AFR Mongoose LS1/2 Port Cylinder Heads | 215cc | CNC Ported

AFR Mongoose 215cc Rectangle Port Cylinder Heads
AFR's 215cc LS Cathedral Port “Mongoose” heads feature 100% CNC ported intake, exhaust and chambers.
Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout.
They're designed for applications up to 408 CI, operating up to 7000 RPM

Features Of Your New AFR Mongoose 215cc Cylinder heads
- 15 degree valve angles;
- 65cc Chamber;
- Cast from A356 Aluminium;
- Accepts factory Rockers (Note requires AFR Stands);
- CNC ported combustion chambers;
- Port to valve seat blending (Bowl blending);

Flow Rating CFM Results
215cc Street Head Flow Chart
.200 .300 .400 .500 .550 .600
Int 149 215 259 293 300 303
Exh 111 150 209 225 230 233

Your New AFR Cylinder Heads Package Includes
- AFR 215cc Mongoose Rectangle Port Cylinder Heads (Pair);
- 4 bolt cylinder heads;
- Complete 5-Axis CNC port & polish program;
- 8mm Bead Lock Intake Valve, 2.020" x 4.900" Overall Valve Length;
- 8mm Bead Lock Exhaust Valve, 1.600" x 4.900" Overall Valve Length;
- 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L;
- PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs. on seat, Max RPM 6300-6500;
- 7° Titanium Retainers 1.245" O.D x .885" I.D x .655" I.D;
- 7° Bead Lock Valve Keepers;
- Viton Valve Seals .600" O.D x .495" I.D;
- Assembled;