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Ford Small Block
- Small Block Ford 289-351ci
- 170cc Intake Ports
- 60cc Exhaust Ports
- Valve Size: 1.90"/1.60"
- 60cc Combustion Chambers
- 3/8" Rocker Stud
- Bare, Sold In Pairs
Specifications:
- Chamber Volume: 60cc
- Deck Thickness: 5/8"
- Valve Spring Diameter: 1.46"
- Max Lift: .550"
- Rocker Studs: 3/8" with Guide Plate
- Pushrod Diameter: 5/16"
- Intake Port Volume: 170cc
- Intake Valve Diameter: 1.90"
- 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. 289-302 cid with 7/16" head bolts requires 350-9680 head bolt bushing kit. 1.90" heads are ideal for stock pistons; 2.02" heads require additional piston to valve clearance.
Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2OValve Lift .100" .200" .300" .400" .500" .600" .700" Intake 65 121 174 216 242 249 - Exhaust 42 92 130 150 162 168 -
Part TypeCylinder Head
BrandEDELBROCK
Package Height9.0
Package Width12.0
Package Length24.5
Weight57.0 PG
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
EmissionNon-Emissions
Exhaust Valves IncludedNo
Locks IncludedNo
Engine Make/SizeFord Small Block
Retainers IncludedNo
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedYes
Valve Seat MaterialPowdered metal
Heat CrossoverNo
FinishPolished
Valve Springs IncludedNo
Spark Plug StyleStraight
UsageStreet/Performance
Valve Seat Machine Style3-angle
Damper Spring IncludedNo
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedNo
Combustion Chamber StyleHeart
QuantitySold as a pair
Cylinder Head TypeStandard
Valve Stem Seals IncludedNo
Intake Valve Diameter1.9 in (48.26 mm)
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)60
Exhaust Port LocationStandard
Valve Guide MaterialManganese bronze
TypeBare
Combustion Chamber Volume (Cc)60
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)170
Cnc-Machined Exhaust RunnerNo
Cnc-Machined Combustion ChamberNo
Exhaust Valve Diameter1.6 in (40.64 mm)
Vendor Part Number5020
Package Qty1
Package TypeEA
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