Metering Block/Fuel Bowl Gasket Kit HO108-200 Product:Fits Holley 4150 Series, Blue Non-Stick, two of 108-89 & 108-83 They are 11/16"-18 right and

They are 11/16"-18 right and left (Ford) threads that offer a +- 3/8" of adjustment and cut extra deep so they can be shortened 1/4" if needed

AF829-06-06BLK

660" Lift Dual Valve Spring Kits include everything you need to install dual springs onto a high performance LS with no machine work required

one for the return line

Coolant can be circulated with the cap removed - without overflowing

Metering Block/Fuel Bowl Gasket Kit HO108-200 Product:Fits Holley 4150 Series, Blue Non-Stick, two of 108-89 & 108-83 They are 11/16"-18 right andMetering Block Fuel Bowl Gasket KitFits Holley 4150 Series, Blue Non Stick, two of 108 89 & 108 83 HO108 200 108 200 Fuel Bowl and Metering Block Gaskets Features: Blue Non Stick 2 Of PN 108 89 2 of PN 108 83