【Dual-Threaded Design】Includes 1× 9/16"-18 and 1× 1/2"-20 inverted flare nuts for sealing unused master cylinder ports (4-port compatible). 1× 1/2"-20 Inverted Flare Nut. 1× 9/16"-18 Inverted Flare Nut.
Brake Fluid Reservoir Grommets, Pair / Master Cylinder Plugs – 113611817A
(2pc) Zinc Master Cylinder Hex Plugs 7/16"-24 Inverted Flare Nut Port Block Off
GM Master Cylinder Side Plugs Inverted Flare 9/16"-18 1/2"-20 Nut Port Block Off
Master Cylinder Side Plugs For 9/16"-18 1/2"-20 Inverted Flare Port Block Off
GM Master Cylinder Side Plugs 9/16"-18 1/2"-20 Inverted Flare Nut Port Block Off
CPP Pair of Master Cylinder Port Plugs Steel 3/8 x 24
