90mm Ultra Side Feed Intake Manifold K Series K20 K24 4.78L Plenum EG EK DC2 RSX

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90mm Side Feed Intake Manifold K Series K20 K24 4.78L Plenum EG EK DC2 Civic RSX


Key Features:
  • "Jackspania Ultra 4.78L Plenum Volume" VS "Skunk2 Ultra 3.5L Plenum Volume"
  • RSX Style Intake Manifold Flange
  • Compatible with 80mm / 90mm TB or any TB with a 86-93 Ford 5.0L Mustang flange
  • AC PS eliminator kit must be used with this intake manifold
  • Capable of supporting 600-1100HP
  • 4 x Internal Velocity Stacks for maximum air flow and efficiency
  • Runners are 5.75" long and 1.875" in diameter
  • 3 x 1/8 NPT built-in vacuum ports