| Also known as | I154A |
| Diagram | Fig. 1 — CRANKSHAFT AND CONNECTING RODS · ref 16 |
| Subsystem | engine bottom |
| Listed in parts books | 1974 |
CRANKSHAFT SPACER T100 - Replaces 70-9505 70-4006
Crankshaft spacer for the Triumph T100, PN 71-2664, replaces older factory numbers 70-9505 and 70-4006.
This is a crankshaft spacer for the T100 engine, part number 71-2664, appearing in the parts book under the CRANKSHAFT AND CONNECTING RODS figure. It's a bottom-end component that sits down in the crankcase where the crankshaft assembly is fitted together, taking up its position on the shaft to keep things located correctly during assembly.
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The catalog shows this number replacing two earlier factory numbers, 70-9505 and 70-4006, so if your parts book lists either of those older numbers for the same location, this is the current equivalent. It also carries the legacy alias I154A from an older numbering scheme.
The catalog record ties this to the T100 line specifically. Beyond that we don't have more detail on it here, so if you're not certain your crank assembly calls for this exact spacer, give the shop a call before you order.
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