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Vehicle Info NeededEDELBROCKPART NUMBER: 350-77409
Victor 24° Aluminum Cylinder Head for Big Block Chevy
$1,48199
Ships on 09/18/2026
Lowest Price GuaranteeVictor 24° Aluminum Cylinder HeadsRectangular Intake Ports: 340cc
- Big Block Chevy 396-502ci
- Port Volume: 340cc/128cc
- Valve Springs for Mechanical Roller
- Valve Size: 2.30"/1.90"
- 119cc Combustion Chamber
- Assembled, Sold Individually
- Rolled-over deck
- Altered valve locations
- Partially CNC'd chambers for cost-effective performance
- A356 aluminum casting heat treated to T6 specifications
- Extra thick deck and extra material in the spring pockets for use with high-lift camshaft and heavy spring combinations
- Exhaust port exits are raised .534" for impressive flow and great power on competition big blocks with 4.470" or larger bore
- Includes Manley dual valve springs and titanium retainers
Combustion Chamber Volume: 119cc Intake Runner Volume: 340cc Exhaust Runner Volume: 128cc Intake Valve Diameter: 2.30' Exhaust Valve Diameter: 1.90' Valve Stem Diameter: 11/32' Valve Guides: Manganese Bronze Deck Thickness: 9/16' Valve Spring Diameter: 1.635' Valve Spring Maximum Lift: 0.880' Rocker Stud: 7/16' Guideplate: Hardened Steel Pushrod Diameter: 3/8' Valve Angle: 24° Exhaust Port Location: Raised .534' Spark Plug Fitment: 14mm x 3/4' Reach,
Gasket SeatValve Lift Intake Exhaust .100' 80 62 .200' 159 123 .300' 234 164 .400' 295 197 .500' 343 223 .600' 369 241 .700' 380 255 Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O
Part TypeCylinder Head
BrandEDELBROCK
Package Height8.6
Package Width11.2
Package Length26.0
Weight46.35 PG
Retainers IncludedYes
Guideplates IncludedYes
Oiling StyleThrough pushrod
Valve Seats MachinedYes
Heat CrossoverNo
Number Of Springs Per ValveDual
Damper Spring IncludedNo
Cylinder Head TypeRectangular Port
Valve Stem Seals IncludedYes
Intake Valve Diameter2.3 in (58.42 mm)
Valve Guide MaterialManganese bronze
Outside Diameter Of Outer Spring1.635 in (41.5 mm)
Steam Holes DrilledNo
Rocker Arm Studs IncludedYes
Retainer MaterialTitanium
Cnc-Machined Combustion ChamberYes
Exhaust Valve Diameter1.9 in (48.26 mm)
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
Rocker Arm Nut Thread Size (In.)7/16"-20
EmissionNon-Emissions
Exhaust Valves IncludedYes
Locks IncludedYes
Engine Make/SizeChevy Big Block (396-502)
Lock Style10 degree
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Intake Valve Angle24
Maximum Valve Lift0.88 in (22.352 mm)
Valve Seat MaterialDuctile iron
FinishCast Aluminum
Valve Springs IncludedYes
UsageCompetition
Valve Seat Machine Style3-angle
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedYes
QuantitySold individually
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)128
Exhaust Port LocationRaised
TypeComplete
Combustion Chamber Volume (Cc)119
Machined For O-RingNo
PreparationFactory CNC Ported
Cylinder Head StyleAssembled
Valve Cover Mounting StylePerimeter bolt
Valve Stem Seal StylePositive stop
Intake Runner Volume (Cc)340
Cnc-Machined Exhaust RunnerNo
Vendor Part Number77409
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
