320 Series Aluminum Cylinder Heads Big Block Chevy

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PROMAXX PERFORMANCEPART NUMBER: 723-2211

320 Series Aluminum Cylinder Heads Big Block Chevy

Name: 320 Series Aluminum Cylinder Heads Big Block Chevy
Brand: PROMAXX PERFORMANCE
SKU: 723-2211
Price: 2209.00 USD
Availability: InStock

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555-514071

Big Block Chevy Aluminum Cylinder Head for use with Hydraulic Roller Cam [335 cc Intake Ports]

^$1,044⁹⁹

320 Series Aluminum Cylinder Heads

320cc Intake Port Volume

Big Block Chevy
As-Cast
320cc Intake Ports
119cc Combustion Chamber
2.30'' Intake / 1.88'' Exhaust Valves
7/16'' Rocker Arm Studs
.600'' Max Lift
Steel Retainers
Assembled, 2/pkg

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

BrandPROMAXX PERFORMANCE

Package Height10.9

Package Width15.2

Package Length26.7

Weight88.15 PG

Part CategoryPerformance Parts

Cylinder Head MaterialAluminum

Intake Port LocationStandard

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

Exhaust Valves IncludedYes

Locks IncludedYes

Retainers IncludedYes

Lock Style7 degree

Guideplates IncludedYes

Rocker Arms IncludedNo

Oiling StyleThrough pushrod

Rocker Arm Nuts IncludedNo

Cylinder Head FinishNatural

Valve Seats MachinedYes

Maximum Valve Lift0.6 in (15.24 mm)

Valve Seat MaterialDuctile iron

Heat CrossoverNo

Valve Springs IncludedYes

Valve Seat Machine Style5-angle

Damper Spring IncludedNo

Valve Guides IncludedYes

Cnc-Machined Intake RunnerNo

Intake Valves IncludedYes

QuantitySold as a pair

Valve Stem Seals IncludedYes

Intake Valve Diameter2.25 in (57.15 mm)

Accessory Bolt Holes DrilledYes

Exhaust Port LocationStandard

Valve Guide MaterialManganese bronze

Combustion Chamber Volume (Cc)119

Machined For O-RingNo

Steam Holes DrilledNo

Rocker Arm Studs IncludedYes

Cylinder Head StyleAssembled

Part FitmentSemi Universal

Valve Cover Mounting StylePerimeter bolt

Retainer MaterialSteel

Intake Runner Volume (Cc)320

Cnc-Machined Exhaust RunnerNo

Cnc-Machined Combustion ChamberNo

Exhaust Valve Diameter1.88 in (47.752 mm)

Vendor Part Number2211

Package Qty1

Package TypeEA

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