Pulley SMALL P/S PUMP (USE W/underdrive Balancer) Small Power Steering Pump Pulley HolleyWhen swapping an Ls engine into your project vehicle there are sometimes clearance issues to the low mounted power steering pump pulley. Holley's 97 154 pulley gives maximum clearance and allows the engine to be mounted lower in the vehicle. Features and Benefits: 5 8 inch more clearance for A arms and steering boxes when compared to original Corvette power steering pulley Works with standard 1997 and up Corvette power steering pump (Saginaw Tc type)