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F200011

NEW GM LS 243 HEAD - 4.8L, 5.3L & 6.0L

$349.99
Generation III V8 cathedral intake port cylinder head. Casting 12564243. For truck, van, SUV and perfomance applications. Used on LS6, L33, L20, LH6, LY5, LMG, LC9,LS4, LH8, LS2, LFA, LZ1 engines.
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New GM LS 243 Head - 4.8L, 5.3L & 6.0L

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Weight 26.0 lbs
Condition New
INTAKE PORT SHAPE CATHEDRAL
VALVE SIZE (Int/Ex) 2 in/1.55 in
MATERIAL Aluminum
COMBUSTION CHAMBER VOLUME 65cc
INTAKE PORT VOLUME 210cc
EXHAUST PORT VOLUME 75cc
CYLINDERS 4
VALVES 8
DRIVE TRAIN OHV, 16 valve, (2 valve/cyl)
EXHAUST PORT SHAPE D_PORT
Generation III cylinder head for V8 truck, van, SUV and perfomance applications often called an LS6 head. It has cathedral shaped intake ports and D shaped exhaust. The combustion chamber is slightly smaller and more efficient than the earlier heads used on LS1 engines. These heads helped the LS6 produce more torque than the LS1. The exhaust port is D shaped to improve flow.
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Head produces high power.
This head can be retrofitted to an LS1. Hide full description...
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