Edelbrock Performer Vortec ManifoldEdelbrock part #2116 Performer intake manifold is based on the popular and powerful Edelbrock #2101, this dual plane intake is designed for the street rod, industrial and engine swap market utilizing 262 400 c. i. d. Chevy V8's with 1996 and later Vortec (L31) cast iron or the Edelbrock E Tec aluminum heads. Edelbrock's Patented Dual plane, low rise design with a 180 degree firing order greatly improves torque over a wide rpm range for excellent