For 98-02 LS1 Camaro/Firebird STEEL Power Steering Pulley

*This pulley will stop the need or repment every time the plastic breaks,or comes apart,and ruins the reservoir,and loses the belt*Allows for easy acce to the bolte so the pulley does not have to be removed to get the off*Guaranteed to fit 98-02 LS1 motors and rep the plastic part # 12559885*Exact overall dimensions as the OEM part.outside diameter is 6.6 inches and 6.469 inch@belt groove; bore is 0.7472 inches or 18.9789mm to fit 19mm/.75inch shaft size*Simply pre on until the belt drive is perfectly aligned double chealignment with belt and acceories(alternator,crank shaft,etc)for correct pment*There will be about 1/4'' of the bore not preed on the shaft, because the factory part has a 1/4'' 'lip' inside it to e it 'stop' when it is aligned. These are made with no 'stop' inside.*My plastic part broke at the center shaft while on the expreway, and busted the reservoir, losing the serpentine belt, and leaving me snded miles from nowhere. It came apart at 107,000mi.I also one on youtube explode during a dyno test and ruin the radiator hose and the radiator. It is very expensive when the plastic fails!