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 protection against salt-water corrosion. This is the head shell only and includes orings that fit into the grooves in the head shell and brass fittings. You will need to order domes, girdle kit, and exhaust bracket(if needed) below.
Order domes for the 701(up to 83mm bore size) or 760(up to 86mm) under Related Products below. When ordering domes, you must order a quantity of 2, as domes are sold individually.
Order the girdle kit below as well. Girdle kit is the same for the 701 and 760, but the 760 cylinder will require machining for clearance to be able to use all of the girdle studs.
Optional pipe bracket available for 701 exhaust systems that mounts to the head. The stock exhaust will have clearance issues with the girdled head shell and will require modifying the stock bracket/exhaust to clear the front exhaust side corner of the girdle head shell. See related products below.
Pipe bracket NOT available for the stock 4-bolt 760 exhaust system.
Please Note: ADA Racing billet heads/domes use standard reach NGK ES spark plus, ie BR8ES or BR9ES depending on compression. Higher compression requires colder spark plug(BR9ES). But this can also depend on ignition timing.
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