Description
Built around the requirements of Big Block Ford 429 - 460 1.880"; Diameter, this Race Master exhaust valve family gives engine builders a focused way to select the dimensions their cylinder-head combination calls for. Use the exact Manley part number shown below to distinguish this product from similar valves offered for the same or related engine family.
The correct Big Block Ford 429 - 460 1.880"; Diameter valve is the one that matches the finished head. Stem clearance, seat contact, installed height, spring package, and keeper location should all be checked during assembly.
Key Product Details
- Application: Big Block Ford 429 - 460 1.880"; Diameter
- Manley Series: Race Master
- Valve Position: Exhaust
- Product Family Detail: Race Series application focus
- Manufacturer Part Number: 11591-8
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.