AFR 260cc LS3 Mongoose 69CC, CNC Ported Cylinder Heads (Sold as a pair)
- 100% CNC Ported Combustion Chambers
- 100% CNC Ported Exhaust Ports
- 100% CNC Ported Intake Ports
- Competition 5-angle Valve Job
- 8mm Bead Lock Intake Valve, 2.165″ x 5.200″ Overall Valve Length
- 8mm Bead Lock Exhaust Valve, 1.600″ x 5.205″ Overall Valve Length
- PAC Racing Spring 1.270″ OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650 maximum lift, Max RPM 7000-7200
- 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
- Hardened Valve Spring O.D Locator 1.380″ O.D x .570″ I.D
- Ductile Iron Intake Valve Seats 2.200″ O.D x 1.750″ I.D x .375″ Deep
- Ductile Iron Exhaust Valve Seats 1.650″ O.D x 1.350″ I.D x .375″ Deep
- 8 mm Bronze Valve Guides .502″ O.D x 2.550″ O.A.L
- Rocker Rail Stand
4 Bolt, 6 Bolt
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