Dating back to the days when the legendary Zora Arkus-Duntov tuned the original 265-cubic-inch V-8 into a true powerhouse, we bring nearly six decades of engineering experience to the table with a range of proven parts unmatched in the aftermarket. Chevrolet Performance’s Small-Block components are designed, tested and validated to the same precise standards as production engines, so you’re assured the parts for your engine will perform as promised and fit without compromises.