UMP Modified Parts

A flat-bottom air cleaner assembly delivers superior airflow and a classic race-car aesthetic while maintaining reliable filtration for high-performance carbureted engines. The Walker washable filter element eliminates recurring filter costs and allows...

Reusable air filters deliver superior airflow and filtration consistency compared to disposable alternatives, translating directly to improved engine responsiveness and fuel efficiency. This complete maintenance kit eliminates guesswork by bundling...

Dirt modified racing demands body panels that can withstand aggressive track conditions without sacrificing performance. The Fivestar MD3 Plastic Door and Quarter Panel Kit delivers the durability of traditional aluminum at equivalent weight, eliminating...

A reliable fuel cell is non-negotiable for dirt late model and modified racing—your performance depends on consistent fuel delivery under extreme conditions. The JAZ Man O' War Series delivers that dependability with a seamless cross-linked polyethylene...

A high-performance cooling system isn't optional—it's mandatory if you're pushing your engine to its limits. This Double Pass Radiator Kit delivers the thermal management you need to maintain consistent power output during sustained track sessions,...

MD3 front end configurations demand proper airflow management to maximize cooling efficiency and protect critical engine bay components from debris. The Fivestar Cockpit Deflector channels air precisely where it's needed while safeguarding your radiator...

The Fivestar Modified Aero Valance MD3 delivers the aerodynamic efficiency and aggressive front-end styling that separates competitive machines from the rest. This three-piece kit bolts directly onto your MD3 setup, providing improved downforce and...

Keep your fluids topped off without the hassle of popping the hood mid-race — the Allstar Performance Remote Fill Tank ALL36110 gives you convenient, accessible fluid management right where you need it. Designed with a sleek flush mount profile, this...

A battery master disconnect switch is essential for any serious racing setup or performance vehicle—it cuts power instantly in an emergency, prevents parasitic drain during storage, and isolates your electrical system for safe maintenance. The QuickCar...

A properly engineered air cleaner assembly is essential for maximizing engine efficiency and protecting your carburetor from contamination during high-performance operation. This complete flat-design kit delivers consistent, clean airflow while...

Keep your dirt car running at peak performance without the hassle of tearing apart your setup every time you need access to critical components. The Allstar Performance Access Panel Kit (ALL18531) gives you quick, clean entry to fuel cells, dry sump pump...

If you're running a dirt Modified, front-end aerodynamics directly impact your competitive edge on the track. Fivestar's modified aero valance delivers the adjustability and precision fit you need without the downtime—bolt it on and focus on setup. Built...

Proper rear-end fluid management is critical for maintaining consistent lubrication and cooling during sustained racing. This reservoir filler tank integrates seamlessly into IMCA and USTMS-compliant setups, giving you reliable fluid circulation without...

Maintaining consistent rear-end fluid levels under racing conditions is critical for performance and longevity—this deck-mounted fill tank kit eliminates guesswork and pit-stop delays. The 10 AN push-lock fittings and pre-assembled Aeroquip hose mean...

A secure fuel cell cap isn't just a convenience—it's a critical safety component that prevents fuel spillage, contamination, and vapor loss during high-performance driving. The Allstar Performance 12-Bolt Fuel Cell Cap delivers reliable sealing on JAZ...

Whether you're securing lightweight aluminum panels on a race car, fabricating custom brackets, or assembling sheet metal components, having a reliable fastening solution is non-negotiable. These 3/16" pop rivets deliver consistent, permanent joints...

Wheel hub dust caps are essential protection against contamination that can compromise bearing performance and longevity. The Wehrs GN Hub Dust Cap seals out moisture, dirt, and debris that accumulate during transport, storage, and racing...

Unfiltered air is the enemy of engine longevity and performance. This 14-inch Outerwears air filter wrap uses puncture-resistant polyester mesh to trap sand, dirt, and fine particles before they reach your engine's primary filter—extending filter life...

A quality carb hat keeps fuel and contaminants out of your carburetor while maintaining a clean, sealed fuel system—critical for consistent jetting and reliable performance on the track or street. This aluminum design offers a lightweight alternative to...

A roll-over flapper valve is critical safety equipment for any serious racing fuel cell setup—it prevents fuel sloshing and spillage during aggressive cornering, acceleration, and deceleration while maintaining proper fuel delivery under extreme...