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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Head Specifications
Universal Billet Bonnet Adjusters with 5/16" UNC Thread
D - Silver Finish
Measuring Rim: 4"
Aeroflow now offer a powerful performance upgrade for the GM LS Engine
-4AN WATER CROSS-OVER ADAPTER - BLACK Category_INJECTOR LOOM ADAPTERS Head Specifications4AN Water Cross Over Adapter Black Suit GM LS Series Engines 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 overheating. The adapter O ring seals converts to 4 AN plumbing.