2185 MM 11 Rib Serpentine Belt
The installation of the Lingenfelter Overdrive harmonic balancer on the C6 ZR1 Corvette LS9 with the stock upper pulley changes the belt length required. This 11 rib 2185 MM (86") serpentine belt is manufactured by Bando who is the OEM manufacturer of the factory ZR1 11 rib serpentine belt.