LS3 Aftermarket Casting CNC Ported Heads w/ Stainless Valves and Dual Springs

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CNC Ported LS3 Aftermarket Castings 283cc Intake runner, 94cc Exhaust 2.165/1.59 Valve Size 68cc Chamber Speed Works has teamed up with Wilkes Performance to bring you some really nice LS3 Aftermarket heads! We have sold and tested tons of these heads. Flow numbers are posted below. These heads are 5th axis CNC ported with Race Stainless valves, titanium retainers, .660 dual race springs! All heads are disassembled, cleaned, inspected, and had a 5 angle valve job done! These heads will be ready to bolt on.  *****NOTE THESE TAKE 2-3 WEEKS TO BUILD****  WE CUSTOM BUILD EVERY HEAD AND TEST THEM BEFORE THEY LEAVE OUR FACILITY!  SOMETIMES WE CAN GET THESE OUT SOONER!  Flow Data: .100 72 Intake 55 Exhaust .200 154 Intake 115 Exhaust .300 224 Intake 170 Exhaust .400 282 Intake 200 Exhaust .500 323 Intake 212 Exhaust .600 352 Intake 233 Exhaust .650 359 Intake 237 Exhaust