AFR - Air Flow Research releases New LS3 Mongoose Heads - CARB Legal!

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This brand new head flows 384cfm @0.700” of lift and will be offered in a 6-bolt(#1840) and standard 4 bolt pattern (#1845). Featuring 100% CNC ported intake runners, exhaust runners and combustion chambers; designed for applications using a 4.000” or larger bore size with displacements up to 454 cubic inches with a maximum rpm of 7,000. CARB approval is pending for GM vehicles from 2007 to 2015.
260cc Competition Flow Chart
0.200"
0.300"
0.400"
0.500"
0.600"
0.650"
0.700"
Intake
159
234
293
336
366
377
384
Exhaust
112
158
207
235
248
251
255
Test conducted 2 28” of water(pressure) on a Superflow 1020
Boresize: 4.060”, ¾” radius plate. 2.00” curved exhaust pipe
Runner Volume
Description
Chamber Size
Part Number
260cc
CNC Ported w/ parts (6-bolt)
69cc
1840
260cc
CNC Ported w/ parts
69cc
1845
Manufactured in the USA using virgin A356 aluminum, all cylinder heads are sold as a pair and are equipped with PAC Racing springs, Titanium retainers and AFR high quality Stainless Steel valves. Upgrades and custom machining is available to suite your build and application.
For more information, go to www.airflowresearch.com or call (877) 235-4466.