| Diagram | Fig. 4 — CYLINDER BLOCK AND HEAD · ref 23 |
| Subsystem | engine top |
| Listed in parts books | 1983 |
Outer valve spring
Outer valve spring for the cylinder head, part 71-7455.
71-7455 is the outer valve spring listed in the cylinder block and head section of the parts book. It's one of the two springs (inner and outer, working together) that close the valve behind the cam's action and keep the valve seated when the cam isn't pushing on it.
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Our catalog record for this one only ties it to a single model year in the parts book, so if you're matching an engine outside that listing, check the spring against what's actually in your head before you order.
If you're replacing one valve spring on a head, it's worth pulling the rest while you're in there to check them all for fatigue, since they've likely seen the same miles.
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