ZZ5 350 Turn-Key

The ultimate ïZZÍ crate engine package Chevrolet PerformanceÍs all-new ZZ5 350 uses new-casting Fast Burn cylinder heads equipped with LS-style beehive valve springs for greater high-rpm performance. ItÍs rated at 400 horsepower _ more than any Small-Block engine ever offered in a production Chevrolet muscle car or Corvette! The new, lightweight aluminum cylinder head casting is based onthe proven Fast Burn design, with large intake runners and 2.00/1.55-inch valves. New beehive-style valve springs enable greater high-rpm performance and durability. They allow the ZZ5 to rev higher to make the most of every cubic inch of air drawn through it.