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The Manley LS1 2.000-inch intake valve kit (4.874 in overall, 0.3133 in stem, hollow stem) is a Race Series component engineered for bracket, drag, and oval track engines operating under 8,000 RPM. Swirl‑polished underheads and machined combustion faces enhance flow and efficiency. Stainless steel construction with chrome stems and hard tips improves durability, and multiple valve shapes allow selection that best suits a racing or alcohol engine application.
Manley Chevrolet LS1intake Valve Kit - 2.000in Head Dia. 4.874in O/A Length, 0.3133in Stem
