| Also known as | E6893 |
| Diagram | Fig. 1 — CRANKSHAFT AND CONNECTING RODS · ref 12 |
| Subsystem | engine bottom |
| Listed in parts books | 1967–1970, 1974 |
Taper compression ring
A taper-faced compression ring for the piston, cataloged under crankshaft and connecting rod parts, also listed as E6893.
70-6893 is a taper compression ring, part of the piston ring set that lives in the cylinder and works with the crankshaft and connecting rod assembly to seal combustion pressure and control oil. It's cataloged under the CRANKSHAFT AND CONNECTING RODS figure and also carries the older E6893 form for anyone working from a pre-metric parts book.
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This ring shows up in Triumph catalog records spanning 1967 through 1974, appearing across seven catalog listings. As with any ring, it's sold as part of a matched set with the other rings for that piston, so check what else your engine needs before you order just the one.
If you're rebuilding a top end, have your bore size and piston in hand before ordering, since ring sets are typically offered in standard and various oversizes for regrinds. Give the shop a call if you're not sure which set matches your cylinder.
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