Edelbrock Performer ManifoldEdelbrock part #2101 Performer intake manifold is designed for street 1955 86 small block Chevys. Edelbrock's Patented Dual plane, low rise design with a 180 degree firing order greatly improves torque over a wide rpm range for excellent throttle response from off idle through 5500rpm. The Performer intake manifolds are ideal for passenger cars, trucks, 4x4s, tow vehicles and RVs. Not for 1987 and later cast iron or Chevy Bowtie heads. Will fit 1987