Mustang Ford Racing Super Cobra Jet Cylinder Head - Assembled With Dual Springs
Part Number: M-6049-SCJA
Ford Racing Super Cobra Jet Cylinder Head for Ford Mustangs, Assembled with Dual Springs.
-Fits 429 and 460 ci engines (except BOSS 429) -Revised valve angles and locations to reduce cylinder wall shrouding and improve flow -Redesigned combustion chambers to accommodate the more centrally located valves -Standard Cobra Jet intake and exhaust manifolds bolt on
-Current valve covers fit -2.200" intake valve, 1.76" exhaust valve -Flows approximately 330 CFM intake and 225 CFM exhaust -72cc combustion chambers -290cc intake runner, 148cc exhaust runner -25-50 HP increase over Ford Racing aluminum Cobra Jet heads depending on displacement and camshaft -Uses Motorcraft AGSP series spark plugs -NOTE: If replacing Ford Racing or production Cobra Jet heads, new intake valve notches are required