Internal Allen Head Pipe Plug Fitting 1/4" NPT Black Anodized Pinit $3.80 SKU: PCE331.1038 We offer every pipe plug to fill your needs. Be it your nitrous system or intake manifold, we offer different sizes, quantities, and finishes to close the unused holes. Quantity -+ Add to Cart Details Brand:SpeedmasterPart Number:PCE331.1038Part Type:Plug and Cap FittingFitting Size :1/4" NPTHead Style:Internal AllenHex Key Size:6mmFitting Material:... DetailsBackDetailsBrand:SpeedmasterPart Number:PCE331.1038Part Type:Plug and Cap FittingFitting Size :1/4" NPTHead Style:Internal AllenHex Key Size:6mmFitting Material:SteelFitting Finish:Black AnodizedQuantity:Sold Individually.NotesAvailable in 3/8 NPT, 1/4 NPT, and 1/8 NPTSee MoreSee Less