With lightweight 8mm diameter stem 2.050'' intake valves, 1.600'' exhaust valves, 58cc or 72cc combustion chambers, and 70cc exhaust ports which are raised .125'' higher than stock. AFR's new 195cc Ford cylinder heads are designed for 367-392 cid engines operating from 2000 rpm to 7000 rpm. A 3/4'' thick head deck makes the AFR head ideal for nitrous or blower applications. Exhaust port and bolt pattern are raised .125'' (1/8'') higher than stock, this rarely affects header or chassis fitment. Will not accept rail rocker arms. Hardened pushrods required. High flow 2.050 valves might require aftermarket pistons notched for valve clearance. .
Installation Note: 1986 5.0L must have pistons notched for clearance.

195cc Renegade Street/Strip Cylinder Head Features:

• 100% CNC Ported Combustion Chambers
• 100% CNC Ported Exhaust Ports
• 100% CNC Ported Intake Ports
• Competition 5-angle Valve Job
• 195cc Intake Ports
• 70cc Exhaust Ports
• Bead Lock Intake Valve, 2.050'' x 4.903'' Overall Valve Length
• Bead Lock Exhaust Valve, 1.600'' x 4.955'' Overall Valve Length
• PAC Racing Valve Spring: 1.270'' OD Hydraulic Roller Dual Valve Spring, 155 lbs on seat, .650'' maximum lift
• 7° Manley Chrome Moly Retainers
• 7° Bead Lock Valve Keepers
• 3/8'' Rocker Studs
• Adjustable 5/16'' Guide Plates
• Viton Valve Seals
• Hardened Spring Cup
• Intake Valve Seats
• Exhaust Valve Seats
• Bronze Valve Guides
• Thermactor Air Injector on Emissions Legal Heads Only
• Dual Exhaust Bolt Pattern - Standard 2'' and 3'' Spacing for Larger O.D. Headers, Accepts Factory and Aftermarket Headers
• Use 14mm x 3/4'' reach gasketed (NOT tapered) seat plugs
  
  
  

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  Emission legal cylinder head features 5/8''-11 through hole used for connecting emissions equipment (firewall side). Requires supplied thermactor reducer (x2) to mount alternator/accessory brackets. Confirm orientation of plug prior to installing cylinder head.