Single Swivel Water Cross-Over Adapter - Black AF64-2187BLK Product:Suit GM LS Series Engines with -4AN Swivel Male End Stainless Steel 90° NPT Male

Stainless Steel 90° NPT Male to AN Fitting1/4" NPT to Male -4AN

AF529-12-12S

0L 04/12-on

AF158-03BLK

Single Swivel Water Cross-Over Adapter - Black AF64-2187BLK Product:Suit GM LS Series Engines with -4AN Swivel Male End Stainless Steel 90° NPT MaleSingle Swivel Water Cross Over Adapter BlackSuit GM LS Series Engines with 4AN Swivel Male End AF64 2187BLK 64 2187BLK Aeroflow Performance AN steam vent adapters adapters are specifically designed for the LS series engine, these cross over adapters compliment aftermarket intakes and accessories that the factory rigid brazed hard lines will not. The lines are designed to eliminate trapped air and steam from your engine to prevent hot spots and