Professional 53002 Cyclone chrome big block Chevrolet intake manifold is designed for street 396-502 cubic inch Chevy big block engines with oval port general duty cylinder heads with 1965-1990 head design. An affordable chrome plated intake! You can use Edelbrock, Carter, Holley or Quadrajet carbs and all distributors. Recommend 600 cfm carb for low rpm use or 750 cfm carb for sport use or towing over 10,000 lbs. Square bore carburetors such as Holley, Edelbrock, Carter or spread bore carbs like Quadrajet can be used. Great low end torque for daily drivers or towing and 4x4's with large diameter tires. Pressure tested and made with a metal permanent mold. Permanent molds provide a tighter grain casting thereby reducing the occurrence of porosity which mars the polished finish. No EGR provisions. 50 state legal on 1972 and older passenger vehicles and 1983 and older trucks. Measures 5.75" tall at it's highest point and has port sizes of 2.05" tall and 1.82" wide. NOTE: Will not fit "tall block engines". Professional 53002 Cyclone chrome Chevrolet big block intake manifold P53002 Check out our huge selection of Holley, Edelbrock, Demon and Proform carburetors! No one offers a larger selection! We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.