The mounting holes on these water necks are slotted to fit all model years of the GM (General Motors) LS Series engines. Choose from the 30 degree swivel style or a straight water neck. These water necks match the new black and polished accessory drive brackets and are for use in engine swap applications.

Features

GM LS Water Necks

Choose From Swivel or Strait Style Water Necks

Black, or Polished Aluminum Finish

Fits All 1997-’15 GM LS Series Engines – Revised Design w/ Slotted Mounting Holes

Stainless Steel Mounting Bolts Included

Fits 1-1/2” Radiator Hose

Must Be Used w/ 2004-’08 Thermostat (i.e. Part #6367 160 degree, or # 6368 180 degree)

New Finish to Match Black or Polished Accessory Drive Brackets

Ideal for Engine Swap Applications