Race Master Intake ValveSmall Block Chevy2.080 Diameter11/32 (0.3415) Stem Diameter4.940 Overall Length (Stock)Stainless Steel1/pkg. Type: Intake Valve NK-842 MaterialHead Diameter: 2.080Stem Diameter: 11/32 / 0.3415Installed Height: StockOverall Length: 4.940Tip Length: 0.290Underhead Angle / Radius: 12° x 3/8Margin: 0.065Seat Width: 0.080Top of Head: 7° DishWeight / Grams: 124