Isto é que era giro

[Lancisti]

FIAT & LANCIA 1585cc/1756cc/2000cc T.O.H.C.
 CYLINDER HEADS;
STAGE I AVANTI FORMULA CYLINDER HEAD.................... £ 350.00
STAGE II AVANTI CYLINDER HEAD FULLY PORTED, POLISHED, & FLOWED
WITH 43.70mm/36.00mm VALVES............................. £ 450.00
STAGE III AVANTI CYLINDER HEAD AS ABOVE WITH 45.00mm/38.00mm
VALVES.................................................. £ 898.00