Performer RPM Chevy W-Series 348/409 Polished Cylinder Heads

Product Discontinued

EDELBROCKPART NUMBER: 350-608119

Performer RPM Chevy W-Series 348/409 Polished Cylinder Heads

Name: Performer RPM Chevy W-Series 348/409 Polished Cylinder Heads
Brand: EDELBROCK
SKU: 350-608119
Price: 1393.99 USD
Availability: OutOfStock

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Performer RPM Aluminum Cylinder Heads - Hydraulic/Solid Flat Tappet/Camshaft

1958-1965 Chevy "W" Series Big Block
Valve Springs for Hydraulic Flat Tappet
Port Volumes: 220cc/115cc
Valve Size: 2.19"/1.72"
16cc Combustion Chamber
Polished Finish
Assembled, Sold Individually

Installation Notes
Original port locations and valve angles for bolt-on convenience
Hardened spring cups, screw-in rocker studs and hardened guideplates
Valve lift must be less than .550" on 348 engines.
Will only fit 1958-1965 348 if using Edelbrock 350-5409, 350-7159, or stock large port 409 intake manifolds.
1958 348 c.i.d. applications will require modifications to cylinder head (contact Edelbrock tech department for detailed information)

Proper cylinder wall notching must be checked to ensure exhaust valve to cylinder clearance.

Combustion Chamber Volume:	16cc
Intake Runner Volume:	215cc
Exhaust Runner Volume:	115cc
Intake Valve Diameter:	2.19'
Exhaust Valve Diameter:	1.72'
Valve Stem Diameter:	11/32'
Valve Guides:	Manganese Bronze
Deck Thickness:	9/16'
Valve Spring Diameter:	1.55'
Valve Spring Maximum Lift:	0.600'
Rocker Stud:	7/16'
Guideplate:	Hardened Steel
Pushrod Diameter:	3/8'
Valve Angle:	0°
Exhaust Port Location:	Stock
Spark Plug Fitment:	14mm x 3/4' Reach, Gasket Seat

Valve Lift	Intake	Exhaust
.100'	67	60
.200'	148	118
.300'	221	157
.400'	256	184
.500'	266	204
.600'	273	216
.700'	277	221
Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O

Since founder Vic Edelbrock Sr. began building performance intake manifolds in 1938, Edelbrock has grown into one of the most trusted names in American high-performance parts, from carburetors and intake manifolds to cylinder heads, crate engines, and EFI systems. JEGS has spent decades supplying Edelbrock components to racers, engine builders, and street enthusiasts, backing this extensive lineup with in-house technical support, fast shipping, and a Price Match Guarantee so you can choose proven Edelbrock parts with confidence.

Designed for 1961-65 Chevrolet "W" series 348/409 big blocks engines. These heads have improved port design for more performance, original port locations and valve angles for bolt-on convenience; CNC port match 220cc intake and 115cc exhaust ports for optimum flow and power, hardened spring cups, screw-in rocker studs an hardened guide plates. Made In The USA!

Features:

Intake Runner Volume: 215cc
Exhaust Runner Volume: 115cc

Intake Valve Diameter: 2.19"
Exhaust Valve Diameter: 1.72"
Valve Stem Diameter: 11/32"
Valve Guides: Manganese Bronze
Deck Thickness: 9/16"
Valve Spring Diameter: 1.55"
Vavle Spring Maximum Lift: .600"
Rocker Stud: 7/16"
Guideplate: Hardened Steel
Pushrod Diameter: 3/8"
Valve Angle: 0
Exhaust Port Location: Stock
Spark Plug Fitment: 14mm x 3/4 Reach, Gasket Seat

Part TypeCylinder Head

Product LineEdelbrock Performer RPM Chevy 348/409 Aluminum Cylinder Heads

BrandEDELBROCK

Package Height8.5

Package Width11.0

Package Length26.25

Weight36.4 PG

Retainers IncludedYes

Guideplates IncludedYes

Oiling StyleThrough pushrod

Valve Seats MachinedYes

Heat CrossoverNo

Number Of Springs Per ValveSingle

Damper Spring IncludedYes

Cylinder Head TypeStandard

Valve Stem Seals IncludedYes

Intake Valve Diameter2.19 in (55.626 mm)

Valve Guide MaterialManganese bronze

Outside Diameter Of Outer Spring1.55 in (39.4 mm)

Steam Holes DrilledNo

Rocker Arm Studs IncludedYes

Retainer MaterialSteel

Cnc-Machined Combustion ChamberNo

Exhaust Valve Diameter1.72 in (43.688 mm)

Part CategoryPerformance Parts

Cylinder Head MaterialAluminum

Intake Port LocationStandard

Rocker Arm Nut Thread Size (In.)7/16"-20

EmissionNon-Emissions

Exhaust Valves IncludedYes

Locks IncludedYes

Engine Make/SizeChevy 348-409

Lock Style7 degree

Rocker Arms IncludedNo

Rocker Arm Nuts IncludedNo

Cylinder Head FinishPolished

Maximum Valve Lift0.6 in (15.24 mm)

Valve Seat MaterialDuctile iron

FinishPolished Aluminum

Valve Springs IncludedYes

UsageStreet/Hi-Performance

Valve Seat Machine Style3-angle

Valve Guides IncludedYes

Cnc-Machined Intake RunnerNo

Intake Valves IncludedYes

QuantitySold individually

Accessory Bolt Holes DrilledYes

Exhaust Runner Volume (Cc)115

Exhaust Port LocationStandard

TypeComplete

Machined For O-RingNo

PreparationFactory CNC Ported

Cylinder Head StyleAssembled

Valve Cover Mounting StylePerimeter bolt

Valve Stem Seal StylePositive stop

Intake Runner Volume (Cc)220

Cnc-Machined Exhaust RunnerNo

Vendor Part Number608119

Package Qty1

Package TypeEA

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