Shelby/AFR 289/351 205cc Completed Cylinder Heads (Pair)

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  • Regular price $2,867.00

If you’re looking for a solid pair of street/strip heads for your performance vehicle, the Shelby/AFR 205cc aluminum cylinder 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 volume at 58cc accompanied by 70cc exhaust ports which are raised .125 higher than stock, The Shelby 205cc is the ultimate choice for 331 through 427 engines operating from 3500 RPM to 8000 RPM.

Bare heads:  
Head Material A-356,T6 aluminum
Valve diameters 2.08-inch intake;1.60-inch exhaust.
Combustion chamber 58cc
Valve guides 8mm; manganese bronze material.
Exhaust port bolt Dual pattern
Air flow, intake 310cfm w/28-inch @.700 lift
Air flow Exhaust 233cfm w/28-inch @.700 lift
Intake port volume 205cc
Exhaust port volume 70cc

Complete Heads include:
Valves Premium 1-piece stainless steel, swirl polished w/ undercut stems
Valve stem seal type Teflon, positive seal
Valve springs High silicon dual springs
Valve retainers 4130 steel
Valve locks 7-degree,machined
WARNING: Cancer and Reproductive Harm –