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THE FAST, EASY WAY TO BOLT ON 65 HORSEPOWER! TRUE BOLT-ON PERFORMANCE

For use on 289/302/351 Windsor-style engines

Improved air flow over original GT-40 aluminum heads

Intake flows approximately 240 cfm at .550" lift (at 28" of H20)

Exhaust flows approximately 170 cfm at .500" lift (at 28" of H20)

Machined for 1.94" Intake and 1.54" exhaust valve diameters

Unlike some aftermarket heads our GT-40 heads use either GT-40 or aftermarket performance: intake manifolds, headers, and valve covers

Intake port volume 178cc, exhaust port volume 62cc

High temperature exhaust valve seats. Thick deck for 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. Can be machined for diagonal exhaust header flange mounting

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

These GT-40 style heads use AGSF-32C spark plugs

Each GT-40X head is leak tested prior to assembly

Head assembly consists of bare head M-6049-X302/X304 and GT-40 valve train kit M-6090-X302 featuring stainless steel valves. The valve springs are compatible with all Ford Racing roller camshafts

This sale is limited to inventory on hand so get yours now!
 
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