UMP Modified Parts

If you're running a dirt Modified and need to stay competitive on the track, aerodynamic efficiency directly impacts your car's handling and speed through turns. Fivestar's Modified Aero Valance gives you a purpose-built solution that meets racing...

Fivestar's Modified Aero Valance gives your dirt Modified the aerodynamic edge you need to stay competitive on the track. Built from lightweight, ultra-durable molded plastic with precision-engineered overlapping flanges, this 3-piece kit delivers...

Fivestar's Modified Aero Valance gives your dirt Modified the aerodynamic edge and visual presence needed to compete at the highest levels. The lightweight plastic construction reduces unsprung mass while the overlapping flange design ensures a gap-free...

If you're running a dirt Modified, aerodynamic efficiency directly impacts your competitive edge on the track. Fivestar's 3-piece Modified Aero Valance delivers the downforce and airflow management your car needs while meeting all major racing sanction...

If you're running a competition vehicle or high-speed open-cockpit setup, wind buffeting and debris become real performance and safety concerns. The Fivestar Cockpit Deflector Extension Kit adds critical height to your existing deflector system, creating...

If you're running a Five Star cockpit deflector, this extension kit is essential for maximizing driver protection without compromising visibility. The additional 3-inch height deflects wind, debris, and track hazards more effectively while maintaining...

The Fivestar Cockpit Deflector is engineered to direct airflow away from the driver's cockpit, reducing heat buildup and improving visibility during high-speed competition. This bolt-on accessory is essential for open-wheel and sprint car racing, where...

The Fivestar Cockpit Deflector is engineered to manage airflow and debris around your cockpit area, protecting drivers and critical components during high-speed competition. Built with durable plastic construction, this bolt-on deflector maintains...

The Fivestar Cockpit Deflector is essential for sprint car and dirt modified racers who need reliable cockpit protection and improved aerodynamics. This bolt-on deflector reduces unwanted air turbulence around the driver area while meeting tech...

Rock strikes and debris are an inevitable hazard in dirt late model racing—and without proper protection, they can damage your cockpit and compromise driver safety. The Rock Guard Formed 3in Tall White deflects incoming rocks and dirt away from the...

Proper brake bias adjustment is critical for optimal weight transfer and consistent lap times, especially during competitive racing. This replacement cable ensures your brake bias adjuster functions smoothly without binding or slack, maintaining the...

Proper brake bleeding is non-negotiable for safety-critical hydraulic systems, and quality bleeder screws are essential to the job. These Allstar Performance bleeder screws provide reliable access points for removing air from brake lines without...

Upgrade your Mustang II or Pinto front brake setup with confidence using the Allstar Performance RH Caliper Bracket. Engineered for a precise, reliable fit, this passenger-side bracket pairs perfectly with GM Metric calipers to give you the stopping...

Upgrade your Mustang II or Pinto front suspension with confidence using the Allstar Performance LH Caliper Bracket (ALL42110) — a precision-engineered solution that makes fitting a GM Metric caliper to your classic spindle a clean, no-hassle job. Built...

Take precise control of your braking performance with the Allstar Performance Brake Bias Adjuster Crank Type Short (ALL42070) — designed to let you fine-tune brake balance on the fly without ever taking your focus off the track. Built tough for the...

When race day arrives, the last thing you want is your engine gasping for air. The Allstar Performance 14" Air Cleaner Kit (ALL26094) is dyno- and track-tested to deliver superior airflow over standard flat assemblies, giving your engine the breathing...

Keep your late model race car tight and track-ready with the Allstar Performance LM Aluminum Body Brace Kit (ALL23107). Engineered for serious competitors, this lightweight aluminum kit adds critical structural support to your doors and quarter panels...

Keep your race car's body bracing system locked in tight with the Allstar Performance Body Brace Ends (ALL23082) — a simple but essential component that ensures your flexible body brace stays secure lap after lap. Built tough with a zinc-plated steel...

Keep your dirt car running at peak performance with the Allstar Performance Access Panel Kit (ALL18533) — a game-changer for quick, hassle-free under-panel maintenance. No more tearing apart your setup just to reach your fuel cell or dry sump pump tank...

When every fraction of a second counts, you need braking hardware that can keep up with your ambitions. The AFCO 11.75" x 0.810" Straight Vane Brake Rotor (9850-6021) delivers race-proven stopping power with a precision-engineered straight vane design...