Edelbrock Chevy Vortec SB Performance EPS Manifold - Chrome Plasma FinishEdelbrock part #2716 CP Performer EPS intake manifold is designed for 262 400 c. i. d. Chevy V8's with 1996 and later Vortec (L31) cast iron or Edelbrock E Tec aluminum heads. The Performer EPS dual plane manifold is optimized to deliver superior performance with Edelbrock square bore Performer Series or AVS2 series carburetors. The runner design is "tuned" for peak torque at 3500 rpm on a 350 inch engine and is ideal for power from off idle to 5500