These stainless Valves for your Jeep� or Truck Magnum Engine have swirl-polished underheads that have no flat or ski jump areas. They feature a 8 mm stem and 1 square groove.

1.97" Diameter, 4.91" Stem Length, 2.5L, 3.9L, 4.0L, 5.2L, 5.9L