Edelbrock Performer EPS Vortec Intake Manifold - Cast Finish Fan Switch Hard-tempered spring steel blades are

Hard-tempered spring steel blades are designed for use with the ALL10260

Reduces Shift Throw by 37%

Precision machined from chromemoly steel then black oxided

and 429 460 Big Block Fords

Hinged collar and headrest design with a hydraulic shock absorber

Edelbrock Performer EPS Vortec Intake Manifold - Cast Finish Fan Switch Hard-tempered spring steel blades areNow available for small block Chevys with Vortec or Edelbrock E Tec cylinder heads, the Performer EPS dual plane manifolds is optimized to deliver superior performance with Edelbrock square bore Performer Series or Thunder Series AVS carburetors. The runner design is "tuned" for peak torque around 3500 rpm on a 350 inch engine and its ideal for power from off idle to 5500 rpm. Dyno tests showed gains averaging 5+ ft lbs. of torque from 3000 to 4500