Trick Flow 235 LS Cylinder Heads2

September 25, 2020 by  
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SKU: 48623e84d903 Category:

Description

PN: TEA-LS235TF-CUSTOM
GM’s LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. These fully CNC ported 235cc heads are specifically designed for the large cubic inch strokers with 4.125″ and larger bores. They are available with hydraulic roller or mechancal roller valve-train setups,  and 6 bolt casting options for LSX blocks. Should you need a custom assembly not included here, give us a call!

 

Standard Features
Material: A356-T6 Aluminum
Combustion Chamber Volume: 70cc CNC-profiled Standard
Intake Port Volume: 235cc CNC Ported
Intake Port Location: OEM
Intake Valve Diameter: 2.080
Intake Valve Seat: Interlocking Ductile iron
Exhaust Port Volume: 86cc CNC Ported
Exhaust Port Location: OEM
Exhaust Port Dimensions: 1.700″ x 1.550″
Exhaust Gaskets: Stock Gm
Exhaust Valve Diameter: 1.600″
Exhaust Valve Seat: Ductile iron
Valve Guide Material: Bronze alloy
Valve Seals: Viton® fluoroelastomer
Minimum Bore Diameter: 4.030″
Cylinder Head Bolts: OE Llength
Spark Plugs: NGK-TR6
Valve Covers: OE bolt pattern,raised 0.200″
FLOW DATA 4.125″ BORE
Lift Intake Exhaust
0.100 67.9 58.3
0.200 146.2 124
0.300 235 199
0.400 293 244
0.500 329 265
0.550 341 272
0.600 344 276
* Tests conducted at 28″ of water, 4.125″ bore, 1.875″ exh. pipe
 
FLOW DATA 4.030″ BORE
Lift Intake Exhaust
0.100 67
0.200 147
0.300 234
0.400 289
0.500 324
0.550 335
0.600 343
* Tests conducted at 28″ of water, 4.030″ bore

Additional information

Weight 65 lbs

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