Description
For Noonan Race Engineering - NRE - X1 Pro Mod cylinder-head work, this Manley Titanium exhaust valve listing groups the available dimensional choices under one application-specific product family. 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 Noonan Race Engineering - NRE - X1 Pro Mod 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: Noonan Race Engineering - NRE - X1 Pro Mod
- Manley Series: Titanium
- Valve Position: Exhaust
- Manufacturer Part Number: 12203B-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
Before purchase, compare the selected valve dimensions with your head manufacturer or engine builder’s specification, including stem diameter, valve length, seat diameter, and keeper arrangement.
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.