Bare Head Pair - Rectangle Intake Ports 240cc, 11 Degree Valve Angle 

LSX 6 Head Bolt Design 

Material | Aluminium 
Combustion Chamber Volume | 61cc 
Intake Runner Volume | 240cc 
Intake Port Size H x W | 2.551 X 1.257" 
Exhaust Runner Volume | 103cc 
Exhaust Port Size H x W | 1.674" Circle 
Intake Valve Size | 2.080" (01-2810-8) 
Exhaust Valve Size | 1.600" (01-2820-8) 
Valve Stem Diameter | 8.00mm 
Valve Length | + 0.500" 
Valve Angle | 11 Degree 
Valve Guide Seal Diameter | 0.500" 
Valve Guide Material | Manganese Bronze 
Valve Spring Base Diameter | 1.640" 
Rocker Type | LS3 (Rocker Arm Stand Included) 
Deck Thickness | 0.750" 

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