A 3/4'' thick head deck makes the AFR head ideal for nitrous or blower applications. Will not accept rail rocker arms. Hardened pushrods required with cylinder heads p/n 033-1420 and 033-1422. High flow 2.020'' valves might require aftermarket pistons notched for valve clearance.
Installation Note: 1986 5.0L must have pistons notched for clearance.

185cc Renegade Street Cylinder Head Features:

• 100% CNC Ported Combustion Chambers
• 100% CNC Ported Exhaust Ports
• 100% CNC Ported Intake Ports
• Competition 5-angle Valve Job
• 185cc Intake Ports
• 70cc Exhaust Ports
• Bead Lock Intake Valve, 2.020'' x 4.903'' Overall Valve Length (Stud Mount Rocker Arms)
• Bead Lock Exhaust Valve, 1.600'' x 4.955'' Overall Valve Length (Stud Mount Rocker Arms)
• Bead Lock Intake Valve, 2.020'' x 5.079'' Overall Valve Length (Pedestal Mount Rocker Arms)
• Bead Lock Exhaust Valve, 1.600'' x 5.100'' Overall Valve Length (Pedestal Mount Rocker Arms)
• PAC Racing Valve Spring: 1.290'' OD Hydraulic Roller Dual Valve Spring, 135 lbs on seat, .600'' maximum lift
• 7° Manley Chrome Moly Retainers
• 7° Bead Lock Valve Keepers
• 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
• Standard 2'' Spacing Exhaust Bolt Pattern, 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.