Performance inlet valve to fit 2000 engines. 46mm diameter head - the largest size you can fit with normal spark plugs. 8mm valve stem diameter for improved air flow, 45 degree seat angle for improved top end power. Requires 8mm valve guides & oil seals (part number EN595 + EN602), spring retainers (EN600) and cotters (EN591). Price is per valve.
Classic Alfa production made in UK by leading valve manufacturer.