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Ford Racing GT-40 Cylinder Heads M-6049-Y303

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Cylinder Head, GT-40, Aluminum, Assembled, 64cc Chamber, 160cc Intake Runner, Ford, 289/302/351W, Each

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Ford Racing GT-40 Cylinder Heads

Part Type: Cylinder Heads
Brand: Ford Racing
Manufacturer's Part Number: M-6049-Y303
Part Type: Cylinder Heads
Product Line: Ford Racing GT-40 Cylinder Heads
Summit Racing Part Number: FMS-M-6049-Y303

Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 64
CNC-Machined Combustion Chamber: No
Intake Runner Volume (cc): 160cc
Exhaust Runner Volume (cc): 53cc
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Standard
Intake Valves Included: Yes
Intake Valve Diameter (in): 1.940 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.540 in.
Valve Springs Included: Yes
Outside Diameter of Outer Spring (in): 1.500 in.
Damper Spring Included: No
Number of Springs Per Valve: Single
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Valve Stem Seal Style: Umbrella
Rocker Arm Studs Included: No
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: No
Accessory Bolt Holes Drilled: Yes
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Steel
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold individually.
Notes: Designed for bolt-on rocker arms.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

The Ford Racing GT-40 "X" or "P" high flow cylinder heads flow 185 cfm of air right out of the box, giving your small block Ford greater power potential. Designed for Ford 289-351W engines, the complete assemblies have 60cc combustion chambers, 1.84 in. intake/1.46 in. exhaust valves, and work with stock or aftermarket intakes, rockers, and valve covers.


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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