i have a set of Rebuilt BBC 990 heads i would like to trade for a Whirlaway if anyone has one for a Casale 10 degree box .. the heads came from a Boat i just bought they are Rebuilt and not used yet since rebuild .. these are stock Porting on them they havent been modified .. if i was keeping the engine i would use these but i have a motor already with a pair of Merlins already ported so i have no use for these so if someone has a Whirlaway i Would love to trade for it . Bill