AFR 260cc LS3 Mongoose 69CC, CNC Ported Cylinder Heads (Sold as a pair)

$3,095.95

  • 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
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