Engine:262 to 400, 90 deg. Pipe Fitting Series:Deck Plug Kit. Upper cylinder wall distortion is greatly reduced when these 3/4" NPT plugs are installed in the water passage holes in the decks of Small Block and 90° V6 Chevy engines.
Moroso Pipe Fitting 39152; NPT Plug Chrome Steel 3/8 NPT, Internal Allen, 4pcs
Moroso Pipe Fitting 22728; NPT Bung
Moroso Pipe Fitting 23970; Weld-in Inspection Bung Raw Steel 1 in. NPT Female
All Tool Depot Metals Brass Pipe Fitting, Hex Nipple, 1/4" x 1/4" NPT Male Pipe
All Tool Depot Metals Brass Pipe Fitting, Hex Nipple, 3/8" x 3/8" NPT Male Pipe
All Tool Depot Metals Brass Pipe Fitting, Hex Nipple, 3/4" x 3/4" NPT Male Pipe