Nissan GT-R Manifold gear 454-O intake manifold is designed

454-O intake manifold is designed for competition 396-502 big-block Chevy's with large oval-port heads (1975 & earlier)

Initially offered in the popular 105mm opening

The engine builder spacer kit includes all 3 open spacers (4150) in 1"

OPEN 4150 Gasket SET OF TEN

Billet 6061-T6 Aluminum Body – CNC-machined for lightweight strength

Nissan GT-R Manifold gear 454-O intake manifold is designedOwn a Nissan GT R? Need a manifold capable of producing 1000hp+? We've got you covered. Wilson Manifolds has developed the secret to the unleashing the full potential of the stock GT R Manifold. Every inch of the factory intake has been tailored and modified with big boost and power in mind. The GTR intake has adjusted runner length & plenum volume plus completely ported and polished upper & lower manifold sections. Even though the plenum is sectioned