ALPHA GT-R Cast Plenum /

The Alpha Performance R35 GT-R Cast Aluminum Intake Manifold Plenums are designed for maximum efficiency and power, providing global performance gains across the entire power band. They feature larger, molded plenums for even air distribution, are rigorously tested (0-50psi in high heat for 20+ years simulated operation, burst tested to 150psi). The manifold includes a third fuel rail provision for high-horsepower VR engines (2000+ HP capable), dual MAP sensor ports, retains PCV function, and has extra vacuum ports. Optional Alpha Billet Big Bore Throttle Bodies are available for vehicles making over 800HP, and custom anodized color finishes are also offered.