Trick Flow 245cc GM LS Cylinder Heads

PN: TEA-LS245TF-CUSTOM


1997 & Later GM LS Engines

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 245cc heads are specifically designed for the large cubic inch strokers with 4.155" and larger bores. They are available with hydraulic roller or mechancal roller valve-train setups, large nitrous exhaust ports, 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: 245cc CNC Ported
Intake Port Location: OEM
Intake Valve Diameter: 2.10
Intake Valve Seat: Interlocking Ductile iron
Exhaust Port Volume: 85cc 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: 4.155"
Cylinder Head Bolts: OE Llength
Spark Plugs: NGK-TR6
Valve Covers: OE bolt pattern,raised 0.200"

 

FLOW DATA 4.185" BORE
Lift Intake Exhaust
0.100 69 56
0.200 146 130
0.300 237 201
0.400 294 249
0.500 336 269
0.550 348 273
0.600 353 276
* Tests conducted at 28" of water, 4.155" bore, 1.875" pipe
 
FLOW DATA 4.185" BORE N2O EXHAUST
Lift Intake Exhaust
0.100 69 55
0.200 146 122
0.300 237 199
0.400 294 250
0.500 336 277
0.550 348 284
0.600 353 290
* Tests conducted at 28" of water, 4.155" bore, 1.875" pipe

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

CUSTOM OPTIONS

For non-standard chamber sizes call for pricing.

$2,790.00Price:
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