The team at Jon Kaase Racing Engines showcases its legendary Boss 429 platform with a naturally aspirated 600 cid variation featuring an SVO block, in-house Boss Nine cylinder heads, a 4.500" stroke rotating assembly and dual-quad Holley EFI. Shop Foreman Chris Thomas details the machining, components and valvetrain that help this combination make more than 900 hp. It's our newest Engine of the Week brought to you by PennGrade 1 High Performance Oil and Elring - Das Original. https://www.engineb