| Also known as | E6902 |
| Diagram | Fig. 1 — CRANKSHAFT AND CONNECTING RODS · ref 13 |
| Subsystem | engine bottom |
| Listed in parts books | 1967–1969 |
Plain compression ring
A plain compression ring for the engine bottom end, Triumph part 70-6902 (also listed as E6902).
This is a plain compression ring, listed under Triumph part number 70-6902 (older parts books show it as E6902). It shows up in the crankshaft and connecting rods section of the catalog, which places it as a piston ring used inside the engine's bottom end assembly.
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Our records don't give a bore size, thickness, or a specific model tie beyond that figure listing, and the catalog appearances run from 1967 to 1969. If you're matching rings for a rebuild, bring your piston or the numbers off your bore so we can confirm this is the right one before it goes in.
Call or bring in the old ring if you have it. Compression rings look similar across a lot of applications, and getting the wrong one in a bore is a rebuild you don't want to do twice.
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