This is a new 6 cylinder head suitable for all Austin Healey 100/6 and 3000 applications. It is an alloy replica of the Works competition head, and also features lead free seats and high silicone valve guides. The chamber volume is 52cc. Features lead free valve seats for use with unleaded fuel, high silicone bronze valve guides to minimize wear and improve heat dispersion and has 70cc combustion chamber volume. Comes with valve and valve springs installed not pictured . The benefits of an alloy head are:1 Lighter than cast iron original 2Easier to modify if needed 3Better and more consistent head dissipation4Available brand new.This is a Fast Road head, which is fully assembled and polished and ported on the intake side.Which means it is a bolt on replacement for the stock head, and the porting means it will breathe better releasing a few for BHP, although the real benefits will not be seen until a set of Weber DCOEs. Part #: XX-0075

Part #: XX-0075