Engine Pro Racing Cylinder Heads 69CC 255CC Intake Runner 11 Degree Valve Angle L98 LS3

SKU: EPCH-3540
Engine Pro Racing Cylinder Heads 69Cc 255Cc Intake Runner 11 Degree Valve Angle L98 Ls3
Engine Pro Racing Cylinder Heads 69Cc 255Cc Intake Runner 11 Degree Valve Angle L98 Ls3
Engine Pro Racing Cylinder Heads 69Cc 255Cc Intake Runner 11 Degree Valve Angle L98 Ls3
Engine Pro Racing Cylinder Heads 69Cc 255Cc Intake Runner 11 Degree Valve Angle L98 Ls3
Engine Pro Racing Cylinder Heads 69Cc 255Cc Intake Runner 11 Degree Valve Angle L98 Ls3
Engine Pro Racing Cylinder Heads 69Cc 255Cc Intake Runner 11 Degree Valve Angle L98 Ls3

Engine Pro Racing Cylinder Heads 69CC 255CC Intake Runner 11 Degree Valve Angle L98 LS3

SKU: EPCH-3540
Regular price $1,695.00
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Description

Bare Head Pair - Rectangle Intake Ports 255cc, 11 Degree Valve Angle 

4 Bolt Head Bolt Design 

Material | Aluminium 
Combustion Chamber Volume | 69cc 
Intake Runner Volume | 255cc 
Intake Port Size H x W | 2.580" X 1.285" 
Exhaust Runner Volume | 112CC 
Exhaust Port Size H x W | 1.685" X 1.795" 
Intake Valve Size | 2.165" (01-2800-8) 
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"

Flow Data @ 28"(CFM) With 2.165" & 1.600" Valves
Intake
@.300" = 197
@.400" = 249
@.500" = 301
@.600" = 325
@.700" = 327
Exhaust
@.300" = 141
@.400" = 175
@.500" = 202
@.600" = 217
@.700" = 219
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