Description
Built around the requirements of Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Valves (Set of 8), this Severe Duty Performance Valves valve 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.
For Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Valves (Set of 8), 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: Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Valves (Set of 8)
- Manley Series: Severe Duty Performance Valves
- Valve Position: valve
- Product Family Detail: Severe Duty application focus
- Manufacturer Part Number: 11878-8
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.