Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem

The Manley Performance Race Master is a set of 8 intake valves designed for Small Block Chevy engines. These valves are constructed from NK-842 stainless steel with chrome stems and hardened valve tips for durability and wear resistance. They feature a 1.940-inch head diameter and a 0.3110-inch stem diameter, with an installed height that is 0.100 inches longer than stock.

The valves are swirl polished and fully machined to improve flow and efficiency. Manley specifically notes that these .311" stem valves are only compatible with Bead Loc® keeper grooves, and Bead Loc® valve locks are required for installation.