Top off your short block, or just upgrade your current setup with Boostline's CNC ported squareport LS3 heads! These are a factory GM head that have been CNC Ported. These heads start off as a factory casting from GM then enter Boostline's advanced manufacturing processes proven to generate the most efficient power in every application. We take great pride in our work and our attention to detail is unmatched in this industry.
FED’s Boostline Heads Include:
Seasoned pair of OEM GM heads
Exclusive high performance porting programs via 5-Axis CNC – Intake/Exhaust/Chambers
Pressure Tested for Leak Detection
Precision Valve Job, which ensures near zero runout
Meticulous Hand Blending and Deburr
PCD Surfacing (Optimal For Modern MLS Head Gaskets)
Final Wash and Assembly
Extreme Attention to Detail and Quality Control at Every Stage
284cc Intake Ports
99cc Exhaust Ports
72cc Chambers
Extreme Duty Stainless Valves 2.165/1.60
.660 Lift Dual Springs with Titanium Retainers
These come assembled but do not include rocker arms or rocker stands.
