HP-1001 K&N Oil Filter vf Replace your water necks with

Replace your water necks with one of the same from ACDelco

It works to dissolve the dirt build up and old filter oil

GM head gaskets

No need to perform “Replace ECM” function

PSI have worked continuously to expand their range of specialized valve spring applications

HP-1001 K&N Oil Filter vf Replace your water necks withK&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N's pleated synthetic blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy duty canister is engineered to be exceptionally durable, and a one inch welded hex nut can be used for quick and easy filter