| Diagram | Fig. 1 — CYLINDER AND CRANKSHAFT · ref 8 |
| Subsystem | engine bottom |
| Listed in parts books | 1968–1970 |
BSA Rocker box
A BSA rocker box (valve gear cover) listed once in the cylinder and crankshaft parts-book figure.
70-7911 is a rocker box, the housing that sits over the top of the cylinder head and covers the rocker gear on the valve train. Our catalog record has it turning up once, in the CYLINDER AND CRANKSHAFT figure, and that's about as much detail as we have to go on for this one.
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The manufacturer tag we have on file says BSA, and there's nothing in the description or figure title that contradicts that, so we're treating it as a BSA rocker box rather than a Triumph piece.
Given how thin our record is here, we'd rather be straight with you than guess. Call the shop with your engine details in hand and we'll confirm this is the right rocker box before you order.
Sorry if we got something wrong here. If you think this information isn't correct, .