Dirt Track Parts & Performance
Nine Two Customs is your source for dirt track racing parts, shock service, tire siping and grooving, chassis setup and race car performance support. Based in Hamburg, Minnesota, we support racers across the Midwest.
More than shocks. Built for racers.
From sourcing parts to preparing tires and dialing in your setup, NTC is here to help you get ready for race night.
Racing Parts & Components
Parts sourcing through Keyser Manufacturing, including chassis, suspension and other racing components.
Explore Parts →Shock Service & Performance
Building, rebuilding, revalving and testing Penske, Integra and Afco racing shocks.
Explore Shock Service →Tire Siping & Grooving
Race tire preparation for your application and track conditions.
Explore Tire Services →Chassis Setup & Support
Suspension and chassis setup assistance to help you get the most out of your race car.
Explore Setup Support →Specialized shock service, backed by experience.
Shock service remains a key part of what we do. Explore our Penske, Integra and Afco offerings.
Complete Shock Service & Setup
NTC works with racers on the complete shock package—from inspection and rebuilding to revalving, new shock selection and setup support. Professional testing equipment, including our Penske S-Link dyno, helps us verify performance as part of the process.
Service that keeps you competitive.
From routine maintenance to setup changes, NTC can help keep your shocks consistent and performing the way your race program demands.
- Inspection & RebuildRoutine service
- RevalvingPerformance changes
- Performance TestingMeasured shock verification
- Setup GuidanceApplication support
Service you can see. Performance you can trust.
Race gear available online.
Shop NTC and Mackenthun Racing clothing through our Square store.