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Vehicle Info NeededEDELBROCKPART NUMBER: 350-60587
NHRA Performer RPM Cylinder Head for Pontiac
$81899
Ships on 09/18/2026
Lowest Price GuaranteePontiac
- NHRA Stock/Super Stock Legal Cylinder Head
- 1965-1979 Pontiac 389-455ci
- Port Volumes: 215cc/175cc
- 54cc Combustion Chambers
- Bare, Sold Individually
- Chamber Size: 72cc (for higher compression engines)
- 172cc Exhaust port volume
- Intake Port Size: 215cc
- Valve Sizes (in/ex): 2.11"/1.66(b)
- A356 aluminum casting with 5/8" thick deck
- Fully adjustable 7/16" stud and guide plate valve train (3/8" pushrod recommended)
- Maganese bronze valve guides and ductile iron interlocking valve seat
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 Height8.7
Package Width11.3
Package Length25.8
Weight31.35 PG
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
EmissionNon-Emissions
Exhaust Valves IncludedNo
Locks IncludedNo
Engine Make/SizePontiac 326-455
Retainers IncludedNo
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedNo
Intake Valve Angle14
Valve Seat MaterialDuctile iron
Heat CrossoverYes
FinishCast Aluminum
Valve Springs IncludedNo
UsageCompetition
Damper Spring IncludedNo
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedNo
QuantitySold individually
Cylinder Head TypeStandard
Valve Stem Seals IncludedNo
Intake Valve Diameter2.11 in (53.594 mm)
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)175
Exhaust Port LocationStandard
Valve Guide MaterialManganese bronze
TypeBare
Combustion Chamber Volume (Cc)72
Machined For O-RingNo
PreparationRequires Professional Preparation (Bare)
Steam Holes DrilledNo
Rocker Arm Studs IncludedNo
Cylinder Head StyleBare
Part FitmentSemi Universal
Valve Cover Mounting StylePerimeter bolt
Intake Runner Volume (Cc)215
Cnc-Machined Exhaust RunnerNo
Cnc-Machined Combustion ChamberNo
Exhaust Valve Diameter1.66 in (42.164 mm)
Vendor Part Number60587
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
