Description
Built around the requirements of Chevrolet LS1/LS2 Small Block 1.575, this Severe Duty Pro Flo 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.
For Chevrolet LS1/LS2 Small Block 1.575, 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 LS1/LS2 Small Block 1.575
- Manley Series: Severe Duty Pro Flo
- Valve Position: Exhaust
- Product Family Detail: Severe Duty application focus
- Manufacturer Part Number: 11675-8
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.