Used Weiand Backfire Valve Kit Small

This kit is designed to give blower manifolds where space is a premium a place to let excessive manifold pressure out instead of causing expensive supercharger or blower manifold damage.

Kit includes a cast alum. backfire plate, gasket, two springs, washers and bolts to mount the kit to your blower manifold. Requires drilling to the customers blower manifold and possibly minor fly cutting to make the plate sit flat.

This kit will work on any aftermarket blower manifolds. Plate is 1.375" between bolt centers and 2.790" overall length buy 1.80" wide. Springs are 1.150" diameter by 2.050" long.