Description
For Chevrolet Big Block cylinder-head work, this Manley Race Series exhaust valve listing groups the available dimensional choices under one application-specific product family. The parent listing is distinguished by 1.880"; Head, which should be cross-checked against the rest of the engine combination.
If the Chevrolet Big Block cylinder head has been ported, fitted with oversized seats, or changed from its original valvetrain layout, confirm the required valve measurements after machining rather than using a stock-size assumption.
Key Product Details
- Application: Chevrolet Big Block
- Manley Series: Race Series
- Valve Position: Exhaust
- Title Specification: 1.880"; Head
- Product Family Detail: Race Series application focus
- Manufacturer Part Number: 11881-8
Package Quantity
Set of 8 valves. The selected configuration is supplied as a 8-piece valve package. This quantity applies to the selected Manley SKU family shown on this product page.
Selection & Fitment Notes
Valve fitment should be verified from the cylinder head itself; check the required head size, stem size, overall length, seat work, and valvetrain geometry rather than relying on engine name alone.
Professional engine assembly and measurement are recommended. Product specifications should be confirmed against the selected Manley part number and the requirements of the exact engine build.