30170 - 90 DEG SWIVEL WATER OUTLET Product Description:

CNC-machined aluminum water necks fit Chevrolet V8's and 90-degree V6. ALL30170 and ALL30171 are two-piece necks that can swivel 360 degrees. ALL30172 is a one-piece fixed neck. Each has a polished finish and includes an O-ring for sealing the base flange and two chrome plated Allen head bolts.