THIS IS BRAND NEW: DNJ® Intake Valve FITS: 99-16 Ford, Lincoln, Mercury 4.6L-6.8L V10, V8 SOHC Naturally Aspirated FITMENT NOTES: Nitride Coated, 3 Groove, 44.5mm Head Dia., 6.99mm Stem Dia., 120.7mm O.A.L., Intake, w/o BULLITT, 120.7mm O. DNJ Engine Components is a full line provider of Domestic & Japanese engine parts for cars and trucks. We carefully selected DNJ Engine Components as the sole provider. DNJ has a 30+ year track record of quality, experience, and trust. It makes sense for us to carry a brand that would help us earn customer loyalty in the long run