Product Overview
Assembled Ready For Installation, Exhaust Valve Diameter 42.4mm (1.670 in.), Flow Data (CFM) 28 in. H20 On 4.250 in. Bore, For Left Side Please See M-6050-Sd73P, CNC Ported Cast Aluminum, As Used In The Ford Performance Megazilla™ 615HP Crate Engine, 62.4 CC Combustion Chamber, PAC 1282LX Valve Springs/Pac R393 Retainers, 140-150No. Lbs 2.350 in. Installed Height, 390-415No. 1.750 in. Open, Valve Stem Diameter 8 mm, Intake Valve Diameter 55mm (2.165 in.)
