Chevrolet Performance 10185063 - ZZ Series Aluminum Intake Manifold

-Aluminum manifold used on all 350 HO engines -Can be used on all small blocks through 1986 -Dual-pattern carburetor flange is approximately 1/2" lower than the 1970 LT1 intake, yet produces the same horsepower -Provisions for all late-model accessory brackets, EGR, and an integral hot-air choke -A heat shield can be mounted underneath for improved performance. NOTE: Open carburetor spacer is not recommended for use with dual-plane intake manifolds.