LS3 CNC-Ported Cylinder Head Assembly

Product Details

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Complete CNC LS3 flows 10 percent more than stock version

Material: Aluminum

Intake Port Size: 276

Valve Angle: 15 degree

Combustion Chamber: 68.5cc

Minimum Cylinder Bore: 4.000”

Valve Springs: Beehive LS3 Max Lift .550”

Intake Valve: 2.165” Hollow Stem

Exhaust Valve: 1.590” Solid Stem

Intake Port Style: Rectangular L92/LS3

Exhaust Port Style: Standard LS D-port

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