
Product Discontinued
FORD PERFORMANCEPART NUMBER: 397-M-6049-X303
Ford 289-351W GT-40X Aluminum Cylinder Head 178cc Intake Ports
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- Ford 289-351W GT-40X Aluminum Cylinder Head
- 178cc Intake Ports
- 64cc Combustion Chambers
- 1.940'' Int/1.540'' Exh Valves
- Assembled, Sold Individually
Complete head includes GT-40 valve train kit 397-M-6090-X302 featuring stainless steel valves. The valve springs are compatible with all Ford Racing roller camshafts.Specifications:
- Material: 356-T6 Aluminum
- Chamber Size: 64cc
- Intake Volume: 178cc
- Intake Valve Dia.: 1.94'
- Intake Flow: 240 cfm @ .550' Lift
- Exhaust Volume: 62cc
- Exhaust Valve Dia.: 1.54'
- Exhaust Flow: 170 cfm @ .550' lift
- Spark Plugs: AGSF-32C or equivalent
- Will not fit 1986 5.0L with flat top pistons unless pistons are notched for valve relief
- Must use bolt kit 397-M-6065-D289 to install cylinder heads on 289/302 blocks or head bolt kit 397-M-6051-A50 and intake gasket 397-M-9439-A50/51
- Check rocker arm clearance to valve spring with production rocker arms
- Check your intake manifold for port match, not all intakes are compatible due to the tall high-flow ports
- Must use 397-M-9439-A50 intake gasket
BrandFORD PERFORMANCE
Package Height7.5
Package Width10.0
Package Length21.8
Weight26.4 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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