Ford Performance Parts Ford Racing Super Cobra Jet Cylinder Head Assembled with Dual Springs

Super Cobra Jet Cylinder Head Assembled With Dual Springs W/damper

• Fits 429 and 460 ci engines (except BOSS 429)
• Valve angles and locations designed to reduce cylinder wall shrouding and improve flow
• Combustion chambers designed to accommodate centrally located valves
• Production 429 Cobra Jet intake and exhaust manifolds bolt on
• Production Ford 429/460 valve cover bolt pattern 
• M-6582-C460 Ford Performance Valve Covers recommended 
• 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
• Assembled with solid roller springs: Closed seat pressure 240# @ 1.900"; Open seat pressure 625# @ 1.200"; Max lift .650"
• Machined 10-degree locks and steel valve spring retainers, premium valve seals
• Uses Motorcraft AGSP series spark plugs