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E-CNC 185
- 1986 & Earlier Small Block Chevy 302-400ci
- Port Volumes: 185cc/75cc
- Combustion Chamber size: 64cc
- Straight Spark Plug
- Bare Head, Sold Each
Combustion Chamber Volume: 64cc Intake Runner Volume: 185cc Exhaust Runner Volume: 75cc Intake Valve Diameter: 2.02' (Valves not included) Exhaust Valve Diameter: 1.60' (Valves not included) Valve Stem Diameter: N/A Valve Guides: Deck Thickness: 9/16' Valve Spring Diameter: N/A Valve Spring Maximum Lift: N/A Rocker Stud: N/A Guideplate: N/A Pushrod Diameter: N/A Valve Angle: 23° Exhaust Port Location: Stock Spark Plug Fitment: 14mm x 3/4' Reach,
Gasket SeatValve Lift Intake Exhaust .100' 61 53 .200' 129 106 .300' 186 147 .400' 231 185 .500' 250 199 .600' 254 203 .700' 253 209 Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O
Part TypeCylinder Head
BrandEDELBROCK
Package Height8.5
Package Width11.0
Package Length24.75
Weight25.0 PG
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
EmissionNon-Emissions
Exhaust Valves IncludedNo
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedNo
Valve Seat MaterialDuctile iron
Heat CrossoverNo
FinishCast Steel
Valve Springs IncludedNo
Spark Plug StyleStraight
UsageCompetition
Damper Spring IncludedNo
Valve Guides IncludedYes
Cnc-Machined Intake RunnerYes
Intake Valves IncludedNo
QuantitySold individually
Cylinder Head TypeStandard
Valve Stem Seals IncludedNo
Intake Valve Diameter2.02 in (51.308 mm)
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)75
Exhaust Port LocationStandard
Valve Guide MaterialManganese bronze
TypeBare
Combustion Chamber Volume (Cc)64
Machined For O-RingNo
PreparationRequires Professional Preparation (Bare)
Steam Holes DrilledNo
Rocker Arm Studs IncludedNo
Cylinder Head StyleBare
Valve Cover Mounting StylePerimeter bolt
Intake Runner Volume (Cc)185
Cnc-Machined Exhaust RunnerYes
Cnc-Machined Combustion ChamberYes
Exhaust Valve Diameter1.6 in (40.64 mm)
Vendor Part Number79889
Package Qty1
Package TypeEA
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