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).
Parts list comparing components for different engine head configurations.
| Identifier | ExFiles\Box 103\4\ scan0118 | |
| Date | 2nd November 1934 guessed | |
| Top Reference: X5050 Column Headers: 1. CHINA. 3.250 / Production CI. Head. / Std Rockers 2. CHINA. 3.250 / Production CI. Head. / Offset Rockers 3. JAPAN. 3.000 / Alum. Turbulent Head / Std Rockers 4. JAPAN. 3.000 / Alum. Turbulent Head / Offset Rockers 5. JAPAN. 3.250 / CI Turbulent Head / Std Rockers 6. JAPAN. 3.250 / CI Turbulent Head / Offset Rockers Table Data (by row): Cylinder Block: ES5297, ES5297, ES4854, ES4854, ES6607, ES6607 Cylinder Head: ES5805, ES5085, ES4853, ES4853, ES6604, ES6604 Gasket: ES5315, ES5315, ES4880, ES4880, ES6608, ES6608 Rocker Cover: ES5330, ES5330, ES4855, ES4855, ES6609, ES6609 Inlet Valve: ES5335, ES6893, ES4949, ES6636, ES6851, ES6851 Exhaust Valve: ES3158, ES6894, ES4948, ES6637, ES6852, ES6852 Rockers: ES4159/60, ES6895/6, ES4946/7, ES6629/30, ES4946/7, ES6629/30 Pedestals: ES2961/2/3 ES5042, ES6898/9/00/01, ES4966/7/8/9, ES6632/3/4/5, ES6876/7/8/9, ES6907/8/9/10 Pedestal Studs: ES4406 ES4576, ES6891 ES4576, ES4972/3, ES6638/9, ES6825/6, ES6825/6 Rocker Shaft: ES4994, ES6897, ES4963, ES6631, ES4963, ES6631 Push Rod: ES4554, ES6892, ES4958, ES6640, ES6823, ES6823 Piston: ES6468, ES6468, ES5108, ES5108, ES6610, ES6610 Conn Rod: ES5304/5, ES5304/5, ES5114/5, ES5114/5, ES5304/5, ES5304/5 Remarks: [Empty], Valves Pedestals .050 longer, [Empty], Valves Pedestals .200 longer, [Empty], [Empty] Bottom Note: Studs ES6860-1 to suit in "China" cyl block for JI head. | ||