Description
Manley packages these Severe Duty intake valves for Big Block Ford 429 - 460 2.400"; Diameter around the measurements that matter during cylinder-head setup, rather than treating every valve size as a separate shopping path. Use the exact Manley part number shown below to distinguish this product from similar valves offered for the same or related engine family.
For Big Block Ford 429 - 460 2.400"; Diameter, valve diameter changes can alter seat work and chamber/shrouding relationships, while alternate overall lengths can change installed height and rocker geometry.
Key Product Details
- Application: Big Block Ford 429 - 460 2.400"; Diameter
- Manley Series: Severe Duty
- Valve Position: Intake
- Product Family Detail: Severe Duty application focus
- Manufacturer Part Number: 11590-8
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
Use the finished cylinder-head setup as the authority for selection. Oversize valves or alternate lengths may require machining and can affect installed height and valvetrain geometry.
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.