Description
All ADA Racing billet heads are made from 6061-T6 aluminum and CNC machined in-house for consistency and performance. The head shell is then anodized for durability and protection against salt-water corrosion.
This listing includes the head shell, O-rings that fit into the head shell grooves, and brass fittings.
Please Note: ADA Racing billet heads/domes use standard reach NGK ES spark plus (BR8ES or BR9ES) depending on compression. Higher compression requires colder spark plugs (BR9ES). This can also depend on ignition timing.
Aftermarket flame arrestors are required, as the water outlets are in the intake side of the ADA head and they will interfere with the stock airbox. You can also rotate the stock air box 180 degrees in some cases.
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