Kowalsky Racing Engines "PRODUCTS and SERVICES" We do 98% of our award winning work in house! We have several CNC machining devices! We have a Superflow Dyno and a Superflow flow bench! We build custom headers and custom sheet metal intakes! Companies that we deal direct with: Holley Moroso Competition Engineering Cran Cams Comp Cams Cam Motion Erson Cams Profiler Performance CP Pistons Wiseco Pistons JE Pistons Molnar Technologies Carillo Manley VP Racing Fuel