Mazworx Racing Engines

Our racing experience has shown that the stock cast aluminum block usually only last up to 1300hp. It then splits horizontally under the head studs. We have also seen the main caps get loose. To resolve this, we designed this billet block. This block is completely made in house at Mazworx. It features the following: - Made from 6061-T6 Aluminum - Uses 9/16"-1/2" Head Studs and 1/2" Main Studs.  - Tunnel will clear a 91mm stroke with aluminum rods - Connection between the head stud and...

Features: - 91mm Stroke - Billet 4340 Chrome-moly - Shot Peened, Heat Treated, and Nitrated - Tear Drop Main Oiling Holes - Recommended for Turbo applications