The Manley 2.100-inch intake valve (4.874 in overall, 0.3133 in stem, hollow stem) from the Severe Duty® family is designed for high‑temperature, high‑stress gasoline engines. Constructed from exotic alloys that deliver superior tensile strength and proven fatigue life, each valve includes swirl‑polished underheads, fully machined combustion faces, chrome stems and hard tips to optimize airflow, durability, and reliable service in extreme racing applications.
Manley Chevrolet LS1intake Valve Kit - 2.100in Head Dia. 4.874in O/A Length, 0.3133in Stem