| Also known as | 68-151 |
| Diagram | Fig. 1 — CYLINDER HEAD · ref 33 |
| Subsystem | engine top |
| Listed in parts books | 1969–1972 |
BSA Exhaust rocker (left-hand)
Left-hand exhaust rocker arm for the cylinder head, part number 68-0151, tied to the A65 engine family.
This is a left-hand exhaust rocker arm, part number 68-0151, listed under the CYLINDER HEAD and CYLINDER HEAD — ROCKERS sections of the parts books. It's a rocker arm that lives in the cylinder head, riding on the rocker shaft and transferring motion from the pushrod down to the exhaust valve.
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The catalog title we've cross-referenced ties this specifically to the A65 engine, so if you're working on something in that family, this is the exhaust-side rocker for the left-hand side of the head. Catalog appearances for this number run from 1969 to 1972, though we'd want to confirm the exact application against your particular head before you order.
Rocker arms wear at the pad where they contact the valve tip and at the bushing or bearing surface where they pivot on the shaft, so if you're pulling the head apart for a rebuild it's worth inspecting this one closely alongside its intake counterpart and the shaft itself.
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