LS3 260cc 12 Degree Mongoose Cylinder Heads
$3195.95. per pair
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. This product is street legal in 50 states from 2007 to 2016 emission controlled vehicles with a General Motors 6.2L LS engine
Components
- A356 Aluminum Castings
- Bronze Alloy 8mm” Valve Guides
- Multi Angle Rolled Radius 2.165/1.600 Valve Job
- 69cc Combustion Chambers Flow 384/255 @.700″ Lift
- 2.125 1.600 +.100″ 8mm Stainless Bead Lock Steel Valves
- 1.270″ .625″ Lift PAC Roller Valve Springs
- Titanium Retainers and Bead Lock Keepers
- Valve Spring Seat Cups, PC Seals Rocker Rail Stands
OPTIONS
T&D .550″ 6064 Shaft Rockers
+ $1656.00
KPS .550/.080 Jesel Pro Series Rockers
+ $1795.00
234-4317 ARP 12 Point Head Stud Kit
+ $381.10
134-3610 ARP Head Bolt Kit
+ $146.83
ISKY RED ZONE EZROLL Bushed Offset Lifters
+ $1795.00
AFR 4811 4150.00 CNC Match Ported Intake Manifold
+ $555.00
Cometic or Fel Pro #1142 4.100/.041/9.0cc or 1143/4.165/.041/9.2cc MLS Head Gaskets
+ $180.00