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Vehicle Info NeededEDELBROCKPART NUMBER: 350-79555
E-CNC 355 Rectangle Port Cylinder Head for Big Block Chevy
$2,87095
Ships on Oct 27, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
E-CNC 355 Cylinder Head118cc Combustion Chambers
- Big Block Chevy 396-502ci
- Intake Ports 354cc (LH) 334cc (RH)
- Exhaust Ports 129cc
- Valve Springs for Hydraulic Roller
- Valve Size: 2.30"/1.88"
- 118cc Combustion Chamber
- Assembled, Sold Individually
Combustion Chamber Volume: 118cc Intake Runner Volume: 354cc (LH) / 334cc (RH) Exhaust Runner Volume: 129cc Intake Valve Diameter: 2.30' Exhaust Valve Diameter: 1.88' Valve Stem Diameter: 11/32' Valve Guides: Manganese Bronze Deck Thickness: 5/8' Valve Spring Diameter: 1.55' Valve Spring Maximum Lift: 0.700' Rocker Stud: 7/16' Guideplate: Hardened Steel Pushrod Diameter: 3/8' Valve Angle: 24.5° x 4.4° (Intake) / 15.5° x 4.2° (Exhaust) Exhaust Port Location: Accepts stock port location headers Spark Plug Fitment: 14mm x 3/4' Reach,
Gasket SeatValve Lift Intake Exhaust .200' 155 129 .300' 235 181 .400' 292 214 .500' 330 241 .600' 354 252 .700' 368 257 Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Part TypeCylinder Head
BrandEDELBROCK
Package Height8.5
Package Width11.4
Package Length26.0
Weight44.24 PG
Retainers IncludedYes
Guideplates IncludedYes
Oiling StyleThrough pushrod
Valve Seats MachinedYes
Heat CrossoverNo
Number Of Springs Per ValveDual
Spark Plug StyleStraight
Damper Spring IncludedYes
Cylinder Head TypeRectangular Port
Valve Stem Seals IncludedYes
Intake Valve Diameter2.3 in (58.42 mm)
Valve Guide MaterialManganese bronze
Outside Diameter Of Outer Spring1.54 in (39.1 mm)
Steam Holes DrilledNo
Rocker Arm Studs IncludedYes
Retainer MaterialSteel
Cnc-Machined Combustion ChamberYes
Exhaust Valve Diameter1.88 in (47.752 mm)
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
Rocker Arm Nut Thread Size (In.)7/16"-20
EmissionN/A
Exhaust Valves IncludedYes
Locks IncludedYes
Engine Make/SizeChevy Big Block (396-502)
Lock Style7 degree
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Intake Valve Angle24.5/4.4
Maximum Valve Lift0.7 in (17.78 mm)
Valve Seat MaterialDuctile iron
FinishCast Aluminum
Valve Springs IncludedYes
UsageCompetition
Valve Seat Machine Style3-angle
Valve Guides IncludedYes
Cnc-Machined Intake RunnerYes
Intake Valves IncludedYes
QuantitySold individually
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)142
Exhaust Port LocationStandard
TypeComplete
Combustion Chamber Volume (Cc)118
Machined For O-RingNo
PreparationBolt On (Not Required)
Exhaust Valve Angle15.5/4.2
Cylinder Head StyleAssembled
Part FitmentSemi Universal
Valve Cover Mounting StylePerimeter bolt
Valve Stem Seal StylePositive stop
Intake Runner Volume (Cc)344cc/352
Cnc-Machined Exhaust RunnerYes
Vendor Part Number79555
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
