028401 and after
Fits Vin X7022779 and after