Blue Oval Performance store: , ,

AFR`s 205cc "Competition" cylinder heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for race applications and very agressive street/strip builds operating up to 7400 RPM. Maximum intake flow potential @0.750" lift is 331 CFM.

Specifications & Features:

Material - A356 Aluminum
Intake Port Volume- 205cc
Intake Port Dimension- 2.115" H x 1.300" W x 3/8 Radius
Intake Port Location- Stock
Exhaust Port Volume- 70cc
Exhaust Port Dimension- 1.400" H x 1.400" W
Exhaust Port Location- Raised .125"
Combustion Chamber Size- 58cc or 72cc
Valve Cover Bolt Pattern- Perimeter Bolt
Valve Angle- 20°
Valve Spring Pocket Diameter- 1.580" O.D
Max Valve Spring Pocket Machining - 1.625" O.D
Deck Thickness - .750"
Minimum Bore Diameter- 4.000"
Flat Mill- .006" per cc 54cc Max (from 58cc); 68cc Max (from 72cc);
Angle Mill - .009" per cc 48cc Max (from 58cc); 62cc Max (from 72cc);
Minimum Cross Sectional Area- 2.165 sq. in.
Spark Plug Dimensions - 14mm x .750" w/Gasket Seat
Head Bolt Diameter- 1/2"




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