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Vehicle Info NeededEDELBROCKPART NUMBER: 350-5073
5073 E-Street Cylinder Heads for Small Block Chevy
$1,58895
2 left in stock
Ships Today
Lowest Price GuaranteeChevy Small Block
- 1986 & Earlier Small Block Chevy
- Valve Springs for Hydraulic Flat Tappet Camshaft
- Port Volumes: 185cc/60cc
- Valve Size: 2.02"/1.60"
- 70cc Combustion Chambers
- Assembled, Sold In Pairs
Specifications:
- Chamber Volume: 70cc
- Deck Thickness: 9/16"
- Valve Spring Diameter: 1.25"
- Max Lift: .550"
- Valve Spring Installed Height: 1.750"
- Rocker Studs: 3/8" with Guide Plate
- Pushrod Diameter: 5/16"
- Intake Port Volume: 185cc
- Intake Valve Diameter: 2.02"
- Exhaust Port Volume: 60cc
- Exhaust Valve Diameter: 1.60"
Technical Notes:
Use with hydraulic camshafts less than .550" max lift. Not Compatible with hydraulic roller camshafts. Recommended spark plugs are Champion RC12YC or equivalent 14mm x ¾" reach with flat gasket seat. Requires hardened pushrods. Straight plug heads.
Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2OValve Lift .100" .200" .300" .400" .500" .600" .700" Intake 63 125 182 225 248 249 - Exhaust 51 99 131 153 163 168 - 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.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCylinder Head
BrandEDELBROCK
Package Height9.5
Package Width12.25
Package Length24.5
Weight58.0 PG
Retainers IncludedYes
Guideplates IncludedYes
Oiling StyleThrough pushrod
Valve Seats MachinedYes
Heat CrossoverNo
Number Of Springs Per ValveSingle
Spark Plug StyleStraight
Damper Spring IncludedYes
Cylinder Head TypeStandard
Valve Stem Seals IncludedYes
Intake Valve Diameter2.02 in (51.308 mm)
Valve Guide MaterialManganese bronze
Outside Diameter Of Outer Spring1.25 in (31.8 mm)
Steam Holes DrilledNo
Rocker Arm Studs IncludedYes
Retainer MaterialSteel
Cnc-Machined Combustion ChamberNo
Exhaust Valve Diameter1.6 in (40.64 mm)
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
EmissionNon-Emissions
Exhaust Valves IncludedYes
Locks IncludedYes
Engine Make/SizeChevy Small Block (262-400)
Lock Style7 degree
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Intake Valve Angle23
Maximum Valve Lift0.55 in (13.97 mm)
Valve Seat MaterialPowdered metal
FinishPolished
Valve Springs IncludedYes
UsageStreet/Performance
Valve Seat Machine Style3-angle
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedYes
QuantitySold as a pair
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)60
Exhaust Port LocationStandard
TypeComplete
Combustion Chamber Volume (Cc)70
Machined For O-RingNo
PreparationBolt On (Not Required)
Cylinder Head StyleAssembled
Part FitmentSemi Universal
Valve Cover Mounting StylePerimeter bolt
Valve Stem Seal StyleUmbrella
Intake Runner Volume (Cc)185
Cnc-Machined Exhaust RunnerNo
Vendor Part Number5073
Package Qty1
Package TypeEA
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