Trick Flow 255cc GM LS-3 Cylinder Heads

September 25, 2020 by  
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SKU: e4ead7802948 Category:

Description

PN: TEA-LS3255TF-CUSTOM
GM LS3 Engines
The 255 LS-3 heads feature’s an all new ultra efficient 12Deg design which flows exceptionally well and still keeps the runner volume and valve sizes basically stock. Includes a 69cc 4.065″ bore combustion chamber, 2.165″ lightweight intake valve, 255cc intake runner, and an 87cc exhaust runner volume. Designed for use with stock rocker arms this head includes powdered metal valve guides standard along with billet aluminum rocker stands

STANDARD FEATURES
Fully CNC ported Intake, exhaust ,and combustion chambers
TEA exclusive 2.165″ lightweight intake valves

Lightweight 1.600″ Stainless exhaust valves

Competition quality blueprint 5 angle valve job
Precision grind all 16 valves with backcut on intake valve
Flow test with sheet included
Flat mill to chamber volume of your choice
Custom Assembly insuring all springs and pressures are correct
PAC racing Dual .650″ valve springs with Ti retainers
Viton valve stem seals

FLOW DATA 4.060″ BORE
Lift Intake Exhaust
0.100 71 59
0.200 140 117
0.300 225 168
0.400 288 213
0.500 331 236
0.550 348 241
0.600 361 247
0.700 373 254
* Tests conducted on a Superflow SF600 at 28″ of water, 4.060″ bore, 1.875″ exh. pipe

STANDARD FEATURES

  • Material: A356-T6 Aluminum
  • Combustion Chamber Volume: 69cc CNC-profiled Standard
  • Intake Port Volume: 255cc CNC Ported

    • CUSTOM OPTIONS AVAILABLE
    Give us a call at 330-634-2155
    Send us an email at     sales@totalengineairflow.com

    Additional information

    Weight 65 lbs

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