Description
For Chevrolet LS3 / L - 99 (L - 92 Head) cylinder-head work, this Manley Severe Duty Pro Flo intake valve listing groups the available dimensional choices under one application-specific product family. The parent listing is distinguished by 2.165"; Head, which should be cross-checked against the rest of the engine combination.
For Chevrolet LS3 / L - 99 (L - 92 Head), 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 LS3 / L - 99 (L - 92 Head)
- Manley Series: Severe Duty Pro Flo
- Valve Position: Intake
- Title Specification: 2.165"; Head
- Product Family Detail: Severe Duty application focus
- Manufacturer Part Number: 12354-8
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
Confirm head diameter, overall length, stem diameter, keeper/groove style, seat compatibility, and installed-height requirements with your cylinder-head specification before ordering.
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.