Ferrea precision-machined valve guides for the Chevrolet LS1, suitable for both intake and exhaust positions. Sized at .3138in inside diameter, .502in outside diameter, and 2.000in length, they are a quality upgrade over worn factory guides for a rebuild or built engine. Sold as a set of 8.
Specifications
| Type | Valve guides |
| Valve side | Intake and exhaust |
| Engine | Chevrolet LS1 |
| Inside diameter | .3138in |
| Outside diameter | .502in |
| Length | 2.000in |
| Sold as | Set of 8 |
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