Build your dream engine The next level of performance is these aluminum Chevy Big blocks. Block is ready for the street racer or all out racer with added strength and cubic inches. All the factory flaws redesigned to eliminate all problems, still using the original water jacket design. Blocks are cast from highest quality aluminum with extra-thick cylinder sleeves and decks. The blocks webs are stronger and fitted with billet steel 4-bolt billet main caps.
