If you're looking for the world's finest street/strip head available, AFR's 205cc aluminum cyilnder head is your answer. With lightweight 8mm 2.080 intake valves, 1.600 exhaust valves this head moves tremendous volumes of air through conservative runner volumes, spelling big torque and horsepower numbers. With combustion chamber volumes of 58cc or 72cc accompanied by 70cc exhaust parts which are raised .125 higher than stock, AFR's new 205cc is the ultimate choice for 331 through 392 engines operating from 3500 RPM to 8000 RPM. AFR's trademark 3/4" thick head deck makes them ideal for heavy nitrous or blower applications. With available optional nitrous or blower exhaust ports featuring 73cc ultra high flowing exhaust ports.

• 100% CNC Ported Combustion Chambers
• 100% CNC Ported Exhaust Ports
• 100% CNC Ported Intake Ports
• 3-angle Radiused Valve Job
• Bead Lock Intake Valve, 2.080" x 100L
• Bead Lock Exhaust Valve, 1.600" x 100L
• 1.550" OD Roller Dual Valve Spring w/ dampener, 225 lbs on seat, .710" maximum lift
• 10° Chrome Moly Retainers
• 10° Bead Lock Valve Keepers
• 7/16" Rocker Studs
• 5/16" Guide Plates
• Viton Valve Seals
• Hardened Spring Seat
• Intake Valve Seats
• Exhaust Valve Seats
• Bronze Valve Guides