| Also known as | E3332 |
| Diagram | Fig. 4 — CYLINDER BLOCK AND HEAD, 6T · ref 2 |
| Subsystem | engine top |
| Listed in parts books | 1960–1962 |
BARREL 8 STUD 650 TRIUMPH
Cast iron 8-stud cylinder barrel for the pre-unit 650 Triumph twin, standard bore, matches the 8-hole cylinder head.
This is the cylinder barrel for the pre-unit 650 Triumph twin, the 8-stud version that bolts up to the earlier 8-hole cylinder head. It's cast iron, finished on standard bore, and carries the two bores that the pistons run in along with the studs that clamp the head down. If your engine has the 8-hole head pattern, this is the barrel that goes with it - the later 9-hole head design used a different barrel and the two aren't interchangeable.
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Because this is new production rather than a used take-off, it comes finished on standard bore and may need a finish hone before you drop pistons in. It ships with a gloss black finish on the outside. Worth checking your head and studs against the 8-hole pattern before you order, since head and barrel have to match up.
We've seen this cross-referenced as E3332 in some older records, same physical part.
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