For engines with monster cubic inches or compression ratios, these 100% NEW starters challenge the specifications, durability, and reliability of anything on the market. Built from scratch with all-new components, the torque rating is a healthy 4.41:1 gear reduction, capable of cranking engines up to a whopping 18:1 compression. Comes in the NEW Race Box Packaging! Fits Chevy small and big block engines. Fits Chevy Small Block and Big Block V8 Engines, as well as most V6 Engines.