Pulley Power Steering: Pontiac V8 65-66 W/O AC but check visually

but check visually

This has 153 Teeth

like high & low pressure switches not working to start with but not diagnosed before a replacement compressor is fitted and then hence too often  = another almost instantly  blown compressor which in turn is blamed on a "must be a faulty new compressor"  etc

Very  specific design upper radiator hose with the  additional feeder hose off it as shown

Pulley Power Steering: Pontiac V8 65-66 W/O AC but check visuallyBrand new reproduction of the short use but critical NON AIR 65 66 Pontiac Power Steering Pulley for mounting on the PS Pump. Yours may have # 9777401 as the original # on it.