Made in USA
Victor Jr. LS3 Pro-Port Cylinder Head
Product Discontinued
EDELBROCKPART NUMBER: 350-77339

Victor Jr. LS3 Pro-Port Cylinder Head

Currently Unavailable

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

Victor Jr. LS
    Victor Jr. LS3 Pro-Port Raw Cylinder Head
  • Rectangle Port
  • Intake Port Entry: 1.00" x 2.37"
  • Exhaust Port Exit: 1.38" x 1.00"
  • Valve Size: 2.165" Intake/1.60" Exhaust
  • Standard GM Block
  • Sold Each

    These heads provide head porters with the extra material needed in the ports and combustion chamber for greater flexibility when developing CNC port programs, allowing engine builders to take full advantage of GM's LS series potential. Both LS3 and LS7 versions retain the stock valve location, valve angle, intake flange and accessory bolts locations. They feature a 5/8' deck and come with seats and guides. LS3 Pro-Port heads are 3/4' taller than stock and have raised spring pads requiring longer valves. Victor Jr. LS3 Pro-Port cylinder head p/n 350-77339 and Victor Jr. LS7 Pro-Port cylinder head p/n 350-77369 are machined to work with standard GM LS blocks. Victor Jr. LS3 Pro-Port p/n 350-77349 and Victor Jr. LS7 Pro-Port cylinder head p/n 350-77379 have the extra head bolt provisions required for use with GM LSX blocks.



    Combustion Chamber Size:(Unfinished Size)
    Intake Port Entry:1.00" x 2.37"
    Exhaust Port Exit:1.38"x 1.00'
    Valve Sizes:2.165' Intake / 1.60' Exhaust
    Valve Pierce Points (X, Y):0.854', 0.017' Intake
    -1.156', 0.017' Exhaust
    Coordinates provided are cylinders 1, 3, 6, 8.
    Valve Spacing:2.010"
    Valve Guides:Included
    Valve Seats:Included
    Valve Angle:15°
    HIP Processed:No
Part TypeCylinder Head
BrandEDELBROCK
Package Height8.5
Package Width8.5
Package Length11.0
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
EmissionNon-Emissions
Exhaust Valves IncludedNo
Locks IncludedNo
Engine Make/SizeChevy LS3
Retainers IncludedNo
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedNo
Valve Seat MaterialDuctile iron
Heat CrossoverNo
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
Accessory Bolt Holes DrilledYes
Exhaust Port LocationRaised
Valve Guide MaterialManganese bronze
TypeBare
Machined For O-RingNo
PreparationRequires Professional Preparation (Bare)
Steam Holes DrilledNo
Rocker Arm Studs IncludedNo
Cylinder Head StyleBare
Valve Cover Mounting StyleCenterbolt
Cnc-Machined Exhaust RunnerNo
Cnc-Machined Combustion ChamberNo
Vendor Part Number77339
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!