Products : Pistons Complete : Rolls Royce
Model		Original Bore	Ref No
1923/29	20 HP	3"	4849
1930/35	20/25 HP	3 ¼"	9354
1935/38	25/30 HP	3 ½"	7936/14826
1937/51	4256cc Silver Dawn Silver Wraith Silver Phantom 4 ¼ litre CR 6.4:1	3.5005"	14826
1952/55	Silver Dawn, Silver Wraith 4 ½ litre	3.6255"	11630
1927/31	Phantom I	4 ¼"	4047
1927/31	40/50 HP Phantom II	4 ¼"	5967
Early Cars	45/50 Hp Silver Ghost (7/8" pin)	4 ½"	2065
Later Cars	40/50 HP Silver Ghost (1" pin)	4 ½"	4949