Ford Racing Pedestal Mount Gt-40 Turbo Swirl Cylinder Head for small block ford engines.**Small block Ford engines refers to 289 / 302 / 351 Windsor engines. If using on a 289 or 302 engine, head bolt bushings must be used.
-58CC Combustion Chamber Volume
-Intake flows approximately 240 cfm at .550" lift (at 28" of H20)
-Exhaust flows approximately 170 cfm at .500" lift (at 28" of H20)
-Features 1.94" Intake and 1.54" exhaust valve diameters
-Intake port volume 178cc
-Exhaust port volume 62cc
-High temperature exhaust valve seats
Thick deck provides improved sealing, increased section thickness in critical areas for porting, and webbed rocker bosses for improved strength. Designed for bolt-on rocker arms, machined for tapered seat spark plug or gasketed. Compatible with Ford Racing intakes, headers, and valve train components.
High quality original equipment style 356-T6 aluminum castings, machining and components. Each aluminum head weighs approximately 22 lbs. ? approximately 25 lbs. lighter than each cast iron GT-40 head.
Designed to be used on Ford Racing Boss blocks M-6010-BOSS302 or M-6010-B302BB block with head gasket M-6051-CP331. Check your intake manifold for port match, not all intakes are compatible due to the tall high-flow ports. Must use M-9439-A50 intake gasket.
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