Designed for 1986 and earlier 262-400 cubic-inch Chevys, the Performer EPS dual-plane intake manifold is optimized to deliver superior performance with Edelbrock square-bore Performer Series or Thunder Series AVS carburetors. This small-block Chevy manifold has a runner design thats intunedin for peak torque at 3500 rpm on a 350-inch engine and its ideal for power from off-idle to 5500 rpm. Dyno tests showed gains of 5 hp and 9 ft-lbs. of torque over the Edelbrock Performer manifold No.2101 on a 350 Chevy. From 3000 to 4500 rpm, the increases averaged 5plus ft-lbs. of torque for more performance where you need it most. Performer EPS manifold No.2703 combines a modern runner design with a front mounted oil fill tube for those who want the vintage look of our Classic valve covers with no breathers. No.2703 has the same performance features as the Performer EPS No.2701. Includes Oil Fill Tube (not installed) and matching push-in breather cap. The Oil Fill Tube and Breather are also available separately as No.4803. Match with a dependable Edelbrock square-bore carburetor for maximum performance gains. Also available with choice of four finishes. Will not fit under stock Corvette hood. Available with satin, polished, black or EnduraShineG?? finish