Weiand 6-71 Jet Performance Products Kit includes 5/16"-28 bolts

Kit includes 5/16"-28 bolts

HD version features larger o-rings

Screw-In Terminals

GritGrate can be used with wash mitts

Weiand 6-71 Jet Performance Products Kit includes 5/16"-28 boltsWeiand 6 71 8 71 Supercharger to Manifold Gasket Product Description: Supercharger Gasket Base Composite 6 71 8 71 Supercharger Sold Individually The Weiand Company was founded by Phil Weiand as a performance parts warehouse in the 1930s and sold a variety of speed parts. The first Weiand product, the "High Weiand" manifold was manufactured and marketed in 1937. It was the first aluminum intake on the market. In 1949 Weiand introduced a series of "tri