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The Manley LS1 2.020-inch intake valve kit (4.874 in overall, 0.3133 in stem, hollow stem) is part of the Race Series tailored for engines up to 8,000 RPM. Swirl‑polished underheads and fully machined combustion faces promote better airflow and combustion. Constructed from stainless steel with chrome stems and hard tips, the valves offer enhanced durability and are available in different shapes to suit specific race engine needs, including alcohol applications.
Manley Chevrolet LS1intake Valve Kit - 2.020in Head Dia. 4.874in O/A Length, 0.3133in Stem
