Holley Power Steering Pulley w/ .663 Shaft

Upgrade Your LS Accessory Drive. This also will eliminate the GTO Pulley Headache! Though this can be used on other GM vehicles like the Pontiac G8, finding a replacement or upgrade pulley for a factory 2005–2006 Pontiac GTO power steering pump is notoriously difficult due to its rare, platform specific 0.660-inch shaft diameter. This premium Holley Power Steering Pulley features a standard .663-inch shaft bore, making it the ultimate solution for enthusiasts upgrading or changing to a GM Type 2 Pump with this shaft size. By switching from the hard-to-source OEM GTO power steering pump with the 660 pulley. swapping to the available GM Type II Power Steering Pump, you close the door on your headache to finding one with this pulley that is engineered to press flawlessly onto any standard .663" pump shaft, providing a high-interference fit that will not slip or spin loose under high-RPM conditions. It is highly recommend to make sure this is pressed on correctly and to use a laser alignment tool to make sure it is sitting directly inside the V grooves matching the other pulleys. Also double check your size on your pump because there are NO returns on these once they are mounted.