90mm Ultra Side Feed Intake Manifold K Series K20 K24 4.78L Plenum EG EK DC2 RSX
$196.85
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Estimated delivery dates: Dec 28, 2025 - Dec 29, 2025
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Description
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
