From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
List of new and replacement engine components with their corresponding part numbers.
| Identifier | ExFiles\Box 169\4\ img146 | |
| Date | 16th July 1933 | |
| -4- Connecting Rods IOP.M.100154. New set of Bl. End Bearings E.100028 (White metal) fitted to existing Rods E.100026/7 (Forged Type.) Pistons IOP.M.100158. New set of Piston Rings E.100037/8 fitted to existing E.100565 Pistons. Cylinder Head IOP.M.100881 - Lec.3306. The following New parts fitted incorporating. Lec.3306 - Strengthened Exhaust Valve. E.100931 Cylinder Head 6-1 Ratio. E.100926 Exhaust Valve Guides. E.1000F1 Inlet Valve Guides. Valves & Fittings IOP.M.100804 - Lec.3305. The following New parts fitted incorporating. Lec.3305 - Strengthened Exhaust Valves. E.100928 Exhaust Valves-(c/SLV.) E.100927 Bottom Washers-Exhaust Valve. 2.100929 Valve Stem Packings- Exhaust Valve. Lec.3352 - Strengthened Push Rods. R.100665 Push Rods. Strengthened Bridge Pieces produced in 14 SWG.(.080.) replacing 15.No.(.072.) E.100195 Bridge Piece. Existing E.100086 Inlet Valve (S/STD.) Camshaft IOP.M.100112 - Lec.3223. New Camshaft E.100883 107º. E.100892 Cam Form. replacing E.100882 Camshaft 105º. Existing E.100110 Cam Wheel(I/C.) -continued- | ||