Description
If you’re building a high-revving LS1 engine that demands precision at every valve event, OEM intake valves won’t cut it. Manley’s Race Series intake valves are engineered to handle sustained high-RPM abuse while maintaining consistent sealing and flow characteristics—essential for extracting maximum horsepower and reliability from your forced-induction or naturally aspirated setup. This complete set of eight delivers the quality and durability expected in professional racing applications.
- Intake valve
- Race Series grade
- 2.020 in head diameter
- 5/16 in stem
- 4.874 in length
- Stainless steel construction
- GM LS-Series fitment
- Set of 8 valves






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