These Trick Flow® 5.0L Box R-Series EFI NOS hardware kits include the hardware that you need to run nitrous with your Trick Flow® manifold.Kits include:* Six 5/16-24NF 12 pt. nuts* Two 12 pt. bolts 5/16-18 x 7 in. long* Two TFS R-Series upper/lower flange gaskets* Six 5/16 x 2 in. long studs* Ten 1/4-20 x 1 1/4 in. long button head screws* One flange plate gasket

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