Hilborn Injection Repair

Smithberg Racing has done many Hilborn Injection restorations, modifications, and repairs over the years. Starting in 2022 this shop will have the capabilities to manufacture new shafts, throttle blades, velocity stacks, and even machine from raw castings the same way Hilborn used to make them and all in house to boot! Smithberg Racing also has a large stock of obsolete NOS castings available to build to suit carrying on with the old Hilborn traditions! If you are looking for replacement parts, repair, modifications, or a quality restoration just contact to discuss your needs. – Contact Click Here