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Vehicle Info NeededEDELBROCKPART NUMBER: 350-61595
61595 Performer D-Port Cylinder Head for Pontiac V8
$1,77595
7 left in stock
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Lowest Price GuaranteePerformer Pontiac 72cc D-Port Cylinder Heads
- Performer D-Port Cylinder Head
- 1962-1979 Pontiac 389-455ci
- Valve Springs for Hydraulic Roller
- Valve Size: 2.11"/1.66"
- Port Volume: 204cc/145cc
- 72cc Combustion Chambers
- 50 State Legal
- Assembled
- Sold Individually
Performer Pontiac heads utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. They are designed for 1962-79 389, 400, 421, 428 and 455 cid V8 Pontiac engines with a 4.060' or larger bore. They feature optimized oil return passages for increased oil flow. These heads are available in three heart shaped combustion chamber sizes, including 65cc, 72cc and 87cc. The 65cc combustion chambers are as-cast while the 72cc and 87cc chambers are fully CNC'd to provide a 9.5:1 compression ratio when used with flat-top pistons. The spark plug has been relocated closer to the exhaust valve for improved performance. These heads are cast with extra thick port walls and a compact port size, making them ideal for CNC and hand porting. Complete heads include guide plates, rocker studs and high quality valvetrain for direct bolt-on application. Heat crossover is machined for 50-state emissions legal performance.Combustion Chamber Volume: 72cc Intake Runner Volume: 204cc Exhaust Runner Volume: 145cc Intake Valve Diameter: 2.11' Exhaust Valve Diameter: 1.66' Valve Stem Diameter: 11/32' Valve Guides: Manganese Bronze Deck Thickness: 5/8' Valve Spring Diameter: 1.46' Valve Spring Maximum Lift: 0.550' Rocker Stud: 7/16' Guideplate: Hardened Steel Pushrod Diameter: 5/16' Valve Angle: 14° Exhaust Port Location: D-Port (Stock Location) Spark Plug Fitment: 14mm x 3/4' Reach,
Gasket SeatValve Lift Intake Exhaust .100' 65 52 .200' 136 103 .300' 199 130 .400' 237 145 .500' 255 151 .600' 262 157 .700' 263 159 Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O
Part TypeCylinder Head
BrandEDELBROCK
Package Height8.5
Package Width11.5
Package Length26.0
Weight36.95 PG
Retainers IncludedYes
Guideplates IncludedYes
Oiling StyleThrough pushrod
Valve Seats MachinedYes
Heat CrossoverYes
Number Of Springs Per ValveDual
Spark Plug StyleAngled
Damper Spring IncludedYes
Cylinder Head TypeStandard
Valve Stem Seals IncludedYes
Intake Valve Diameter2.11 in (53.594 mm)
Valve Guide MaterialManganese bronze
Outside Diameter Of Outer Spring1.46 in (37.1 mm)
Steam Holes DrilledNo
Rocker Arm Studs IncludedYes
Retainer MaterialSteel
Cnc-Machined Combustion ChamberYes
Exhaust Valve Diameter1.66 in (42.164 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/SizePontiac 326-455
Lock Style7 degree
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Intake Valve Angle14
Maximum Valve Lift0.6 in (15.24 mm)
Valve Seat MaterialDuctile iron
FinishCast Aluminum
Valve Springs IncludedYes
UsageStreet/Performance
Valve Seat Machine Style3-angle
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedYes
Combustion Chamber StyleHeart
QuantitySold individually
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)145
Exhaust Port LocationStandard
TypeComplete
Combustion Chamber Volume (Cc)72
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)204
Cnc-Machined Exhaust RunnerNo
Vendor Part Number61595
Package Qty1
Package TypeEA
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