TrickFlow Specialties LS3 Cylinder heads

$2,688.00

Description

AFR’s 260cc LS3 “Mongoose” heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head available today. Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout. They’re designed for 4.000 or larger bore applications up to 454 CI, operating up to 7000 RPM. Emmisons legal for 2008 to 2015 vehicles under CARB #D-250-5. To ensure trouble free operation please view the footnotes on pg. 54 for additional information. AFR heads are available bare (without parts), call our tech line for details. Please see footnotes for additional information.

260cc Aluminum LS1 Cylinder Heads
Part # Description Combustion Chamber
1840 CNC Ported w/parts – 6 Bolt 69cc
1845 CNC Ported w/parts – 4 Bolt 69cc

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260cc Street Head Flow Chart
.200 .300 .400 .500 .600 .650 .700
Int 159 234 293 336 366 377 384
Exh 112 158 207 235 248 251 255

Test conducted at 28″ of water (pressure) on Superflow 600
Bore Size: 4.155″, 3/4″ radius plate exhaust, 1 3/4″ curved pipe