Ferrea 6000 Series Valve Stainless Intake 2.000" Head 0.314" Valve Stem 4.900" Long - GM LS-Series - Set of 8 Race Shoes 90 Degree Plug Boots

90 Degree Plug Boots

1983-1986 Mercury Marquis

One 1/2 in NPT Outlet

They utilize dual O-ring seals

Ferrea 6000 Series Valve Stainless Intake 2.000" Head 0.314" Valve Stem 4.900" Long - GM LS-Series - Set of 8 Race Shoes 90 Degree Plug BootsProduct Description: Intake Valve 6000 Series 2. 000 in Head 0. 3135 in Valve Stem 4. 900 in Long Stainless GM LS Series Set of 8 Ferrea Racing Components are engineered to excellence! For decades, Ferrea Racing Components has been manufacturing hard core racing components for various types of engines in a wide range of categories worldwide. Ferrea uses the latest technological advances gained through the development of engine valve programs for